Mixtures of dry adhesive size of the aggregate. Cement sandy mixture of CPS
Federal Agency for Technical Regulation and Metrology
National LE page 56387
Standard -2015
RUSSIAN FEDERATION
Technical conditions
ADHESIVES FOR TILES - Requirements, Evaluation of Conformity, Classification and Designation
EN 1308: 2007 ADHESIVES FOR TILES - DETERMINATION OF SLIP (NEQ)
EN 1346: 2007 ADHESIVES FOR TILES - DETERMINATION OF SLIP (NEQ)
ADHESIVES FOR TILES - DETERMINATION OF WETTING CAPABILITY (NEQ)
ADHESIVES FOR TILES - DETERMINATION OF TENSILE ADHESION STRENGTH FOR CEMENTIOUS ADHESIVES
ADHESIVES FOR TILES - DETERMINATION OF TRANSVERSE DEFORMATION FOR CEMENTIOUS ADHESIVES AND
Official edition
Stodartinform
Preface
1 Developed by a "non-profit partnership" Union of manufacturers of dry construction mixtures "(NP" SSSSS ") with the participation of the federal state budgetary educational institution of higher vocational education Moscow State Construction University (MGSU), Federal State Budgetary Educational Studies of Higher Professional Education "St. Petersburg State Architectural and Construction University" (SPBGAS).
2 is submitted by the Technical Committee on Standardization TC 465 "Construction".
the number and name of the Technical Committee on Standardization (TC), and if necessary, the number and name of its subcommittee (PC), in the absence of TC, the name of the federal executive body or other customer development of the standard
3 APPROVED AND INTRODUCED BY Order of the Federal Agency for Technical Regulation and Metrology of April 9, 2015 No. 247-space from November 1, 2015
brief name of the national standardization authority, date of adoption and number of the organizational and administrative document
4 In this standard, the main regulations of the following European regional standards are taken into account:
EN 12004: 2007 "Adhesives for ceramic tiles. Requirements, conformity assessment, classification and designation "(EN 12004: 2007" ADHESIVES FOR TILES - Requirements, Evaluation of Conformity, Classification and Designation ", NEQ);
EH 1308: 2007 "Adhesives for facing tiles. Determination of sliding resistance "(EN 1308: 2007" ADHESIVES FOR TILES - DETERMINATION OF SLIP ", NEQ);
EH 1346: 2007 "Adhesives for ceramic tiles. Determining the optimal exposure time on the surface before gluing "(EN 1346: 2007" ADHESIVES FOR TILES - DETERMINATION OF SLIP ", NEQ);
EH 1347: 2007 "Adhesives for ceramic tiles. Definition of wetting ability "(EN 1347: 2007" ADHESIVES FOR TILES-DETERMINATION OF WETTING CAPABILITY ", NEQ);
EH 1348: 2007 "Adhesives for facing tiles. Determination of tensile tensile strength for cementing adhesives "(EN 1348: 2007" ADHESIVES FOR TILES - DETERMINATION OF TENSILE ADHESION STRENGTH FOR CEMENTIOUS ADHESIVES ", NEQ);
EH 12002: 2008 "Adhesives for ceramic tiles. Determination of transverse deformation of cementing adhesives and concentrated suspensions "(EN 12002: 2008" ADHESIVES FOR TILES-DETERMINATION OF TRANSVERSE FOR CEMENTIOUS ADHESIVES AND GROTS ", NEQ)
name of the Law (Regulation)
5 introduced for the first time
The rules for applying this standard are established in GOST P1.0-2012 (Section 8). Information on changes to this standard is published on the annual (as of January 1 of the current year) of the information indicator * National Standards, and the official text of the amendments and amendments - in the National Standards Monthly Information Index. In case of revision (replacement) or the cancellation of this Standard, the appropriate notification will be overjugated in the nearest you-layout of the monthly information pointer "National Standards". Relevant information, notification and texts are also posted in the public information system - on the official website of the Federal Agency for Technical Regulation and Metrology on Standardization on the Internet (GOST.RU)
© Standinform, 2015
This standard cannot be fully or partially reproduced, is replicated and distributed as an official publication without the permission of the federal
GOST P 56387-2015
The strength of the adhesive compound with the base of classes of classes T, E, S1 and S2 should be not less shown in Table 1 for the mixtures of C1 and C2 classes.
4.6.3 Open time To achieve the strength of the adhesive compound of at least 0.5 MPa should be for adhesives of the class:
CO and F - when gluing tiles after 10 minutes;
C1 and C2 - when gluing tiles after 20 minutes;
E - when gluing tiles after 30 minutes.
4.6.4 The transverse deformation of the class S1 adhesives should be at least 25 mm, the class S2 is at least 5 mm.
4.7 Requirements for materials used for the manufacture of dry adhesive mixtures
Materials used to prepare dry adhesive mixtures must comply with the requirements of GOST 31357 and regulatory or technical documents for these materials.
48 Packaging and Marking
4.8.1 Adhesive mixtures are packaged in packages from polyethylene film, Multilayer paper bags from kraft paper or with polyethylene liner (packaging unit). The weight of the dry mixture in packages should not exceed 8 kg, in bags -50 kg. Permissible deviation of the mass of dry mixture in one packing unit - according to GOST 8.579.
Adhesive mixes are allowed to be packaged in Big Bags.
Packaging should protect the dry adhesive mixture from moisture. Violation of the integrity of the packaging is not allowed.
4.8.2 Marking should be applied to each packing unit. Marking must be a clear, not allowing any other interpretation in terms of the properties of the adhesive mixture. The labeling is applied with indelible paint directly on the packaging unit or a label glued on the packaging.
4.8.3 For each packaging unit, a manipulative sign "Take care of moisture" according to GOST 14192 should be applied.
4.8.4 Marking must contain:
Name and / or trademark and manufacturer's address;
Production date (month, year);
Conditional designation of the adhesive mixture of 4.3;
GOST P 56387-2015
technical Regulation Agencies and Metrology Standard Designation (Standards Designation)
GOST P 56387-2015
1 area of \u200b\u200buse............................................... ................................
3 Terms and definitions .............................................. ............................
4 Technical requirements ............................................... ..........................
5 Safety and Security Requirements ambient..............................
6 Rules of acceptance ............................................... .....................................
7 Test Methods ........................................................... ...................................
8 Transportation and storage .............................................. ..................
Appendix A (Mandatory) Method for determining the slope for sliding ........................................ ............................................
Appendix B (Mandatory) Method for determining the ability
to wetting .................................................. ......................
Appendix B (mandatory) Method for determining the strength of adhesive
connections (adhesion) and open time .............................
Appendix M (compulsory) Method for determining the transverse deformation of ormar ....
GOST P 56387-2015
Introduction
The object of standardization of this standard is dry construction adhesive mixtures on a cement binder.
Adhesive mixtures are widely represented on the construction market of dry mixtures. Russian FederationEach participant of which offers glue range from three to eight names. This standard is developed taking into account the requirements of European regional standards for adhesive mixtures and is unified with them in terms of classification, acceptance rules and test methods.
This standard was developed in order to regulate the manufacturers of dry mixtures of the Russian Federation with technical requirements and methods for testing their products, allowing to obtain similar results with EU countries for comparable assessment of the construction and technical properties of adhesives during scientific and technical and economic cooperation.
GOST P 56387-2015
National Standard of the Russian Federation
Mixtures dry construction adhesives on cement binder
Technical conditions
Dry-Mix Cement Based Adhesives for Tiles. Specifications.
Date of administration ~ 20t5 ^ TT-01
1 area of \u200b\u200buse
This standard applies to dry construction adhesive mixtures (hereinafter - glue mixtures) made on cement binder or mixed (complex) mineral binders based on a portland cement clinker and / or high-coaluminate cement containing polymer additives and tights used by cladding or tiles of walls and Outdoor coatings inside and outside buildings.
This Standard establishes specifications for mixtures, acceptance rules, methods for determining the characteristics, requirements for transportation and storage of mixtures.
This standard uses regulatory references to the following standards:
GOST 4.233-86 System of product quality indicators. Building. Construction solutions. Nomenclature of indicators
GOST 8.579-2002 State system for ensuring unity of measurements. Requirements for the number of packaged goods in the packages of any kind in their production, PRAC ASEM, selling and importing
GOST 166-89 (ISO3599-76) caliper. Technical conditions
GOST 310.4-81 cements. Methods for determining the strength of bending and compression
GOST 427-75 Metal measuring rules. Technical conditions
GOST5802-86 Construction solutions. Test methods
GOST 8735-88 Sand for construction work. Test methods
GOST 14192-96 cargo marking
GOST 30108-94 Building materials and products. Definition of specific effective activity of natural radionuclides
Official edition
GOST R 56387-2015
GOST 31189-2015 Dry construction mixtures. Classification
GOST 31356-2007 Dry construction mixtures on cement binder. Test methods
GOST 31357-2007 Mixtures dry construction on cement binder. General technical conditions
Note - When using this standard, it is advisable to verify the action of reference-1-level standards in the public information system - on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet or on the annual information indicator "National Standards", which is published as of January 1 of the current years, and on issues of the monthly information pointer "National Standards" for the current year. If the reference standard is replaced, to which the undated link is given, it is recommended to use the current version of this standard, taking into account all changes made to this version. If the reference standard is replaced by a dated reference, it is recommended to use the version of this standard with the above-mentioned approval (adoption). If, after approval of this standard in the reference standard, to which the dated reference is given, the change has been made affecting the provider to which the link is given, this provision is recommended to be applied without taking into account this change. If the reference standard is canceled without a zegon, then the position. In which the link is given to it, it is recommended to apply in a portion that does not affect this link.
3 Terms and Definitions
This standard applies terms according to GOST 31189, GOST 31357, as well as the following terms with the corresponding definitions:
3.1 The toothed spatula: a toothed tool that allows you to create a layer of a mortar mixture on the form of a furrow of the same thickness.
3.2 Exposure time after preparation: time after kneading the mortar mixture required to achieve readiness for laying.
3.3 Open time: The maximum period of time after applying to the base of the layer of a solution mixture of a given clutch strength with a base during which the facing tile is allowed to be laid on the applied mortar mixture.
3.4 Cute ability: the ability of a layer of a mortar mixture treated with a toothed spatula, wet the facing tile.
3.5 Sliding: Displacement under the influence of gravity of tiles or plates laid on a layer-treated with a layer of a mortar mixture applied to a vertical or inclined surface.
3.6 Viability: The maximum period of time during which the freshly prepared solution mixture (after additional stirring without adding water) retains its technological properties.
GOST P 56387-2015
3.7 The strength of the adhesive compound (adhesion): the destructive voltage at which the separation of the facing tiles from the base occurs.
4 Technical requirements
4.1 Adhesive mixtures must comply with the requirements of this standard and manufactured by technological documentation approved by the manufacturer.
4.2 The properties of adhesive mixtures are characterized by the quality indicators of mixtures in a dry state, freshly prepared mixtures ready for use (further - mortar mixtures), and hardened solutions.
4.2.1 The main indicators of the quality of adhesive mixtures in a dry state are:
Humidity;
The greatest size of aggregate grains;
4.2.2 The main indicators of the quality of mortar mixtures are:
Water-holding ability;
Sliding resistance;
Average density.
4.2.3 The main indicators of the quality of hardened solutions are:
The strength of the adhesive compound (adhesion) after withstanding in the aircraft
Adhesive strength (adhesion) after keeping in aquatic environment;
The strength of the adhesive compound (adhesion) after withstanding at high temperatures;
The strength of the adhesive compound (adhesion) after cyclic freezing and thawing;
Open time.
4.2.4 Additional declared quality indicators can be installed for glue mixtures: wetting ability, transverse deformation, increased open time and others in accordance with GOST 4.233 or contract terms.
4.2 Adhesive mixtures are divided into the following classes:
GOST R 56387-2015
CO - used for laying tiles with normal water absorption (at least 5% by weight) only for execution internal work;
C1 - used to perform internal and exterior work and relevant minimum normalized requirements;
C2 - used to fulfill internal and external work and corresponding to increased requirements;
F - fast-hardening glue mixtures;
T - mixtures with increased sliding resistance;
E - mixtures with increased open time;
S1- Elastic glue mixtures;
S2 - high elastic mixtures.
4.3 The symbol of adhesive mixtures should consist of the name of the mixture in accordance with GOST 31189, the designation of the class in accordance with 4.2, the values \u200b\u200bof the main quality indicators (if necessary) and the notation of this standard.
An example of the conventional adhesive mixture on a cement binder intended for the fulfillment of internal and external work, which meets increased requirements, with elevated sliding resistance, increased open time and high elasticity.
Blend dry construction glue C2 those S2, GOST R 56387-2015
Additional information that ensures the full identification of the adhesive mixture is allowed to be submitted.
44 Requirements for adhesive mixtures in a dry state
4.4.1 The humidity of adhesive mixtures should not exceed 030% of the mass.
4.4.2 The greatest size of the grains of the adhesive mixture should not exceed 0.63 mm.
4.4.3 Specific effective activity of natural radionuclides of adhesive mixtures should not exceed the limit values \u200b\u200bset by GOST 30108.
GOST P 56387-2015
45 Requirements for adhesive mortar mixtures
4.5.1 The water-holding ability of adhesive mortar mixtures, ready for use, should be at least 98%.
4.5.2 Resistance to glue mixtures is characterized by the value of the displacement under the action of the force of heavy and facing tiles laid on a vertical or inclined surface
For glue mixtures of class T, the bias value should be no more than 0.5 mm, for mixtures of other classes - not more than 0.7 mm.
4.5.3 The ability to wetting adhesive mixtures is characterized by time during which the mortar mixture wets the facing tile. The ability to wetting adhesive mixtures should be at least 20 minutes, for adhesive mixtures of class F - at least 10 minutes, adhesive mixtures of class E - at least 30 minutes.
4.5.4 The average density of adhesive mortar mixtures sets the manufacturer at the request of the consumer.
4 £ Requirements for hardened slim mixtures
4.6.1 The strength of the adhesive compound, depending on the conditions of use of adhesive mixtures, must correspond to the one in Table 1.
Table! - Requirements for adhesive mixtures of various classes
4.6.2 The strength of the adhesive compound with the base of the rapid fading adhesives of class F after withstanding in the air-dry medium for 6 hours should be at least 0.5 MPa.
For installation of thermal insulation plates and devices of the base reinforced plaster layer in the systems of the facade insulation (SFC). For thermal insulation plates from mineral Wat and expanded polystyrene. For interior and exterior use. For manual application. Under reduced temperatures, use the plaster-adhesive mixture of the "warmlock" winter.
- For insulation systems
- For gluing and reinforcement
- For mineral wool and polystyrene foam
Preparation of mortar mixes
The material is prepared in a separate container using the power tool. Use all the contents of the bag. In the container with a predetermined amount of clean water, fall asleep dry mixture and mix for 2-3 minutes at a speed of rotation of the nozzle 400-800 rpm to the receipt of a homogeneous consistency without lumps. After 5 minutes, re-stirring for 1 minute. Prepared mortar mixture for 1.5 hours. A high level of relative humidity, elevated or reduced ambient temperatures can affect the lifetime of the mortar mixture.
GOST R 56387-2015
National Standard of the Russian Federation
Mixtures dry construction adhesives on cement binder
Technical conditions
Dry-Mix Cement Based Adhesives for Tiles. Specifications.
OX 91.100.15
OKP 57 4550.
Date of introduction 2015-11-01
Preface
1 Developed by a "non-profit partnership" Union of manufacturers of dry construction mixtures "(NP" SSSSS ") with the participation of the Federal State Budgetary Educational Institution of Higher Professional Education" Moscow State Construction University "(MGSU), the Federal State Budgetary Educational Institution of Higher Professional Education" St. Petersburg " State Architectural University "(SPBGASU)
2 Submitted by the Technical Committee on Standardization TC 465 "Construction"
3 approved and commissioned by order of the Federal Agency for Technical Regulation and Metrology of April 9, 2015 N 247-st
4 In this standard, the main regulations of the following European regional standards are taken into account:
EH 12004: 2007 * "Adhesives for ceramic tiles. Requirements, conformity assessment, classification and designation" (EN 12004: 2007 "ADHESIVES FOR TILES - Requirements, Evaluation of Conformity, Classification and Designation", NEQ);
________________
* Access to international and foreign documents mentioned in the text can be obtained by contacting user support. - Note database manufacturer.
EH 1308: 2007 "Adhesives for facing tiles. Determination of sliding resistance" (EN 1308: 2007 "ADHESIVES FOR TILES - DETERMINATION OF SLIP", NEQ);
EH 1346: 2007 "Adhesives for ceramic tiles. Determination of the optimal exposure time on the surface before gluing" (EN 1346: 2007 "ADHESIVES FOR TILES - DETERMINATION OF OPEN TIME", NEQ);
EH 1347: 2007 "Adhesives for ceramic tiles. Determination of wetting ability" (EN 1347: 2007 "ADHESIVES FOR TILES - DETERMINATION OF WETTING CAPABILITY", NEQ);
EH 1348: 2007 "Clamps for facing tiles. Determination of tensile tensile strength for cementing adhesives" (EN 1348: 2007 "ADHESIVES FOR TILES - DETERMINATION OF TENSILE ADHESION STRENGTH FOR CEMENTIOUS ADHESIVES", NEQ);
EH 12002: 2008 "Adhesives for ceramic tiles. Determination of transverse deformation of cementing adhesives and concentrated suspensions" (EN 12002: 2008 "ADHESIVES FOR TILES - DETERMINATION OF TRANSVERSE DEFORMATION FOR CEMENTIOUS ADHESIVES AND GROUTS", NEQ)
5 introduced for the first time
The rules for applying this standard are established inGOST R 1.0-2012 (Section 8). Information on the changes to this standard is published in the annual (as of January 1 of the current year) the information indicator "National Standards", and the official text of the amendments and amendments - in the monthly information indicator "National Standards". In case of revision (replacement) or the cancellation of this standard, the appropriate notification will be published in the nearest issue of the monthly information indicator "National Standards". Relevant information, notification and texts are also posted in the public information system - on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet (www.gost.ru)
Introduction
Introduction
The object of standardization of this standard is dry construction adhesive mixtures on a cement binder.
Adhesive mixtures are widely represented on the construction market of dry mixtures of the Russian Federation, each participant of which offers the range of adhesives from three to eight names. This standard is developed taking into account the requirements of European regional standards for adhesive mixtures and is unified with them in terms of classification, acceptance rules and test methods.
This standard was developed in order to regulate the manufacturers of dry mixtures of the Russian Federation with technical requirements and methods for testing their products, allowing to obtain similar results with EU countries for comparable assessment of the construction and technical properties of adhesives during scientific and technical and economic cooperation.
1 area of \u200b\u200buse
This standard applies to dry construction glue mixtures (hereinafter - glue mixtures) made on cement binder or mixed (complex) mineral binders based on a portland cement clinker and / or highly impressive cement containing polymeric additives and tights used by cladding with plates or tiles of walls and floor coverings Inside and outside buildings.
This Standard establishes specifications for mixtures, acceptance rules, methods for determining the characteristics, requirements for transportation and storage of mixtures.
2 Regulatory references
This standard uses regulatory references to the following standards:
GOST 4.233-86 System of product quality indicators. Building. Construction solutions. Nomenclature of indicators
GOST 8.579-2002 State system for ensuring unity of measurements. Requirements for the number of packaged goods in packages of any kind in their production, packaging, sale and import
GOST 166-89 (ISO 3599-76) caliper. Technical conditions
GOST 310.4-81 cements. Methods for determining the strength of bending and compression
GOST 427-75 Metal measuring rules. Technical conditions
GOST 5802-86 Construction solutions. Test methods
GOST 8735-88 Sand for construction work. Test methods
GOST 14192-96 cargo marking
GOST 30108-94 Building materials and products. Definition of specific effective activity of natural radionuclides
GOST 31189-2015 Dry construction mixtures. Classification
GOST 31356-2007 Dry construction mixtures on cement binder. Test methods
GOST 31357-2007 Mixtures dry construction on cement binder. General technical conditions
Note - When using this standard, it is advisable to check the action of reference standards in the public information system - on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet or on the National Standards Annual Information Signal, which is published as of January 1 of the current year, and on issues of the monthly information pointer "National Standards" for the current year. If the reference standard is replaced, to which the undated link is given, it is recommended to use the current version of this standard, taking into account all changes made to this version. If the reference standard is replaced by a dated reference, it is recommended to use the version of this standard with the above-mentioned approval (adoption). If, after approval of this standard in the reference standard, to which the dated reference is given, the change has been made affecting the provider to which the link is given, this provision is recommended to be applied without taking into account this change. If the reference standard is canceled without replacement, the position in which the reference is given to it is recommended to be applied in a portion that does not affect this link.
3 Terms and Definitions
This standard applies terms according to GOST 31189, GOST 31357, as well as the following terms with the corresponding definitions:
3.1 togglewood: A toothed tool that allows you to create a layer of a mortar mixture in the form of a furrow of the same thickness.
3.2 exposure time after cooking: The time period after kneading the mortar mixture required to achieve readiness for laying.
3.3 open time: The maximum period of time after applying to the base layer of a solution mixture of a given clutch strength with a base during which the facing tile is allowed to be laid on the applied mortar mixture.
3.4 wetting ability: The ability of a layer of a mortar mixture treated with a toothed spatula, wet the facing tile.
3.5 slipping: The displacement under the influence of the gravity of tiles or plates, laid on a layer-treated with a cootter, applied to a vertical or inclined surface.
3.6 viability: The maximum period of time during which the freshly prepared solution mixture (after additional stirring without adding water) retains its technological properties.
3.7 adhesive strength (adhesion): The destructive voltage at which the separation of the facing tiles from the base occurs.
4 Technical requirements
4.1 Adhesive mixtures must comply with the requirements of this standard and manufactured by technological documentation approved by the manufacturer.
4.2 The properties of adhesive mixtures are characterized by the quality indicators of mixtures in a dry state, freshly prepared mixtures ready for use (further - mortar mixtures), and hardened solutions.
4.2.1 The main indicators of the quality of adhesive mixtures in a dry state are:
- humidity;
- the greatest size of aggregate grains;
- The content of grains of the greatest size.
4.2.2 The main indicators of the quality of mortar mixtures are:
- water-holding ability;
- sliding resistance;
- average density.
4.2.3 The main indicators of the quality of hardened solutions are:
- the strength of the adhesive compound (adhesion) after withstanding in the air-dry medium;
- the strength of the adhesive compound (adhesion) after withstanding in the aquatic environment;
- the strength of the adhesive compound (adhesion) after withstanding at high temperatures;
- the strength of the adhesive compound (adhesion) after cyclic freezing and thawing;
- Open time.
4.2.4 Additional declared quality indicators can be installed for glue mixtures: wetting ability, transverse deformation, increased open time and others in accordance with GOST 4.233 or contract terms.
4.2 * Adhesive mixtures are divided into the following classes:
________________
* Numbering matches the original. - Note database manufacturer.
- C0 - used for laying tiles with normal water absorption (at least 5% by weight) only for the fulfillment of internal works;
- C1 - used to perform internal and external work and corresponding to minimal normalized requirements;
- C2 - used to fulfill internal and external work and corresponding to increased requirements;
- f - fast-hardening glue mixtures;
- T - mixtures with increased sliding resistance;
- E - mixtures with increased open time;
S1 - elastic adhesive mixtures;
- S2 - high elastic glue mixtures.
4.3 The symbol of adhesive mixtures should consist of the name of the mixture in accordance with GOST 31189, the designation of the class in accordance with 4.2, the values \u200b\u200bof the main quality indicators (if necessary) and the notation of this standard.
An example of the conditional designation of the adhesive mixture on a cement binder intended for the fulfillment of internal and external work that meets increased requirements, with elevated sliding resistance, increased open time and highly elastic:
The mixture is dry construction glue C2 those S2,GOST R 56387-2015
Additional information that ensures the full identification of the adhesive mixture is allowed to be submitted.
4.4 Requirements for adhesive mixtures in a dry state
4.4.1 The humidity of adhesive mixtures should not exceed 0.30% of the mass.
4.4.2 The greatest size of the grains of the adhesive mixture should not exceed 0.63 mm.
The content in the glue mixture of grains of more than 0.63 mm should not exceed 0.50%.
4.4.3 Specific effective activity of natural radionuclides of adhesive mixtures should not exceed the limit values \u200b\u200bset by GOST 30108.
4.5 Requirements for adhesive mortar mixtures
4.5.1 The water-holding ability of adhesive mortar mixtures, ready for use, should be at least 98%.
4.5.2 Resistance to glue mixtures is characterized by the value of the displacement under the action of gravity of the facing tiles laid on a vertical or inclined surface.
For glue mixtures of class T, the bias value should be no more than 0.5 mm, for mixtures of other classes - not more than 0.7 mm.
4.5.3 The ability to wetting adhesive mixtures is characterized by time during which the mortar mixture wets the facing tile. The ability to wetting adhesive mixtures should be at least 20 minutes, for adhesive mixtures of class F - at least 10 minutes, adhesive mixtures of class E - at least 30 minutes.
4.5.4 The average density of adhesive mortar mixtures sets the manufacturer at the request of the consumer.
4.6 Requirements for hardened slim mixtures
4.6.1 The strength of the adhesive compound, depending on the conditions of use of adhesive mixtures, must correspond to the one in Table 1.
Table 1 - Requirements for adhesive mixtures of various classes
Name of the indicator | Value, MPa for class |
||
The strength of the adhesive compound after withstanding in the air-dry medium for 28 days | |||
The strength of the adhesive connection after withsturgate in the aquatic environment | |||
The strength of the adhesive connection after withstanding at high temperatures | |||
The strength of the adhesive connection after cyclic freezing and thawing | |||
4.6.2 The strength of the adhesive compound with the base of the rapid fading adhesives of class F after withstanding in the air-dry medium for 6 hours should be at least 0.5 MPa.
The strength of the adhesive compound with the base of classes of classes T, E, S1 and S2 should be not less shown in Table 1 for the mixtures of C1 and C2 classes.
4.6.3 Open time To achieve the strength of the adhesive connection after withstanding in an air-dry medium, at least 0.5 MPa when gluing the tile must be for adhesives of the class:
- C0 and F - when gluing tiles after 10 minutes;
- C1 and C2 - when gluing tiles after 20 minutes;
- E - when gluing tiles after 30 minutes.
4.6.4 The transverse deformation of Class S1 adhesives should be at least 2.5 mm, the S2 class is at least 5 mm.
4.7 Requirements for materials used for the manufacture of dry adhesive mixtures
Materials used to prepare dry adhesive mixtures must comply with the requirements of GOST 31357 and regulatory or technical documents for these materials.
4.8 Packaging and marking
4.8.1 Adhesive mixtures are packaged into packets made of polyethylene film, multilayer paper bags from kraft paper or with polyethylene liner (packing unit). The weight of the dry mixture in the packages should not exceed 8 kg, in bags - 50 kg. Permissible deviation of the mass of dry mixture in one packing unit - according to GOST 8.579.
Adhesive mixes are allowed to be packaged in Big Bags.
Packaging should protect the dry adhesive mixture from moisture. Violation of the integrity of the packaging is not allowed.
4.8.2 Marking should be applied to each packing unit. Marking must be a clear, not allowing any other interpretation in terms of the properties of the adhesive mixture. The labeling is applied with indelible paint directly on the packaging unit or a label glued on the packaging.
4.8.3 For each packaging unit, a manipulation mark "Bear from moisture" should be applied according to GOST 14192.
4.8.4 Marking must contain:
Name and / or trademark and manufacturer's address;
- production date (month, year);
- mass of the mixture in the packaging unit, kg;
- storage period, month;
- A brief instruction on the use of a glue mixture with an indication of the volume of water required to obtain a solution mixture of the required mobility, in liters per kilogram.
If necessary, the marking may contain additional data that ensures complete identification of the adhesive mixture.
4.8.5 Transport markings - according to GOST 14192.
5 Safety and Environmental Requirements
5.1 Adhesive mixtures are non-combustible, fire and explosion-proof materials.
5.2 The sanitary and radiation-hygienic safety of adhesive mixtures is established on the basis of the sanitary and epidemiological conclusion of the authorized state sanitary supervision authorities and evaluate the safety of mixtures or their components.
The safety of mineral components of mixtures (cement binder, fillers, pigments) is estimated by the content of radioactive substances, the safety of chemical additives in the composition of mixtures - by the sanitary and hygienic characteristics of additives.
5.3 Adhesive mixtures should not be isolated into the outer medium. Harmful chemicals in quantities exceeding the maximum permissible concentrations (MPC) approved by sanitary supervision authorities.
5.4 It is forbidden to reset glue mixtures, as well as waste from washing equipment in sanitary and sewage water reservoirs.
6 Rules acceptance
6.1 Adhesive mixtures should be accepted by technical control of the manufacturer. The mixtures are released and taking by weight.
6.2 Adhesive mixtures take part. Behind the batch of the mixture takes the amount of a mixture of one class and the composition made from some materials, according to one technology.
The volume of the glue mixture is set at least one replaceable and no more than one daily production of the mixer.
6.3 The quality of adhesive mixtures is confirmed by acceptance control comprising receiving and passing and periodic tests.
For testing from each batch, the mixture is taken by randomly selecting at least five packaging units.
6.4 When receiving and trial tests of each batch of adhesive mixture are determined by:
- for dry mixes - humidity and grain composition;
- for mortar mixtures - water-holding ability, sliding resistance and wetting ability.
The game of the mixture is taken if the results of acceptance tests for all indicators comply with the requirements of this Standard.
With unsatisfactory results of acceptance tests, at least one indicator performs repeated tests on a double-double mixture taken from the same batch. results repeated tests are final and distributed to the entire batch.
6.5 at periodic tests determine:
- the strength of the adhesive compound after withstanding in the air-dry medium for 28 days and the average density is at least once a month;
- the strength of the adhesive compound after withstanding in the aquatic environment - in terms, coordinated with the consumer, but at least once a month;
- The strength of the adhesive compound after withstanding at high temperatures, the strength of the adhesive compound after cyclic freezing and thawing, open time, transverse deformation - once every three months.
Periodic tests are also carried out with a change in quality or type of source materials, mixtures and / or manufacturing technology.
The results of periodic tests apply to all batch-supplied adhesive mixtures prior to the following periodic tests.
6.6 Sanitary and radiation-hygienic assessment of adhesive mixtures confirm the presence of the sanitary and epidemiological conclusion of the authorized state sanitary supervision authorities, which must be resumed after its expiration or when the quality of the rates of raw materials and the composition of mixtures is changed.
6.7 The radiation-hygienic assessment of adhesive mixtures is allowed on the basis of the passport data of the supplier of the source mineral materials.
In the absence of the supplier's data on the content of natural radionuclides in the source materials, the manufacturer of adhesive mixtures at least once a year, as well as each shift of the supplier determines the content of natural radionuclides in the materials and / or in the mixture.
6.8 The consumer has the right to conduct a control check for the quality of adhesive mixtures in accordance with the requirements and methods established in this Standard.
6.9 Each batch of adhesive mixture must be accompanied by a document on the quality document.
- the name of the manufacturer;
- the symbol of the adhesive mixture of 4.3;
- party number;
- the number and date of issuance of a document on quality;
- batch volume in kilograms (tons);
- values \u200b\u200bof the main quality indicators;
- specific effective activity of natural radionuclides;
- Designation of this standard.
With export-import operations, the content of the quality of the quality of the quality is specified in the contract for the supply of the mixture.
7 Test Methods
7.1 Selection of point samples of adhesive mixtures for testing, the preparation of the combined and laboratory samples is carried out in accordance with GOST 31356.
7.2 Humidity, the greatest size of aggregate grains and the content of grains of the greatest size in adhesive mixtures are determined according to GOST 8735.
Middle density is determined by GOST 5802.
7.3 The water-holding ability of mortar mixtures is determined according to GOST 31356.
7.4 Sliding resistance is determined by the method described in Appendix A.
7.5 The ability to be wetting is determined by the method described in Appendix B.
7.6 The strength of the adhesive compound (adhesion) after withstanding in the air-dry medium, in an aqueous medium, after withstanding at high temperatures, cyclic freezing and thawing and open time is determined by the method described in Appendix B.
7.7 The transverse deformation is determined by the method described in Appendix G.
7.8 The specific effective activity of natural radionuclides is determined by GOST 30108 or adopted by the document on the quality of the supplier of materials used for the manufacture of adhesive mixtures.
8 Transportation and storage
8.1 Transportation
8.1.1 Packed adhesive mixtures are transported by transport packages by road, rail and other types of transport in accordance with the rules of carriage acting on the transport of a particular type, and the manufacturer's instruction.
Transportation of adhesive mixtures in bulk is not allowed.
8.1.2 The use of adhesive mixtures transportation means should exclude the possibility of atmospheric precipitation in them, as well as to protect the packaging from mechanical damage and integrity.
8.2 Storage
8.2.1 Adhesive mixtures should be stored in a packaged form, avoiding moisturizing and ensuring the preservation of the packaging, in covered dry warehouses.
8.2.2 Warranty period for storing packed adhesive blends during storage in accordance with 8.2.1 - 12 months from the date of manufacture.
Upon expiration of the storage period, the mixture must be verified for compliance with the requirements of this Standard. In case of compliance with the requirements of this standard, the adhesive mixture can be used for its intended purpose.
Appendix A (mandatory). Method for determining sliding resistance
Appendix A.
(mandatory)
A.1 Test tools
Concrete slab according to GOST 31356.
Uglazed ceramic tilemanufactured by dry pressing method, with water absorption less than 0.5% by weight, with a flat surface for gluing, sizes [(100 ± 1) (100 ± 1)] mm, mass (200 ± 1).
Protective tape with a width of 25 mm.
Tootheart with dimensions of 6x6 mm teeth and distance between 12 mm teeth centers.
Stainless steel stops [(25 ± 0.5) (25 ± 0.5) (10 ± 0.5)] mm.
Height of 5 kg with cross-sectional dimensions [(100 ± 1) (100 ± 1)] mm.
Calcarculus according to GOST 166.
Metal ruler according to GOST 427.
Clamps.
A.2 Preparation for Testing
All test materials are withstanding at least 24 hours under normal conditions. As normal conditions (normal climate), the temperature (20 ± 2) ° C, relative air humidity (60 ± 10)%, air circulation rate in the test zone is less than 0.2 m / s.
GOST 31356.
A.3 Testing
Metal ruler 1
(Figure A.1) Fasten the clips to the top edge of the concrete slab 6
So that the lower edge after its installation in the vertical position passed horizontally.
1 - line; 2 - protective tape; 3 - stops; 4 - ceramic tile; 5 - mortar mixture; 6 - Concrete slab
Figure A.1 - Scheme of testing of the adhesive mixture for climbing
Under the ruler glue a protective tape 2
25 mm width. A mortar mixture is applied to the concrete slab in two layers. 5
: The first layer with a thickness of 1-2 mm, the second - a thickness of 6-8 mm so that it closes the bottom edge of the protective tape. When applied to the mortar mixture, the cells are kept at an angle of 60 ° to the surface of the plate and parallel to the ruler.
The soluble mixture is smoothed by a toothed spatula perpendicular to the line, after which the protective tape is removed. Two stops 3
25 mm width applied to the ruler 1
As shown in Figure A.1. Two minutes later, ceramic tiles are applied to the rest 4
, as shown in Figure A.1, and press it with cargo mass 5
kg. Measure the caller at three points, the distance between the ruler and tiles with an accuracy of ± 0.1 mm.
Through (30 ± 5) with the cargo and the stops are removed, the concrete slab is carefully installed in a vertical position. Through (20 ± 2) min, they are again measured by the calipers at the same points the distance between the ruler and tiles with an accuracy of ± 0.1 mm. The maximum slaughtering of the tile under the action of its own mass is determined as a difference between the testimony of the caliper.
Appendix B (mandatory). Method for determining the ability to wetting
Appendix B.
(mandatory)
B.1 Test Tools
Glass plates with dimensions [(50 ± 1) (50 ± 1) (6 ± 0.5)] mm with polished edge.
Concrete slab according to GOST 31356.
A load of 2 kg with a cross-sectional area is not more [(50 ± 1) (50 ± 1)] mm.
B.2 Treatment Preparation
The preparation of the mortar mixture is carried out in accordance with the requirements of GOST 31356.
B.3 Testing
On concrete slab 1
(Figure B.1) Clavma in two layers are applied with a solution mixture: the first layer with a thickness of 1-2 mm, the second - 6-8 mm thick.
1 - concrete slab (base); 2 - furrows of the mortar mixture formed by the toothed spatula; 3 - Glass plate
Figure B.1 - a diagram of testing the adhesive mixture to wetting ability
The layer of the mortar mixture is smoothed by perpendicular to the upper side face of the concrete slab with a toothed spatula, holding it at an angle of 60 ° to the surface of the plate.
Glass plates are placed on the layer of the mortar mixture 3
After 0, 10, 20 and 30 minutes after it is applied (see Figure B.1). Each plate is pressed by 30 with a load weighing 2 kg. The glass plates are located on a layer of the mortar mixture so that the two of its opposite edges are parallel to the grooves of the mortar mixture. 2
.
After removing the cargo, the glass plates are carefully raised and visually evaluated in the percentage of the overall area of \u200b\u200bthe plate area of \u200b\u200bits surface, moistened with a mortar mixture.
For one test, three glass plates are used.
B.4 Processing Test Results
The laboratory magazine for each time interval (0, 10, 20 and 30 min) includes the average arithmetic value of the surface area of \u200b\u200bthree glass plates, moistened with a solution mixture, expressed as a percentage.
The ability to wetting the soluble glue mixture takes the time interval at which the surface of the glass plate is moistened with a solution with a solution of more than 50%.
Appendix B (mandatory). Method for determining the strength of adhesive compound (adhesion) and open time
Appendix B.
(mandatory)
B.1 Test tools
Concrete slab according to GOST 31356.
Ceramic tight tile made by dry pressing method, with water absorption less than 0.5% by weight, with a flat surface for gluing and the size of the front side [(50 ± 1) (50 ± 1)] mm.
Tootheart with sizes of 66 mm teeth and distance between 12 mm teeth centers.
Cargo weighing 2 kg by cross section with no more than 5050 mm.
Testing machine for determining the adhesion strength (adhesion) of the adhesive mixture with a base that has sufficient power and sensitivity for testing. The machine must use a suitable compound that does not create bending force, to provide a tensile load to the stamps at a speed of increasing load (250 ± 50) N / s.
Square metal stamps with dimensions [(5050) ± 1] mm and a minimum thickness of 10 mm, having a suitable device for connecting to a testing machine.
Drying cabinet, temperature in which can be adjusted with an accuracy of ± 3 ° C.
B.2 Preparation for Testing
All materials used are withstanding at least 24 hours under normal conditions. As normal conditions (normal climate), the temperature (20 ± 2) ° C, relative air humidity (60 ± 10)%, air circulation rate in the test zone is less than 0.2 m / s.
The preparation of the mortar mixture is carried out in accordance with the requirements of GOST 31356.
B.3 Production of samples
A mortar mixture is applied to the concrete slab to the cells: the first layer with a thickness of 1-2 mm, the second - 6-8 mm thick and smoothed it with a toothed spatula. The toothed spatula holds at an angle of 60 ° to the plate and perpendicular to the top edge of the plate.
After 5 minutes, five ceramic tiles are glued on the mortar mixture at a distance of at least 50 mm from each other and pressed each tile by 30 with a weight of 2 kg.
In the manufacture of samples to determine the open time, ceramic tiles are glued to the solution mixture after 10 minutes for adhesive mixtures of classes F, after 30 minutes for grades of class E and after 20 minutes for adhesive mixtures of all other classes.
V.4 Storage of samples and testing
V.4.1 The strength of the adhesive connection after withsturgate in the air-dry medium
After 27 days of storage under normal conditions, the tiles with a suitable high-strength glue (for example, epoxy) are glued with a stamps and after 24 hours, the adhesive strength of the adhesive compound is determined, applying the load to the stamp at a constant rate of increase (250 ± 50) N / s.
When testing fast-hardening adhesive mixtures, the strength of the adhesive compound is additionally tested 6 hours after gluing the tile when storing the samples under normal conditions.
V.4.2 The strength of the adhesive connection after withsturgate in the aquatic environment
Test samples are manufactured in accordance with B.3.
Samples withstand 7 days at a temperature (20 ± 2) ° C. After 20 days, the samples are removed from the water, wipe with a towel and with a suitable high-strength glue (for example, epoxy) are glued to stamps tiles. After 7 hours, samples are immersed in water at normal temperature.
The next day, the samples are removed from the water and determine the strength of the adhesive compound, applying the load to the stamp at a constant rate of increase (250 ± 50) N / s.
The results indicate Newton.
V.4.3 The strength of the adhesive connection after withstanding at high temperatures
Test samples are manufactured in accordance with B.3.
Samples withstand 14 days under normal conditions, then 14 days are stored in the drying cabinet at a temperature of (70 ± 3) ° C, after which the samples are removed from the drying cabinet and with a suitable high-strength glue (for example, epoxy) to the tiles are stamps.
Samples are maintained by another 24 hours under normal conditions, after which the strength of the adhesive compound is determined, applying the load with a constant rate of increase (250 ± 50) N / s.
The results indicate Newton.
V.4.4 The strength of the adhesive connection after cyclic freezing and thawing
Test samples are manufactured in accordance with B.3.
Before gluing the tile on its opposite direction, is additionally applied to the cellular layer of the mortar mixture with a thickness of about 1 mm.
Samples withstand 7 days under normal conditions, then stored in water for 21 days, after which it is subjected to 25 cycles of freezing and thawing.
The freezing and thawing cycle is carried out as follows:
1) the samples are removed from the water and placed in refrigerated Camerawhere the temperature is maintained minus (15 ± 3) ° C for 2 hours ± 20 minutes;
2) samples are kept in the chamber at a temperature of minus (15 ± 3) ° C for 2 hours ± 20 minutes;
3) Samples are immersed in water with a temperature plus (20 ± 3) ° C. The water temperature with samples should be no lower than plus (15 ± 3) ° C.
At the end of the last cycle, the samples are removed from the water, wipe dry and glued to the stamps tiles. Samples are maintained by another 24 hours under normal conditions, after which the strength of the adhesive compound is determined, applying the load with a constant rate of increase (250 ± 50) N / s.
The results indicate Newton.
V.5 Determination of the type of destruction
When determining the strength of the adhesive compound, the following types of destruction may be:
- adhesive destruction.
Destruction occurs on the border between the surfaces of the adhesive solution and the base AF-S (Figure B.1) or between the surfaces of the ceramic tile and the AF-T adhesive solution (Figure B.2). In both cases, test results are equal to the normalized adhesive strength.
Note - adhesive destruction can appear between the surfaces of the ceramic tile and the Steel Stamp WT (Figure V.Z). The normalized strength of the adhesive connection is higher than the strength obtained during the test. Tests should be repeated;
- Cohesion destruction.
Destruction occurs inside the CF-A adhesive layer (Figure V.4), at the base of CF-S (Figure V.5), inside the CF-T ceramic tile (Figure V.6).
Note - With cohesion destruction, the strength of the adhesive solution is greater than the strength obtained during the test.
1 - stamp; 2 - ceramic tile; 3 - adhesive solution; 4 - base (concrete slab)
Figure B.1 - AF-S adhesion destruction
1 - stamp; 2 - ceramic tile; 3 - adhesive solution; 4 - base (concrete slab)
Figure B.2 - AF-T adhesion destruction
1 - stamp; 2 - ceramic tile; 3 - adhesive solution; 4 - base (concrete slab)
Figure B.3 - adhesion destruction W
1 - stamp;
2 - ceramic tile; 3 - adhesive solution; 4 - base (concrete slab)
Figure V.4 - CF-A cohesion destruction
1 - stamp; 2 - ceramic tile; 3 - adhesive solution; 4 - base (concrete slab)
Figure V.5 - CF-S cohesive destruction
1 - stamp; 2 - ceramic tile; 3 - adhesive solution; 4 - base (concrete slab)
Figure V.6 - CF-T cohesion destruction
V.6 Processing Test Results
Separate values \u200b\u200bof adhesive strength, MPa (H / mm) are determined by the formula
=L / A., (IN 1)
where L. - common power stretching, n;
BUT - surface area of \u200b\u200bgluing, mm; A \u003d 2500 mm.
The result is round up to 0.1 MPa.
The final result of the adhesive strength for each variant of storage conditions is determined as follows:
- calculate the average value of the results of five tests;
- exclude the results that deviate from the average value by more than ± 10%;
- if there are three or more values, define a new average value;
- if less than three values \u200b\u200bremain, the test is repeated;
- Set the predominant type of destruction of tested samples.
Appendix M (mandatory). Method for determining transverse deformation
Appendix G.
(mandatory)
G.1 Test Tests
Rigid, smooth, durable base for overlapping a plastic substrate film.
Polyethylene film substrate with a minimum thickness of 0.15 mm.
Pattern A is a smooth, rigid rectangular frame of non-heating material internal dimensions [(28045) ± 1] mm and a thickness of (5 ± 0.1) mm (see Figure G.1).
Template B is a smooth, rigid form of non-heating material moisture (see Figure G.2), which allows to produce samples with dimensions [(300dwe cylindrical metal supports with a diameter (10 ± 0.1) mm, the distance between the axes (200 ± 1) mm, The minimum length is 60 mm (see Figure G.4).
Testing machine, which can provide the exposure to the pressure on the test sample at a speed of 2 mm / min.
Figure G.1 - Template A
Figure G.1 - Template A
Figure 2 - template in
Figure 2 - template in
Figure G.Z - Fil
Figure G.Z - Fil
G.2 Preparation for Testing
All materials used are maintained within 24 hours under normal conditions. As normal conditions (normal climate), the temperature (20 ± 2) ° C, relative air humidity (60 ± 10)%, air circulation rate in the test zone is less than 0.2 m / s.
The preparation of the mortar mixture is carried out in accordance with the requirements of GOST 31356. For the preparation of the mortar mixture use at least 2 kg of dry adhesive mixture.
33 Production of samples
The substrate polyethylene film is firmly fixed on a tight base without folds or wrinkles on the surface of the substrate film.
Pattern A installed on the substrate film.
The pattern A is filled in a transverse direction with a mortar mixture and leveled to the cells so that the cavity of the template is completely filled.
The base and pattern A, filled with a mortar mixture, fixed on a shaking table and compact the mortar mixture with 70 beats.
The base with the compacted sample is removed from the shaking table, the thin spatula is carried out along the internal boundaries of the template and for separating the mortar mixture from them, after which the template is neatly removed, lifting it up vertically upwards.
A thin layer of machine oil is applied to the template, it is placed on top of the sample of the solution mixture and loaded with a cross-section of approximately (29045) mm, providing a clamping force (100 ± 0.1) H to achieve the necessary sample thickness.
The excess of the mortar mixture on the sides of the template is removed by a spatula and after 1 hour the cargo is removed.
After 48 h storage under normal conditions, the template in gently removed from the solidified sample.
For each test produce six samples.
G.4 Storage of samples
After removing the template into samples on the substrate horizontally placed in the plastic box. The box is hermetically closed.
Samples of 12 days are stored at a temperature (23 ± 2) ° C, after which the samples are removed from the box and for 14 days stored in air under normal conditions.
G.5 Testing
After storage, the substrate film is removed from the samples. The caliper is measured by the thickness of the samples at three points: in the middle and at a distance (50 ± 1) mm from each end. If the three obtained thickness values \u200b\u200blie in the valid limits (3.0 ± 0.1) mm, calculate the average value. Samples whose thickness does not correspond to the allowed thickness, do not have test. If the number of remaining samples of less than three, manufactures new test samples.
The test diagram is shown in Figure G.4.
Test sample 2
Install on metal supports 1
.
Using Crazy 3
The load is applied at a speed of 2 mm / min to its destruction. Fix in millimeters transverse deformation of the sample at the time of destruction.
If the sample has not collapsed, indicate the maximum load and the corresponding transverse deformation.
Test repeat with all samples.
1 - metal supports; 2 - sample; 3 - presser
Figure G.4 - Test Scheme
G.6 Test results processing
The transverse deformation of the adhesive mixture is calculated as the arithmetic average of the values \u200b\u200bobtained for all samples, and round up to 0.1 mm.
UDC 691.32: 006.354 | OX 91.100.15 | OKP 57 4550. |
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Keywords: sliding resistance, wetting ability, transverse deformation, adhesive strength |
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Electronic document text
prepared Codex JSC and drilled by:
official edition
M.: Standinform, 2015
Interstate Council for Standardization, Metrology and Certification
INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION
Interstate
STANDARD
General technical conditions
Official edition
Standinform
Preface
The goals, the basic principles and the main procedure for carrying out work on interstate standardization are GOST 1.0-92 "Interstate standardization system. Basic provisions "and MSN 1.01-01-96" The system of interstate regulatory documents in construction. Basic provisions "
Information about standard
1 Developed by the State Educational Institution of Higher Professional Education "St. Petersburg State Architectural and Construction University" (SPBGAS) with the participation of the company "Maxt", Vaquermey Rus (Technical Center), Ano "Stan-DartinzhisT"
2 Submitted by the Technical Committee on Standardization TC 465 "Construction"
3 Adopted by the Interstate Scientific and Technical Commission for Standardization, Technical Registration and Certification in Construction (MNTKS) November 21, 2007
4 This standard complies with European standards of EN 998-1: 2003 "Specification for solutions for masonry. PART 1: plastering and putty solutions "(EN 998-1: 2003" Specification on Masonry Mortars. Part 1: Plasters and Stopping Fillers "), EH 998-2: 2003" Specification for solutions for masonry. Part 2: Masonry Solutions "(EN 998-2: 2003" Specification on Masonry Mortars. Part 1: Masonry Mortars "), EH 13813: 2002" Materials for alignment of floors and an alignment device. Properties and requirements "(EN 13813: 2002" Materials and Devices for Leveling of Floors. Materials for Leveling. Proper Ties and Requirements "), EH 1323: 1996" Claps for facing tiles - a concrete slab for testing "(EN 1323: 1996 Glues for Facing Tiles - Concrete Slab Used As Base ") in terms of requirements for mobility indicators, water absorption and adhesion strength with base (adhesion) mixtures
5 commissioned by order of the Federal Agency for Technical Regulation and Metrology dated April 2, 2008 No. 74-ST as the National Standard of the Russian Federation from January 1, 2009
6 introduced for the first time
Information on the introduction (termination) of this standard and changes to it on the territory of the States mentioned above is published in the signs of national (state) standards issued in these states.
Information about the changes to this standard is published in the index (catalog) "Interstate Standards", and the text of the changes - in the information signs "Interstate Standards". In case of revision or cancellation of this standard, the relevant information will be published in the information indicator "Interstate Standards"
© Standinform, 2008
This standard cannot be fully or partially reproduced, is replicated and distributed as an official publication in the Russian Federation without the permission of the Federal Agency for Technical Regulation and Metrology
Interstate standard
Mixtures dry construction on cement binder
General technical conditions
Dry Building Cement Binder Mixes.
General Specifications.
Date of administration - 2009-01-01
1 area of \u200b\u200buse
The present standard applies to dry building mixtures (hereinafter - dry mixtures), manufactured on a cement binder based on a portland cement clinker or on mixed (complex) binders based on it, on an alumina cement containing polymer additives no more than 5% of the mass of the mixture used in construction , reconstruction and repair of buildings and structures, and establishes general technical requirements, acceptance rules, test methods.
The standard does not apply to dry mixtures on plaster, polymer and special binders, as well as on biocidal and sanitative mixtures.
The requirements of this standard should be taken into account in the development of regulatory and technical documents establishing the normalized quality indicators of dry mixtures of specific species that ensure the technological and technical efficiency of dry mixtures, as well as technological documentation for their application.
Note - The term "complex binders" is used to revise GOST 31189.
This standard uses regulatory references to the following interstate standards:
GOST4.212-80 System of product quality indicators. Building. Concretes. Nomenclature of indicators
GOST 4.233-86 System of product quality indicators. Building. Construction solutions. Nomenclature of indicators
GOST 310.4-81 cements. Methods for determining the strength of bending and compression
GOST 965-89 Portland cements white. Technical conditions
GOST 969-91 Cements are alumina and high-aluminum. Technical conditions
GOST 5802-86 Construction solutions. Test methods
GOST 7076-99 Materials and construction products. Methods for determining thermal conductivity and thermal resistance with stationary thermal mode
GOST 8267-93 Crushed stone and gravel from dense rocks for construction work. Technical conditions
GOST 8735-88 Sand for construction work. Test methods
GOST 8736-93 Sand for construction work. Technical conditions
GOST 10060.0-95 concrete. Methods for determining frost resistance. General requirements
GOST 10060.1-95 concrete. Basic method of determining frost resistance
GOST 10060.2-95 concrete. Accelerated methods for determining frost resistance in repeated freezing and thawing
Official edition
GOST 10060.3-95 concrete. Dilatometric method of accelerated definition of frost resistance
GOST 10178-85 Portland cement and Slagoportland cement. Technical conditions
GOST 10180-90 concrete. Methods for determining the strength of control samples
GOST 10181-2000 Mixtures concrete. Test methods
GOST 12730.3-78 concrete. Method of determining water absorption
GOST 12730.5-84 concrete. Methods for determining waterproof
GOST 13015-2003 Reinforced concrete products and concrete products for construction. General technical requirements. Rules of acceptance, labeling, transportation and storage
GOST 17624-87 concrete. Ultrasonic strength determination method
GOST 22690-88 concrete. Determining the strength of non-destructive testing mechanical methods
GOST 22856-89 Crushed stone and sand-chopped natural stone. Specifications GOST 24211 -2003 Additives for concrete and mortars. General technical conditions GOST 24452-80 concretes. Methods for determining the prism strength, modulus of elasticity and the coefficient of Poisson
GOST 24544-81 concrete. Methods for determining shrinkage and creep deformations GOST 25820-2000 Lung concrete. Technical conditions
GOST 25898-83 Building materials and products. Methods for determining piping resistance
GOST 26633-91 Heavy and fine-grained concretes. Specifications GOST 27677-88 Corrosion protection in construction. Concretes. Common tests for testing
GOST 28570-90 concrete. Methods for determining the strength of samples selected from the designs
GOST 28575-90 Corrosion protection in construction. Concrete and reinforced concrete designs. Protective Park Permeability Test
GOST 30108-94 Building materials and products. Definition of specific effective activity of natural radionuclides
GOST 31108-2003 Cements general construction. Specifications GOST 31189-2003 Dry construction mixtures. Classification GOST 30353-95 floors. The method of testing for resistance to shock influences GOST 31356-2007 Mixtures of dry construction on cement binder. Test Methods GOST 31358-2007 Dry Construction Floor Mixes on cement binder. Technical conditions
Note - When using this standard, it is advisable to check the action of reference standards in the state of the state on the "National Standards" indicator, compiled as of January 1 of the current year, and on the relevant information signs published in the current year. If the reference standard is replaced (changed), then when using this standard should be guided by replacing (modified) standard. If the reference standard is canceled without replacement, the position in which the reference is given to it is applied in a portion that does not affect this link.
3 Terms and Definitions
This standard applies terms according to GOST 31189, as well as the following terms with the corresponding definitions.
3.1 Mixtures ready for use: mixtures of binders, fillers, aggregates, chemical additives, pigments (if necessary) and water mixed to homogeneous mass and ready for construction work.
3.2 High solid solutions (concretes): artificial stone materials, which are hardened mixtures of binders, fillers, aggregates, chemical additives and pigments (if necessary).
Note - High solid solutions include solidified mortar and dispersed
3.3 water absorption capillary sample: the ability of a sample solution (concrete) dried to constant mass to absorb water at atmospheric pressure due to capillary or adsorption forces.
3.4 Contact Zone: The surface of the base of the phase section "base" is "a hardened solution (concrete)".
3.5 Frost resistance of the contact area: the ability of the hardened solution (concrete) to maintain the adhesion strength (adhesion) with a base with multiple variable freezing and thawing.
3.6 Clutch strength with base (adhesion): mechanical characteristics of the contact zone in the conditions of stretching during separation.
4 Technical requirements
4.1 Dry mixes must comply with the requirements of this standard and manufactured according to the technological documentation approved by the manufacturer.
4.2 The properties of dry mixtures are characterized by the quality indicators of mixtures in a dry state, mixtures ready for use, and a solidified solution (concrete).
4.2.1 The main quality indicators of dry mixtures should be:
Humidity;
The greatest size of aggregate grains;
Bulk density (if necessary).
4.2.2 The main indicators of the quality of mixtures, ready for use, should be:
Mobility (except adhesive, for adhesive - if necessary);
Preserving of initial mobility;
Water-holding ability;
The volume of the involved air (if necessary).
4.2.3 The main indicators of the quality of the hardened mortar (concrete) should be:
Compression strength (except glue);
Water absorption;
Frost resistance (except mixtures for internal work);
Clutch strength with base (adhesion);
Waterproof (for waterproofing mixtures and, if necessary);
Abrasibility (for floor mixtures and if necessary);
Frost resistance of the contact zone (except for mixtures for internal work).
4.2.4 For mixtures of a particular type, the following additional quality indicators are set in accordance with the scope of their application:
Tensile strength at bending;
Shrinkage deformations (expansion);
Resistance to impacts;
Elastic modulus;
Thermal conductivity;
Vapor permeability;
Corrosion resistance in various types of corrosion.
If necessary, other indicators are installed in accordance with GOST 4.212, GOST 4.233, contract terms.
4.3 Conditional designation of dry mixtures should consist of the name of the respective classification features in accordance with GOST 31189, the designations of the main technical indicators of mixtures (if necessary) and the designation of a regulatory or technical document on a mixture of specific species.
Examples of conditional notation:
Dry construction concrete mix on cement binder, assembly, brand on the mobility of the PZ, class by strength to compression of the CZP, stamps on waterproof W8, stamps for frost resistance F150:
The mixture is dry concrete, assembly, PZ, PIS, W8, F150 (designation of a regulatory or technical document for a mixture of a specific species)
Dry building mortar mixture on cement-lime binder, repair, surface, brand via mobility P to 3, stamps for compressing M75, stamps for frost resistance F100:
Dry mortal mixture, cement-lime, repair, surface P to 3, M75, F100 (designation of a regulatory or technical document for a mixture of a specific species)
Dry construction dispersed mixture on a cement binder, leveling, putty, brand for mobility P to 3, stamps for compressing M100, stamps for frost resistance F50:
Dry dispersed mixture, putty P to 3, M100, F50 (designation of a regulatory or technical document for a mixture of a specific species)
4.4 Humidity of dry mixes should not exceed% by weight:
0.2 - for mixtures on cement and mixed (complex) binders containing cement 80% of the mass of mixed binder and more;
0.3 - for mixtures on mixed (complex) binders containing cement less than 80% of the mixed binder.
4.5 The greatest size of aggregate grains d Naala, mm, should not be more:
20.00 - for concrete mixes;
5.00 - for mortar mixtures;
0.63 - for dispersed mixtures.
The residue on the sieve corresponding to the size of the grains of the greatest size of the filler, in dry mixtures (except dispersed) there should be no more than 5.0%, in dispersed mixtures - no more than 0.5%.
4.7 Mobility of mixtures ready for use, determine:
By sediment OK and / or the videos of the cone of the Republic of Kazakhstan, cm, for concrete mixes;
On the immersion of the PC and the videos of the cone of the Republic of Kazakhstan, cm, for dissolves and dispersed mixtures, respectively;
According to the breeding rings rk, cm, - for dispersed self-adverse mixtures.
The mobility of the mixtures should be provided when water is shown in the amount indicated on the labeling.
The mobility stamp and the assessment criterion of mobility are set in regulatory or technical documents on dry mixtures of specific species depending on their purpose.
4.8 The preserving of the initial mobility of mixtures ready for use is determined by the time to preserve the initial mobility in minutes. The preserving of the initial mobility of mixtures should be no less time during which the mixture is generated.
4.9 The water-holding ability of mixtures ready for use should be at least 90% containing water-holding additives - at least 95%.
4.10 The normalized indicators of the quality of hardened solutions (concrete) must be provided at design age under normal-humid-humid (F \u003d 18 ° C-20 ° C, the relative humidity of more than 95%) or natural hardening (F \u003d 20 ° C-23 ° C, relative humidity of 50% -60%), depending on the application of mixtures of specific species.
Project age and hardware conditions should be indicated in regulatory or technical documents on dry mixtures of specific species. If this is not specified in the regulatory or technical document on a mixture of a specific species, then the project age should take 28 days in the conditions of normal-humid hardware for concrete mixtures and natural hardening - for mortar and dispersed mixtures.
4.11 Classes of compressive strength and stretching during bending of concrete at design age should correspond to parametric rows shown in GOST 26633.
For solutions at design age, the following classes are set (stamps):
By strength to compress Classes: B10, B15, B20, B22.5, B25, CZP, B35, B40, B45, B50; Brands: M5, M10, M25, M50, M75, M100, M150, M200, M250, M300;
By tensile strength when bending classes: BTB0.4; BTB0.8; BTB1.2; BTB1.6; BTB2.0; Btb2.4; BTB2.8; BTB3.2; Btb3,6; BTB4.0; Btb4.4; BTB4.8; BTB5.2.
4.12 Water absorption of hardened solutions (concrete) when saturated with water for 48 hours and the full immersion of samples into water should not exceed% by weight:
8.0 - for mixtures on cement and mixed (complex) binders containing cement 80% of the mass of mixed binder and more;
15.0 - for mixtures on mixed (complex) binders containing cement less than 80% of the mixed binder.
Water absorption with a capillary scene for 24 hours should not exceed 0.4 kg / m 2 h 0 - 5 (except for waterproofing mixtures), for waterproofing mixtures - no more than 0.2 kg / m 2 h 0 - 5.
4.13 Marks on the frost resistance of hardened concrete are installed according to GOST 10060.0.
For hardened solutions, the following stamps of frost resistance are set: F15, F25, F35, F50, F75, F100, F150, F200, F300, F400.
4.14 The adhesion strength of hardened solutions with a concrete base (adhesion) must be established in regulatory or technical documents on dry mixtures of specific species and should not be lower: 0.8 MPa - for repair, 0.5 MPa - for adhesive; 0.4 MPa - for external leveling, 0.25 MPa - for internal leveling mixtures.
Clutch strength (adhesion) hardened solutions based on other materials (brick, natural stone, mineral wool slabs, ceramic tiles, polystyrene foam, etc.) set in regulatory or technical documents on dry mixtures of specific species depending on the application.
4.15 High solid solutions should have the following stamps on the frost resistance of the contact zone: F K3 25, F K3 35, F K3 50, F K3 75, FJ00.
The frost resistance of the contact zone F K3 is determined by changing the adhesion strength (adhesion) of the solidified solutions with the base after the number of variable freezing cycles installed for this brand above the mode shown in GOST 10060.0.
4.16 Mark of solutions (concrete) for waterproof for waterproofing mixtures (except for waterproofing penetration) should be no lower than W6. For waterproofing penetrating mixtures, designed to process concrete, a brand of waterproof of concrete, treated with penetrating mixtures, should be higher than in no less than two steps compared to untreated concrete.
4.17 The abrasibility is taken according to GOST 13015 or regulatory and technical documents on a mixture of specific species, depending on the field of their application.
4.18 The requirements of the quality of quality indicators given in 4.2.4 are set in regulatory or technical documents on a mixture of specific species.
4.19 Requirements for Material Materials
4.19.1 Materials used to prepare mixtures must comply with the requirements of regulatory or technical documents for these materials, as well as the requirements of this standard.
4.19.2 As binding materials use:
Portland cement and Slagoportland cement according to GOST 10178;
General construction cements according to GOST 31108;
Glind-grade cement according to GOST 969;
White cement according to GOST 965;
Mixed (complex) binders on regulatory or technical documents for binding specific species.
4.19.4 Applied as aggregates:
Crushed stone or gravel according to GOST 26633, GOST 8267;
Pesocci construction work according to GOST 8736;
Porous sands according to GOST 25820;
Decorative fillers and fillers (marble crumb, mica, etc.) according to GOST 22856 or regulatory and technical documents on fillers and fillers of specific species.
Pigments (titanium dioxide, sucking, ocher, etc.) must have a resistance in an alkaline environment and comply with the requirements of the regulatory documents on pigments of specific species.
4.19.6 The specific activity of natural radionuclides L EFF in materials used to prepare dry mixtures should not exceed the limit values \u200b\u200bset to GOST 30108, depending on the scope of mixtures.
4.19.7 Chemical additives on action efficiency must comply with the criteria for effectiveness according to GOST 24211.
Supplements are injected into dry mixtures in the form of a water-soluble powder and / or granules.
4.20 Packaging and marking
4.20.1 Dry mixes are packaged in packages made of polyethylene film, multilayer paper bags from kraft paper or with polyethylene liner, as well as in bags with a capacity of more than 1 tons (Big Bags). The weight of the dry mixture in the packages should not exceed 8 kg, in bags - 50 kg.
Packaging should be protected from moisture access to mixtures of ambient air.
4.20.2 The labeling should be applied to each packing unit. Marking must be a clear and applied to indelible paint.
4.20.3 Marking on each packaging unit should contain the following information:
Name and / or trademark and manufacturer's address;
Production date (month, year);
Conditional designation of the dry mixture of 4.3;
Mass of the mixture in the packaging unit, kg;
Deadline, month;
A brief instruction on the use of a dry mix, with an indication of the volume of the indictment, necessary to obtain dissolved (concrete) mixtures with specified properties, l / kg.
If necessary, the marking may contain additional data that ensure the complete identification of the dry mixture.
5 Safety and Environmental Requirements
5.1 Dry mixes are non-flammable, fire-proof materials.
5.2 Sanitary and radiation-hygienic safety mixtures are established on the basis of the sanitary and epidemiological conclusion of the authorized state sanitary supervision authorities and evaluate the safety of dry mixtures or their components.
The safety of mineral components of dry mixtures (cement, fillers, fillers, pigments) is estimated by the content of radioactive substances, the safety of chemical additives in the composition of dry mixes - by the sanitary and hygienic characteristics of additives.
5.3 The mixtures should not be separated into the external environment, harmful chemicals in quantities exceeding the maximum permissible concentrations (MPC) approved by the health authorities.
5.4 It is forbidden to drop dry mixtures, as well as waste from flushing equipment in sanitary and sewage water reservoirs.
6 Rules acceptance
6.1 Dry mixes should be accepted by the technical control of the manufacturer. The mixtures are released and taking by weight.
6.2 Dry mixes take parties. Over the batch of dry mixture takes the amount of a mixture of one type and composition prepared from some materials according to one technology.
The volume of the batch of dry mixture is established by consumer coordination, but at least one replaceable and no more than one daily production of the mixer.
6.3 The quality of dry mixtures is confirmed by acceptance control, including receiving and passing and periodic tests.
For testing from each batch of dry mixture, we are taken by randomly selecting at least five packaging units.
6.4 In the receiving and trial tests of each batch of dry mixture, moisture, the greatest size of the aggregate grains, the content of grains of the greatest size, dry mixtures, mobility of mixtures, ready for use, and strength to compress hardened solutions (concrete).
A batch of dry mixture is taken if the results of acceptance tests for all indicators comply with the requirements of this standard, as well as the requirements of a regulatory or technical document for a mixture of a specific species.
The batch of dry mix is \u200b\u200bmarried if the mixture of at least one indicator does not comply with the requirements of this standard, a regulatory or technical document for a mixture of a specific species.
6.5 at periodic tests determine:
Tensile strength during bending, adhesion strength with the base and water absorption of the hardened solution (concrete) - in terms agreed with the consumer, but at least once a month;
Quality indicators of mixtures ready for use (except for mobility), hardened solutions (concrete) (except compression strength, clutch strength with base, water absorption), shrinkage deformation (expansion), resistance to abdomen, thermal conductivity of thermal insulation mixtures - in terms agreed with consumer, but at least once every six months, as well as when changing the quality of the starting materials, the composition of mixtures and technology of their manufacture;
The bulk density of the dry mix - once a quarter.
The results of periodic tests apply to all the supplied batch of dry mixtures before the following periodic tests.
6.6 The modulus of elasticity, thermal conductivity (except for thermal insulation mixtures), vary, corrosion resistance at various types of corrosion is determined by organizing the production of mixtures of specific species, as well as when changing the quality of the starting materials, the composition of mixtures and their cooking technology.
6.7 Radiation and sanitary and hygienic assessment of dry mixtures confirm the presence of the sanitary and epidemiological conclusion of the authorized state sanitary supervision authorities, which must be resumed after its expiration or with a change in the quality of the source materials and the composition of dry mixtures.
6.8 Radiation-hygienic assessment of dry mixtures is allowed to be carried out on the basis of passport data of suppliers of source mineral materials.
In the absence of a supplier's data on the content of natural radionuclides in the source materials, the manufacturer of dry mixtures is at least once a year, and even with each change of the supplier, determines the content of natural radionuclides in materials and / or mixtures.
6.9 The consumer has the right to conduct a control check for mixtures in accordance with the requirements and methods established in this standard.
6.10 Each batch of the supplied dry mixture must be accompanied by a document on the quality document.
Name of the manufacturer;
Name and symbol of dry mixture;
Party number;
Number and date of issuance of a document on quality;
Batch volume, kg (t);
Values \u200b\u200bof the basic indicators of the quality of mixtures that determine the scope of their application;
The specific effective activity of natural radionuclides l e f f;
Designation of a regulatory or technical document on a dry mixture of a specific species.
In export-import operations, the content of the quality of the quality of the quality is specified in the contract for the supply of a dry mixture.
7 Test Methods
7.1 Samples of mixtures for testing are selected in accordance with GOST31356.
7.2 Humidity, the greatest size of aggregate grains, the content of grains of the greatest size is determined according to GOST 8735 on a sample mass of at least 50 g.
The bulk density is determined according to GOST 8735.
7.3 The mobility of the dissolution and dispersed mixtures of the immersion cone P К is determined according to GOST 5802, the cutting of the cone of the Republic of Kazakhstan - according to GOST 310.4, the breaking of the ring R K - according to GOST 31356. The water-holding ability of dissolves and dispersed mixtures is determined according to GOST 5802.
The preserving of the initial mobility of dissolves and dispersed mixtures is determined by the change in P K, RK, R.
7.4 Mobility, the volume of the involved air and the continuability of the initial mobility of concrete mixtures is determined by GOST 10181.
7.5 Compressive strength and stretching at bending are determined on control samples according to GOST 310.4 or GOST 10180; On samples selected from structures - according to GOST 28570, or methods of non-destructive testing - according to GOST 22690 or GOST 17624.
7.6 Water absorption with full immersion in water samples of hardened mortar and dispersed mixtures are determined by GOST 5802, samples of concrete mixes - according to GOST 12730.3.
Water absorption with capillary sacrifice of hardened solutions (concrete) is determined according to GOST 31356.
7.7 Frost resistance of hardened concrete is determined according to GOST 10060.0 - 10060.3.
Frost resistance of hardened solutions and frost resistance of the contact zone are determined by
7.8 The adhesion strength of hardened solutions (concrete) with concrete base is determined according to GOST 31356.
7.9 Waterproof solutions (concrete) are determined according to GOST 12730.5:
On samples-cylinders with a diameter of 150 mm and a height of 30 mm for all mixtures, except for waterproofing penetration;
On samples-cylinders made of concrete treated with a waterproofing penetrating mixture - for waterproofing penetrating mixtures.
7.10 The abrasability of hardened solutions (concrete) is determined according to GOST 31358.
7.11 Deformation of shrinkage (expansion) of hardened solutions (concrete) is determined according to GOST 24544, the modulus of elasticity - according to GOST 24452.
7.12 Resistance to shock influences is determined according to GOST 30353.
7.13 Thermal conductivity is determined according to GOST 7076.
7.14 Parry permeability is determined according to GOST 28575 or GOST 25898.
7.15 Corrosion resistance for various types of corrosion is determined according to GOST 27677 and regulatory or technical documents on a mixture of specific species.
7.16 The specific effective activity of natural radionuclides L EFF in the starting materials for the manufacture of dry mixtures or directly in dry mixtures is determined according to GOST 30108.
7.17 Materials for the preparation of dry mixtures are tested in accordance with the requirements of regulatory or technical documents for these materials.
Test methods of materials used to prepare dry mixtures should be indicated in the technological documentation for the preparation of a dry mixture.
8 Transportation and storage
8.1 Transportation
8.1.1 Packed dry mixes are transported by road packages by road, rail and other types of transport in accordance with the rules of transportation and fastening of goods acting on the transport of a particular type, and manufacturer's instructions.
Transportation of mixtures in silos with a capacity of 3-18 tons, subject to the fulfillment of the requirements 8.1.2.
8.1.2 The mixture transportation methods used should exclude the possibility of atmospheric precipitation in them, as well as to ensure the safety of packaging from mechanical damage and integrity disorders.
8.2 Storage
8.2.1 Dry mixes should be stored in a packaged form, avoiding moisturizing and ensuring the preservation of packaging, in covered dry warehouses with relative humidity of air no more than 60%.
8.2.2 Warranty period for storing packed mixtures when stored in accordance with
8.2.1 - Manufacturer.
The deadline for mixtures transported in silos - 3 mescodes of manufacture.
After the storage period, the mixture must be verified for compliance with the requirements of this standard and / or regulatory or technical documents on a mixture of specific species. In case of compliance with the requirements of this standard and / or regulatory or technical document on a mixture of a particular type, the mixture is allowed to be used for its intended purpose.
UDC 691.32.006.354 μS 91.100.15 Z13 OKP 57 4500
Keywords: dry building mixes, construction, reconstruction and repair of buildings and structures, technical requirements, acceptance rules, test methods
Editor V.N. Copys Technical Editor V.N. Prussakova Corrector M.V. Bulk computer layout I.A. Tyclina
Rent in the set 04/18/2008. Signed in print 05/22/2008. Format 60x84%. Offset paper. Headset Arial. Print offset. Hood. Pechs. l. 1.40. Ud. l. 1.10. Circulation 313EX. For k. 544.
FSUE "Standinform", 123995 Moscow, grenade lane., 4.
Vocated in FSUE "Standinform" on the PEVM
Printed in the branch of FSUE "Standinform" - type. "Moscow Printer", 105062 Moscow, Lyalin Per., 6.
GOST 31358-2007 establishes the requirements that should correspond to the floor dry construction mixtures prepared on a cement binder based on a clinker of portland cement high-aluminum or complex mineral binders with polymer additives of no more than 5% of the mixture used in the device of sexual coatings. Standard does not apply to thicker outdoor mixtures. GOST 31183-2003 is valid from 01.01.2009.
GOST 31358-2007
Group w13
Interstate standard
Dry construction mixtures outdoor on cement binder
Technical conditions
Dry Building Flooring Cement Binder Mixes. Specifications.
ISS 91.100.15
Date of introduction 2009-01-01
Preface
Objectives, basic principles and the main procedure for working on interstate standardization GOST 1.0-92 "Interstate standardization system. Basic provisions" and MSN 1.01-01-96 "system of interstate regulatory documents in construction. Basic provisions"
Information about standard
1 Developed by the State Educational Institution of Higher Professional Education "St. Petersburg State Architectural and Construction University" (SPBGAS) with the participation of the company "Maksit", Vacker Hemi Rus (Technical Center), ANO "Startininjest"
2 Submitted by the Technical Committee on Standardization TC 465 "Construction"
3 Adopted by the Interstate Scientific and Technical Commission for Standardization, Technical Registration and Certification in Construction (MNTKS) (Protocol No. 32 dated November 21, 2007)
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Short name of the country on MK (ISO 3166) 004-97 |
Country code on MK (ISO 3166) 004-97 |
Abbreviated name of the National Standardization Authority |
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Azerbaijan |
Gosstroy |
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Ministry of Urban Planning |
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Kyrgyzstan |
State Agency for Architecture and Construction under the Government |
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Construction and Territory Development Agency |
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Department of Regulation of the City Planning Activity of the Ministry of Regional Development |
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Uzbekistan |
State Architectstroy |
4 This standard complies with the European standard EN 13813: 2002 "Materials for alignment of floors and a device for alignment. Properties and requirements" (EN 13813: 2002 "Materials and Devices for Levelling of Floors. Materials for Leveling. Properties and Requirements") in terms of requirements To the indicators of mobility, resistance to wear, clutch strength with base (adhesion)
5 put into effect by the order of the Federal Agency for Technical Regulation and Metrology of April 2, 2008 N 75-ST as the National Standard of the Russian Federation from January 1, 2009
6 introduced for the first time
Information on the introduction (termination) of this standard and changes to it on the territory of the States mentioned above is published in the signs of national (state) standards issued in these states.
Information about the changes to this standard is published in the index (catalog) "Interstate Standards", and the text of the changes - in the information signs "Interstate Standards". In case of revision or cancellation of this Standard, the relevant information will be published in the information indicator "Interstate Standards"
1 area of \u200b\u200buse
This standard applies to dry building outdoor mixtures (hereinafter - floor mixtures), manufactured on a cement binder (based on portland cement and highly impressive clinker) or mixed (complex) mineral binders based on it, containing polymer additives in an amount not exceeding 5.0% Masses of the mixture intended for the device of floor elements (aligning and bearing mixtures) stacked by sealing or self-appropriate and applied during construction, reconstruction and repair of buildings and structures.
This standard does not apply to floor throat mixtures.
2 Regulatory references
This standard uses regulatory references to the following interstate standards:
GOST 4.212-80 System of product quality indicators. Building. Concretes. Nomenclature of indicators
GOST 4.233-86 System of product quality indicators. Building. Construction solutions. Nomenclature of indicators
GOST 166-89 caliper. Technical conditions
GOST 310.4-81 cements. Methods for determining the strength of bending and compression
GOST 427-75 Metal measuring rules. Technical conditions
GOST 5584-75 Limit-gear indicators with a division price of 0.01 mm. Technical conditions
GOST 5802-86 Construction solutions. Test methods
GOST 7473-94 Mixtures concrete. Technical conditions
GOST 8735-88 Sand for construction work. Test methods
GOST 10180-90 concrete. Methods for determining the strength of control samples
GOST 10181-2000 Mixtures concrete. Test methods
GOST 13015-2003 Reinforced concrete products and concrete products for construction. General technical requirements. Rules of acceptance, labeling, transportation and storage
GOST 13087-81 concretes. Methods for determining abrasability
GOST 17624-87 concrete. Ultrasonic strength determination method
GOST 22690-88 concrete. Determining the strength of non-destructive testing mechanical methods
GOST 24104-2001 Laboratory scales. General technical requirements
GOST 24544-81 concrete. Methods for determining shrinkage and creep deformations
GOST 28013-98 Construction solutions. General technical conditions
GOST 28570-90 concrete. Methods for determining the strength of samples selected from the designs
GOST 30108-94 Building materials and products. Definition of specific effective activity of natural radionuclides
GOST 30353-95 floors. Determination test method
GOST 30459-2003 Additives for concrete and mortars. Methods for determining efficiency
GOST 31189-2003 Dry construction mixtures. Classification
GOST 31356-2007 Dry construction mixtures on cement binder. Test methods
GOST 31357-2007 Mixtures dry construction on cement binder. General technical conditions
Note - When using this standard, it is advisable to check the action of reference standards in the state of the state on the appropriate indicator of standards compiled as of January 1 of the current year, and according to the relevant information signs published in the current year. If the reference standard is replaced (changed), then when using this standard should be guided by replacing (modified) standard. If the reference standard is canceled without replacement, the position in which the reference is given to it is applied in a portion that does not affect this link.
3 Terms and Definitions
This standard applies terms according to GOST 31189.
4 Technical requirements
4.1 Floor mixtures must comply with the requirements of this Standard, GOST 31357, regulatory or technical documents on specific types of floor mixtures and prepare on technological documentation approved by the manufacturer.
4.2 The properties of floor mixtures should be characterized by the quality indicators of mixtures in a dry state; Mixes ready for use and hardened solution (concrete).
4.2.1 The main indicators of the quality of floor mixtures in a dry state should be:
Humidity;
The greatest size of aggregate grains;
4.2.2 The main indicators of the quality of floor mixtures, ready for use, should be:
Mobility;
Water-holding ability (except self-adhesive mixtures);
Preserving of initial mobility.
4.2.3 The main indicators of the quality of the hardened mortar (concrete) should be:
Compressive strength and stretching under bending aged 1 (3) and 28 days;
Abrasability (wear resistance);
Adhesion strength with the base (adhesion) at the age of 7 and 28 days;
Frost resistance (for bearing mixtures, except for mixtures for internal works);
Shrinkage deformations (expansion);
Resistance to shock effects (for bearing mixtures).
If necessary, additional indicators may be installed according to GOST 4.212, GOST 4.233 or contract terms.
4.3 The conditional designation of floor mixtures should consist of the name of classification features in accordance with GOST 31189, the main technical indicators of mixtures and the designation of a regulatory or technical document on the floor mixtures of a particular type.
An example of the conventional designation of the dry floor disperse mixture on a cement binder, self-adaptive, brand via the rings of rings 4, a class for compressive strength in 30:
Dry outdoor dispersed mixture 4, B30, GOST 31358-2007
4.4 Requirements for dry outdoor mixtures
4.4.1 The humidity of dry floor mixtures must correspond to the GOST 31357.
4.4.2 The greatest size of the aggregate grains in floor mixtures is determined by the layer thickness outdoor coating And should not exceed 1/4 of its thickness.
4.5 Requirements for outdoor mixtures, ready to use
4.5.1 Mobility of mixtures ready for use, determine by:
The sediment of the OK cone - for concrete sealing mixtures;
Immersion of the cone P - for mortar compacted mixtures;
Split rings R - for dispersed self-adaptable mixtures.
Depending on the mobility, concrete sealing mixtures are divided into brands: P1, P2, P3, P4, P5 according to GOST 7473; The dissolves are separable mixtures on the brand: P1, P2, P3, P4 according to GOST 28013. The dispersed self-adaptable mixtures are divided into brands P1, P2, P3, P4, P5 in accordance with Table 1.
Table 1 - brands of dispersed self-adipose floor mixes on mobility
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Mobility brand P |
Cutting rings, see |
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From 10 to 12 included. |
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4.5.2 The preserving of the initial mobility of mixtures ready for use is determined by the time to preserve the initial mobility in minutes. The preserving of the initial mobility of mixtures should be at least a period of time during which the mixture is generated.
4.5.3 Water-holding ability of mixtures ready for use should be at least 95%.
4.6 Requirements for hardened solutions (concrete) from outdoor mixtures
4.6.1 The normalized indicators of the quality of solidified solutions (concrete) should be provided at design age under natural hardening at a temperature of 20 ° C-23 ° C and relative air humidity of 50% -60%.
Project age are taken depending on the binder used.
4.6.2 Depending on compression strength, classes (brands) of solidary solutions (concrete) are set at design age in accordance with Table 2.
Table 2 - classes (brands) for compressing hardened solutions (concrete) from floor mixtures
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Compression strength, MPa, not less |
4.6.3 For mixtures with accelerated hardening, compressive strength at the age of 1 day should be at least 30% of the project. For mixtures with normal hardening, compressive strength at the age of 3 days should be at least 30% of the project.
4.6.4 Class (Mark) By strength to compress hardened solutions (concrete) from floor bearing mixtures should not be lower than B15 (M 200).
4.6.5 Depending on the tensile strength during bending, classes of solidified solutions (concrete) are set at design age in accordance with Table 3.
Table 3 - classes for tensile strength during bending of hardened solutions (concrete) from floor mixtures
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Tensile strength at bending, MPa, not less |
4.6.6 Tensile strength with bending mixtures with accelerated timing of hardening at the age of 1 day should be at least 30% of the project; Mixtures with normal timing of hardening at the age of 3 days - at least 30% of the project.
4.6.7 Class By tensile strength during bending of solutions (concrete) from floor-bearing mixtures should not be lower than B3.2.
4.6.8 The abrasability of coatings made of floor mixtures, determined by the weight loss of samples, in accordance with the conditions for the operation of the floors of the floors and, depending on the intensity of the movement, should not exceed the values \u200b\u200bset by GOST 13015.
It is allowed to determine the abrasibility of coatings from floor mixtures in volume or depth of wear of the samples.
4.6.9 Classes of hardened solutions (concrete) Depending on the volume of wear, it is accepted according to Table 4.
Table 4 - Classes of hardened solutions (concrete) in terms of wear
4.6.10 Classes of hardened solutions (concrete) Depending on the depth of wear, they take on Table 5.
Table 5 - Classes of hardened solutions (concrete) in depth of wear
4.6.11 The adhesion strength (adhesion) of the solidified solution (concrete) with a concrete base at the age of 28 days should be at least 0.75 MPa for bearing mixtures, not less than 0.6 MPa - for leveling mixtures. The adhesion strength of the hardened mortar with a concrete base after 7 days should be at least 50% of the project.
4.6.12 High solid solutions (concretes) must be the following stamps on frost resistance: F50, F75, F100, F150, F200, F300, F400, F500.
4.6.13 Resistance to the shock effects of the hardened solution (concrete) should correspond to the values \u200b\u200bestablished by the standards of construction design, depending on the intensity of mechanical effects.
4.6.14 Deformation shrinkage of the hardened solution (concrete) should be no more than 1.0 mm / m, expansion - not more than 0.5 mm / m.
4.7 Requirements for materials for the manufacture of floor mixtures
Materials used to prepare dry outdoor mixtures must comply with the requirements of GOST 31357 and regulatory or technical documents for these materials.
4.8 Packaging and marking
4.8.1 Dry floor mixtures are packaged in packets made of polyethylene film, multilayer paper bags from kraft paper or with polyethylene liner, as well as bags with a capacity of more than 1 t (Big Bags). The mass of the mixture in the packages should not exceed 8 kg, in bags - 50 kg.
Packaging should prevent moisture access to mixtures from the surrounding air.
4.8.2 The labeling of floor mixtures is applied to each unit of packaging in any part of it. Marking must be distinct and contain:
Name of the manufacturer and (or) its trademark, address;
Conditional designation of the mixture;
Production date (month, year);
Shelf life;
Mass of the mixture in the bag (package), kg;
A brief instruction for use with the volume of water required for the preparation of a solution (concrete) mixture of the required mobility, l / kg.
If necessary, the marking may contain additional data that allows you to more fully identify the products.
5 Safety and Environmental Requirements
5.1 Dry outdoor mixtures are non-combustible, fire and explosion-proof materials.
5.2 Sanitary and radiation-hygienic safety of mixtures are established on the basis of the sanitary and epidemiological conclusion of authorized state sanitary supervision authorities and evaluate the safety of mixtures or their components.
The safety of mineral components of mixtures (cement, aggregates, fillers, pigments) is estimated by the content of radioactive substances, chemical additives - by their sanitary and hygienic characteristics.
5.3 The mixtures should not be separated into the external environment, harmful chemicals in quantities exceeding the maximum permissible concentrations (MPC) approved by the health authorities.
5.4 It is forbidden to drop dry mixtures, as well as waste from flushing equipment in sanitary and sewage water reservoirs.
6 Rules acceptance
6.1 Acceptance of dry floor mixtures are carried out in accordance with the requirements of GOST 31357 and this standard.
6.2 The volume of the batch is established by consumer coordination, but no more daily production of the mixing unit.
6.3 In the receiving and trial tests of each batch of mixtures determine the humidity, the greatest size of the aggregate grains and the content of the greatest grains for dry mixtures, ready for use, mobility and water-holding ability - for dissolved (concrete) mixtures, prepared for use, compression strength - for hardened solutions (concrete).
Upon receipt of unsatisfactory results of acceptance tests, at least one indicator conducts repeated tests on a double amount of products taken from the same batch. Results of repeated tests are final and distributed to the entire batch.
The batch of the floor mixture is married if the mixture is at least one indicator does not comply with the requirements of this standard.
6.4 During periodic tests, it is determined by: preserving of initial mobility, tensile strength during bending, clutch strength with base and abrasibility (wear resistance) - no less than once a month; Resistance to impacts, frost resistance, shrinkage deformation (expansion) - at least once every 6 months, as well as when changing the quality of the source materials, mixtures and manufacturing technology.
The results of periodic tests apply to all the supplied batch of dry mixtures before the following periodic tests.
6.5.
6.6 The radiation-hygienic assessment of mixtures is allowed to be carried out on the basis of passport data suppliers of mineral materials used for the manufacture of mixtures, the content of natural radionuclides in these materials.
In the absence of the provider's data on the content of natural radionuclides in the source materials, the mixture manufacturing enterprise is at least once a year, as well as each shift of the supplier determines the content of natural radionuclides in materials and / or mixtures.
6.7 The consumer has the right to conduct a control inspection of the quality of mixtures in accordance with the requirements and methods established in this Standard.
6.8 Each batch of the supplied mixture must be accompanied by a document on the quality in which:
Name of the manufacturer;
Name and symbol of the mixture;
Party number;
Number and date of issuance of a document on quality;
Batch volume, kg (t);
Values \u200b\u200bof the basic indicators of the quality of mixtures;
Specific effective activity of natural radionuclides in floor mixtures;
The designation of the regulatory or technical document, in accordance with which the floor mixture is manufactured.
In export-import operations, the content of the quality of the quality of the quality is specified in the contract for the supply of a dry mixture.
7 Test Methods
7.1 Sampling dry floor mixture for testing is carried out in accordance with GOST 31356.
7.2 Humidity, the greatest size of aggregate grains and the content of grains of the greatest size of floor mixtures are determined according to GOST 8735.
7.3 Mobility, water reducing ability and continuability of the initial mobility of mortar mixtures are determined according to GOST 5802.
The mobility of dispersed mixtures is determined according to GOST 31356.
7.4 Mobility and preserves of the initial mobility of concrete mixtures are determined by GOST 10181.
7.5 Compressive strength and stretching during bending of hardened solutions (concrete) are determined on control samples according to GOST 310.4 or GOST 10180; On samples selected from structures - according to GOST 28570 or methods of non-destructive testing - according to GOST 22690 or GOST 17624.
7.6 Frost resistance and adhesion strength with concrete base of hardened solutions (concrete) are determined according to GOST 31356.
7.7 The shrinkage deformation (expansion) of hardened solutions (concrete) is determined according to GOST 24544 in terms: 1, 3, 7, 28 days.
7.8 Resistance to the impacts of hardened solutions (concrete) is determined according to GOST 30353.
7.9 The specific effective activity of natural radionuclides in the starting materials for the preparation of mixtures or directly in the mixtures is determined by GOST 30108.
7.10 Materials for the preparation of mixtures are tested in accordance with the requirements of regulatory or technical documents for these materials.
Test methods for the preparation of floor mixtures should be indicated in the technological documentation for the preparation of the floor mixture.
The effectiveness of the supplements used is determined according to GOST 30459.
7.11 Determination of abrasion (wear)
7.11.1 Testing and auxiliary devices
Circle of abrasion type LCA-2, LCI-3 or Bem according to GOST 13087.
Scales according to GOST 24104 with the limit of the permissible error ± 0.01
Calcarculus according to GOST 166.
Metal ruler according to GOST 427.
Indicator according to GOST 5584.
Abrasive material (corundum) with grain size from 160 to 200.
7.11.2 Preparation for testing
7.11.2.1 For tests, samples - Cubes are made, the size of the ribs of which is 70 mm, or cylinders with a diameter and a height of 70 mm, weathered at least 28 days according to the following mode:
2 days in the form at a temperature (20 ± 2) ° C;
5 days after platforming with humidity (95 ± 5)% and temperature (20 ± 2) ° C and further 21 days at humidity (65 ± 5)% and temperature (20 ± 2) ° C.
Samples are manufactured according to GOST 10180 or cut out of the floor design. If the height of the samples cut out of the floor design, less than 70 mm, the samples are increasing to the required thickness with metal-valued plates or a gypsum dough from the face opposite to the abrasion.
7.11.2.2 Samples are experiencing. The number of samples in the series should be at least three.
7.11.2.3 The air temperature in the room in which tests must be (25 ± 10) ° C, the relative humidity of the air - (50 ± 20)%.
7.11.2.4 Before testing, the samples cut out of the design are withstanding at least 2 days indoors with the temperature and humidity conditions specified in 7.11.2.3.
7.11.2.5 Abrasion is subjected to the lower face of samples made in forms, or the upper face of samples cut out of the design. Before testing, the samples are weighed with an error of ± 0.01 g, measured with an error to 0.1 mm and determine the area of \u200b\u200bthe abrasion.
The deviation from the planeness of the abrasion face should not exceed 0.05 mm per 100 mm of the facet length. Deviation from flatness is determined by GOST 10180, Appendix 5.
7.11.2.6 To determine abrasion in depth depth Carefully purified sample Before conducting tests, installed by an abrasive face up onto a flat horizontal surface and measured with a thickness indicator in nine points (see Figure 1) with an error of no more than 0.01 mm.
Figure 1 - Sample thickness measurement points
To determine abrasion in terms of wear, samples are measured with an error of no more than 0.1 mm, weighed with an error of no more than 0.1 g and determine the average density.
7.11.3 Testing
7.11.3.1 Samples are installed in the abrasion circle nests, ensuring their free movement in the vertical plane.
Each sample is applied a focused vertical load (300 ± 5) H corresponding to the pressure (60 ± 1) kPa.
7.11.3.2 The first portion of the abrasive material mass (20 ± 1) g was poured onto the abrasive disk to the first 30 m of the abrasion of each sample.
Include the wheel drive and abrasion. Every 30 m abrasion path passed by samples (22 turns on the abrasive circle of bemp or 28 revolutions - on the circle of LCA-2 or LCI-3), the abrasive disc stop and replace the abrasive material. The specified operation is repeated five times, which is one test cycle (150 m way).
7.11.3.3 After each test cycle, the samples rotate 90 ° in the horizontal plane around the vertical axis and the following test cycles are carried out. The number of test cycles must be at least four for each sample ( total way abrasion - 600 m).
After four test cycles, the samples wipe the dry cloth and weighed with an error of ± 0.01 g.
The thickness and volume of samples after abrasion are determined by 7.11.2.6.
7.11.4 Test results processing
7.11.4.1 The abrasability for the loss of mass of each sample in the series, g / cm, is determined by the formula.
It is allowed to transport the mixtures in silos with a capacity of 3-18 tons, subject to the fulfillment of the requirements 8.1.2.
8.1.2 The use of mixtures transportation means should exclude the possibility of atmospheric precipitation, as well as ensure the protection of packaging from mechanical damage and integrity.
8.2 Storage
8.2.1 Outdoor mixtures should be stored in covered dry warehouses in a packed form, not allowing their moisturizing and ensuring the safety of the packaging.
8.2.2 Warranty period for storing packed mixtures during storage in accordance with 8.2.1 - 6 months from the date of manufacture.
The shelf life of the mixtures transported in silos is 3 months from the date of manufacture.
Upon expiration of the storage period, the mixture must be verified for compliance with the requirements of this Standard. In the case of compliance, the mixture is allowed to be used for its intended purpose.
Electronic document text
prepared CJSC Codex and drilled by:
official edition
M.: Standinform, 2008