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STATE STANDARD OF THE USSR UNION

BUILDING SOLUTIONS
GENERAL TECHNICAL CONDITIONS

GOST 28013-89

STATE CONSTRUCTION COMMITTEE OF THE USSR

STATE STANDARD OF THE USSR UNION

Date of introduction 07/01/89

This standard applies to mortars used for masonry, installation of building structures, facing and plastering works in various operating conditions.

The standard does not apply to heat-resistant, chemical-resistant and stress-resistant solutions.

The standard establishes technical requirements for construction mortars and materials for their preparation, as well as rules for acceptance and control of mortar quality indicators and transportation rules.

1.3.3. The water-holding capacity of a freshly prepared mortar mixture, determined in laboratory conditions, must be no less than:

90% - for mortar mixtures prepared in winter conditions;

95% - for mortar mixtures prepared in summer conditions.

The water-holding capacity of the mortar mixture, determined at the work site, must be at least 75% of the water-holding capacity established in laboratory conditions.

1.3.4. The stratification of a freshly prepared mortar mixture should be no more than 10%.

1.3.5. Deviation of the average density of the mortar mixture towards increase is allowed no more than 10% of that established by the project. When using air-entraining additives, the density reduction should not exceed 6%.

1.3.6. The compositions of mortar mixtures must be selected in such a way as to ensure the production of mortar mixtures with the specified properties at the lowest consumption of binder.

1.3.7. It is prohibited to add water (with or without cement) to set mortar mixtures, including frozen mixtures heated with hot water when working in winter conditions.

1.3.8. Dry mortar mixtures (Appendix 1) prepared in factories must have a moisture content of no more than 0.1% by weight.

1.3.9. It is necessary to introduce complex additives given in Appendix 2 into dry gypsum plaster mixtures (GPS) to slow down the setting time and plasticization of the mortar mixture.

1.3.10. When preparing mortar mixtures, the dosage of binders and fillers should be done by weight, and water and additives in liquid form - by weight or volume and adjusted when the properties included in the mortar mixture of materials change. Porous aggregates can be dosed by volume with correction by weight. The dosing error should not exceed:

±2% - for binders, water, dry additives, working solution of liquid additives;

±2.5% - for filler.

Dosing devices must meet the requirements of GOST 10223. The temperature of solutions used in winter must be at least 5°C. Water for solutions must have a temperature of no more than 80°C.

1.3.11. Mortar mixtures must be prepared in cyclic or continuous type mixers, gravitational or forced.

1.4. Characteristics of solutions

1.4.1. The main indicators of the quality of the solution (Appendix 1) are:

compressive strength;

frost resistance;

average density.

1.4.2. Depending on the operating conditions of the structure of buildings and structures, it is allowed to establish additional requirements for the quality indicators of the solution, provided for by the GOST 4.233 nomenclature.

1.4.3. The strength of the solution is characterized by grades based on its axial compressive strength at the age of 28 days. The grade of axial compressive strength of the mortar is assigned and monitored in all cases.

The following grades of compressive strength are established for the mortar: M4; M10; M25; M50; M75; M100; M150; M200.

1.4.4. For a solution subjected to alternate freezing and thawing, in a moistened state in the structures of buildings and structures, frost resistance grades are assigned and controlled: F10; F15; F25; F35; F50; F75; F100.

Solutions must meet the frost resistance requirements established by the standard.

1.4.5. Based on average density, solutions are divided into:

heavy (with an average density of 1500 kg/m 3 or more);

light (with an average density of less than 1500 kg/m3).

The normalized value of the average density of solutions is set by the consumer in accordance with the work project. The deviation of the average density of the solution is allowed no more than 10% from that established by the project.

1.5. Requirements for materials for the preparation of mortars

1.5.1. Materials used for the preparation of mortar mixtures must meet the technical requirements of this standard and comply with the requirements of standards or technical specifications for these materials.

1.5.2. Cement for preparing mortar mixtures must meet the requirements of GOST 25328 or GOST 10178, lime - GOST 9179, gypsum - GOST 125, sand - GOST 8736, sand from thermal power station slag - GOST 26644, fly ash - GOST 25818, hydraulic removal ash - TU 34- 31-16502, water for mixing mortar mixtures and preparing additives - GOST 23732, blast furnace slag - GOST 3476.

1.5.3. Depending on the type and purpose of mortars, different types of aggregate should be used.

1.5.4. The humidity of the aggregates and the temperature of the mixture (if necessary) are determined when selecting and adjusting the composition.

1.5.5. As a filler in plaster mortars, sand should be used for construction work with a fineness module from 1 to 2. In mortars for spraying and soil, sand with a grain size of no more than 2.5 mm should be used, and for the finishing layer - no more 1.25 mm.

1.5.6. Sand and ash used to prepare the solution should not contain frozen lumps larger than 1 cm in size, as well as ice. When heating sand, its temperature should not exceed 60°C.

1.5.7. For light solutions, as a filler, porous expanded sands (vermiculite, perlite, expanded clay, shungizite) from slag pumice, aglonirite according to GOST 19345, fly ash according to GOST 25818, ash component of ash for hydraulic removal of ash and slag mixture according to TU 34-31 should be used -16502.

1.5.8. For decorative mortars, various fillers can be used, for example, washed quartz sands and crushed rock chips (granite, marble, ceramic, coal, plastic) with a grain size of no more than 2.5 mm.

For colored plasters used on facades and interiors, it is allowed to use granite, glass, ceramic, coal, slate, plastic chips with a particle size of 2-5 mm.

1.5.9. To prepare colored cement-sand plaster mortars, colored cements should be used in accordance with GOST 15825, natural or artificial pigments in accordance with GOST 8135, GOST 18172, GOST 12966.

1.5.10. To obtain mobile and non-stratified mortar mixtures, as well as to accelerate the growth of mortar strength, increase frost resistance, etc., various types of additives (plasticizing, air-entraining, accelerating and retarding setting and hardening, antifreeze, etc.) and complexes must be introduced into their composition based on them in accordance with GOST 24211 and appendices 3, .

The choice of chemical additives should be made depending on the required design characteristics of the mortar mixture.

Chemical additives should not cause harmful consequences during the operation of buildings (destruction of materials, corrosion of reinforcement, efflorescence, etc.).

It is allowed to use inorganic plasticizing additives in cement mortars (clay, lime, cement dust captured during clinker production, carbide sludge, fly ash from hydroelectric power plants, ash and slag mixtures, sludge from treatment facilities of metallurgical production) and organic plasticizers-micro-foaming agents that meet the requirements of the relevant standards for materials. The amount of additive is determined by experimental batches in laboratories.

2. ACCEPTANCE

2.1. Mortar mixtures must be accepted by the technical control of the manufacturer.

2.2. Dosing and preparation of the mortar mixture should be monitored once per shift.

2.3. Mortar mixtures are taken in batches. A batch is taken to be the amount of mortar mixture of one composition prepared during one shift.

2.4. The manufacturer is obliged to inform the consumer of the test results of control samples of the solution upon his request.

The consumer has the right to control the quality of the mortar mixture and solution in accordance with the requirements of this standard.

2.5. The release of the mortar mixture by the manufacturer and its acceptance by the consumer is carried out by volume, and the dry mortar mixture - by weight.

2.6. The manufacturer must accompany the mortar mixture released into the vehicle with a quality document indicating:

name and address of the manufacturer;

date and time (hours, minutes) of preparation of the mixture;

brand of solution;

type of binder;

amount of mixture;

mobility of the mixture;

name and quantity of additives;

designation of this standard.

In the quality document for a batch of mortar mixture on porous aggregates, it is additionally necessary to indicate the average density of the mortar in the hardened, dried state.

The quality document must be signed by a representative of the manufacturer responsible for technical control.

When the solution is supplied in the form of a dry mixture, indicate the amount of water required to mix the mixture to the required mobility.

2.7. The mortar mixture’s water-holding capacity and delamination, and the mortar’s frost resistance are assessed when selecting each mortar composition, and subsequently at least once every 6 months, as well as when changing the composition of the mortar or the characteristics of the materials used.

2.8. If, when checking the quality of a mortar, it turns out that it does not meet at least one of the technical requirements of the standard, the batch of mortar is rejected.

2.9. From each batch of the mortar mixture, the manufacturer's laboratory must take control samples to determine the mobility and average density of the mortar mixture, compressive strength and average density of the solution according to GOST 5802.

2.10. Dosing and preparation of the mortar mixture should be monitored once per shift.

3. CONTROL METHODS

3.1. The mobility, average density, delamination, water-holding capacity of the mortar mixture, as well as the compressive strength, average density and frost resistance of the mortar are controlled according to GOST 5802.

3.2. The quality of the mortar mixture and solution according to the indicators specified in the consumer’s technical requirements and not specified in clauses 1.3.1 and 1.4.1 is controlled by agreement between the manufacturer and the consumer.

3.3. Samples of the mortar mixture should be taken according to GOST 5802.

3.4. Dispensers should be checked in accordance with GOST 8.469, GOST 8.523.

3.5. The temperature of the transported mortar mixture is measured with a technical thermometer in accordance with GOST 2823, immersing it in the mixture to a depth of at least 5 cm.

4. TRANSPORTATION AND STORAGE

4.1. Mortar mixtures must be delivered to the consumer in vehicles that eliminate the loss of laitance. It is allowed to transport the mortar mixture in bunkers (tubs) on vehicles and railway platforms.

4.2. Dry mortar mixtures must be delivered to the consumer in cement trucks, containers or special bags: paper weighing up to 40 kg, polyethylene weighing up to 8 kg, protecting the mixtures from moisture. Dry mixtures packed in bags are placed on wooden pallets, and plastic bags are placed in special containers.

Bags of dry mixture should be stored in dry, indoor areas at a temperature not lower than 5°C.

4.43. The mortar mixture delivered to the construction site must be unloaded into a loader-mixer. Unloading into other containers is allowed provided that the specified properties of the mortar mixture are maintained.

5.MANUFACTURER WARRANTY

5.1. The manufacturer must ensure that the ready-to-use mortar mixture, including the dry mixture, complies with the requirements of this standard.

5.2. The guaranteed shelf life of dry mortar mixtures is 6 months. from the day of their preparation.

ANNEX 1
Information

TERMS USED IN THIS STANDARD AND THEIR EXPLANATIONS

Mortar combines the concepts of mortar mixture, dry mortar mixture, and mortar.

Mortar mixture is a mixture of binder, fine aggregate, binder and necessary additives, thoroughly mixed, ready for use.

Dry mortar mixture- this is a mixture of dry components of binder, filler and additives, dosed and mixed at the factory, mixed with water before use.

Solution- This is an artificial stone-like material, which is a hardened mixture of binder, fine aggregate, binder and necessary additives.

APPENDIX2
Mandatory

Brands of mortar mixture by mobility

Brand according to the mobility of the mortar mixture	Mobility norm, cm	Purpose of the mortar mixture
	From 1 to 4 incl.	Vibrated rubble masonry
	St. 4 to 8 inclusive.	Rubble masonry is ordinary, made of hollow bricks and stones. Installation of walls made of large blocks and panels, jointing of horizontal and vertical joints in walls made of panels and blocks, cladding work
	St. 8 to 12 incl.	Masonry of ordinary bricks and various types of stones, plastering and facing works.
		Filling voids in rubble masonry

APPENDIX3
Information

Type of additives according to GOST 24211	Brand or name	Symbol
Superplasticizing	Diluent S-3
Plasticizing	Technical lignosulfonates
			See Appendix 4
	Molasses evaporated post-yeast stillage
Stabilizing	Polyoxyethylene		TU 6-05-231-312(NF)
Water-retaining	Methylcellulose Carboxylmethylcellulose
	Polyvinyl alcohol
Setting retarders	Nitrilotrimethylenephosphonic acid Feed molasses (molasses)		TU 18-RSFSR-409
Accelerating	Sodium sulfate		GOST 6318, TU 38-10742
hardening	Calcium nitrate
	Calcium nitrite nitrate
	Calcium chloride
	Nitrite-nitrate-calcium chloride
Anti-frost	Sodium nitrite		GOST 19906, TU 38-10274
	Urea (urea)
	Technical pentaerythritol filtrate		TU 6-05-231-332
Air-entraining	Neutralized air-entraining resin		TU 81-05-75-74
	Saponified wood resin
	Sulfanol
Plasticizing air-entraining	Soap lye Alkaline effluent from caprolactam production		TU 18-RSFSR-780
	Neutralized black contact
	Saponified water-soluble resin
	Modified synthetic surfactant additive
Hydrophobilizing*	Phenylethoxysiloxane
Sealing*	Ferric chloride
	Aluminum sulfate
Bactericidal*	Katapin bactericide
Gas-forming*	Polyhydrosiloxanes
		(b. GKM-94m)

*Used in special cases

APPENDIX4
Information

Modified technical lignosulfonates recommended for mortars

Type of additives	Symbol	Designation of standards and specifications
Technical modified lignosulfonates		TU OP 13-62-185
Modified distillery concentrate		TU 69-USSR-71
Lignosulfonate plasticizer		TU OP 13-62-199
Technical liquor lignosulfonates		TU OP 13-63-66
Additive for concrete and mortars
Concrete mix plasticizer NIL-20
Complex organic additive for plasticization of building concrete and mortars
Calcium chrome lignosulfonates

INFORMATION DATA

1. DEVELOPED AND INTRODUCED by the State Construction Committee of the USSR

PERFORMERS

G.N. Brusentsov, Ph.D. tech. Sciences (topic leader); I.A. Spasskaya, Ph.D. physics and mathematics sciences; G.M. Kirpichenkov, Ph.D. tech. sciences; E.B. Madorsky, Ph.D. tech. sciences; S.A. Vorobyova, Ph.D. tech. sciences; G.A. Zakharchenko, Ph.D. tech. sciences; G.M. Batarina, Ph.D. tech. sciences; M.I. Brousser, Ph.D. tech. sciences; THEM. Drobyashchenko, Ph.D. tech. sciences; V.R. Falikman, Ph.D. chem. sciences, DI. Prokofiev, M.I. Shimanskaya

2. APPROVED AND ENTERED INTO EFFECT by Resolution of the State Construction Committee of the USSR dated January 13, 1989 No. 7

3. INTRODUCED FOR THE FIRST TIME

4. REFERENCE REGULATIVE AND TECHNICAL DOCUMENTS

	Item number, application
GOST 4.233-86
GOST 8.469-82
GOST 8.523-85

	Appendix 3
GOST 2081-75	Appendix 3
GOST 2823-73
GOST 3476-74
GOST 5802-86
GOST 6318-77	Appendix 3
GOST 8135-74
GOST 8736-85
GOST 9179-77
GOST 10178-85
GOST 10223-82
GOST 10690-73	Appendix 3
GOST 10834-76	Appendix 3
GOST 11159-76	Appendix 3
GOST 12966-85	1.5.9, Appendix 3
GOST 15825-80
GOST 18172-80
GOST 19345-83
GOST 19906-74	Appendix 3
GOST 23732-79
GOST 24211-80	1.5.10, Appendix 3
GOST 25328-82
GOST 25818-83
GOST 26644-85
OST 13-183-83	Appendix 3
OST 13-287-85	Appendix 4
OST 18-126-73	Appendix 3
TU 6-01-166-74
TU 6-01-1001-75
TU 6-01-1026-75
TU 6-02-995-80
TU 6-02-1171-79
TU 6-03-367-79
TU 6-03-704-74
TU 6-05-231-312 (NF)-80
TU 6-05-231-332-86
TU 6-05-386-80
TU 6-05-1857-78
TU 6-14-625-80
TU 6-18-194-76

TU 13-03-488-84
TU 13-04-602-81	Appendix 4
TU 13-05-02-83	Appendix 3
TU OP 13-62-185-84	Appendix 4
TU OP 13-62-199-85
TU OP 13-63-66-82
TU 18-17/63-84
TU 18-RSFSR-409-71	Appendix 3
TU 18-RSFSR-780-78
TU 34-31-16502-87
TU 38-10274-73	Appendix 3
TU 38-10742-78
TU 38-30318-84
TU 38-101615-76
	Appendix 4
TU 69-USSR-71-82
TU 81-05-75-74	Appendix 3
TU 81-05-94-73

INTERSTATE SCIENTIFIC AND TECHNICAL COMMISSION FOR STANDARDIZATION, TECHNICAL REGULATION AND CERTIFICATION IN CONSTRUCTION (INTKS)

Preface

1 DEVELOPED by the State Central Research and Design Institute of Complex Problems of Building Structures and Structures named after. V.A. Kucherenko (TsNIISK named after V.A. Kucherenko), Research, Design and Technological Institute of Concrete and Reinforced Concrete (NIIZhB), with the participation of JSC "Pilot Plant of Dry Mixes" and JSC "Rosconitstroy" of the Russian Federation

INTRODUCED by the State Construction Committee of Russia

2 ADOPTED by the Interstate Scientific and Technical Commission for Standardization, Technical Regulation and Certification in Construction (MNTKS) on November 12, 1998.

State name	Name of the state construction management body
Republic of Armenia	Ministry of Urban Development of the Republic of Armenia
The Republic of Kazakhstan	Committee on Housing and Construction Policy under the Ministry of Energy, Industry and Trade of the Republic of Kazakhstan
Republic of Kyrgyzstan	State Inspectorate for Architecture and Construction under the Government of the Kyrgyz Republic
The Republic of Moldova	Ministry of Territorial Development, Construction and Communal Services of the Republic of Moldova
Russian Federation	Gosstroy of Russia
The Republic of Tajikistan	State Construction Committee of the Republic of Tajikistan
The Republic of Uzbekistan	State Committee for Architecture and Construction of the Republic of Uzbekistan

3 IN REPLACE GOST 28013-89

4 ENTERED INTO EFFECT on July 1, 1999 as a state standard of the Russian Federation by Decree of the State Construction Committee of Russia dated December 29, 1998 No. 30

Interstate standard

Date of introduction 1999-07-01

1 area of use

This standard applies to mortars with mineral binders used for masonry and installation of building structures during the construction of buildings and structures, fastening cladding products, and plaster.

The standard does not apply to special solutions (heat-resistant, chemically resistant, fire-resistant, heat and waterproofing, grouting, decorative, tensile, etc.).

The requirements set out in 4.3-4.13, 4.14.2-4.14.14, sections 5-7, appendices B and D of this standard are mandatory.

2 Normative references

The normative documents used in this standard are given in Appendix A.

3 Classification

3.1 Construction mortars are classified according to:

Main purpose;

The binder used;

Medium density.

3.1.1 According to their main purpose, solutions are divided into:

Masonry (including for installation work);

Facing;

Plastering.

3.1.2 According to the binders used, solutions are divided into:

Simple (on one type of binder);

Complex (on mixed binders).

3.1.3 Based on average density, solutions are divided into:

Heavy;

- lungs.

3.2 The designation of a mortar when ordering must consist of an abbreviated designation indicating the degree of readiness (for dry mortar mixtures), purpose, type of binder used, grades for strength and mobility, average density (for light mortars) and the designation of this standard.

An example of a symbol for a heavy mortar, ready-to-use, masonry, on lime-gypsum binder, strength grade M100, mobility grade P to 2:

Masonry mortar, lime-gypsum, M100, P to 2, GOST 28013-98.

For a dry mortar mixture, light, plaster, on a cement binder, grade M50 in strength and mobility-P to 3, medium density D900:

Dry mortar plaster mixture, cement, M50, P to 3, D900, GOST 28013-98.

The standard applies to mortars with mineral binders used for masonry and installation of building structures during the construction of buildings and structures, fastening cladding products, and plaster.
The standard does not apply to special solutions (heat-resistant, chemical-resistant, fire-resistant, heat- and waterproofing, grouting, decorative, tensile, etc.).

Designation:	GOST 28013-98*
Russian name:	Construction solutions. General technical conditions
Status:	active
Replaces:	GOST 28013-89 “Building mortars. General technical conditions"
Date of text update:	01.10.2008
Date added to the database:	01.02.2009
Effective date:	01.07.1999
Designed by:	TsNIISK them. V.A. Kucherenko 109389, Moscow, 2nd Institutskaya st., 6 NIIZHB 109428, Moscow, 2nd Institutskaya st., 6 JSC "Pilot Plant of Dry Mixes" JSC "Rosconitstroy"
Approved:	Gosstroy of Russia (December 29, 1998) MNTKS (11/12/1998)
Published:	State Unitary Enterprise TsPP No. 1999

GOST 28013-98

INTERSTATE STANDARD

BUILDING SOLUTIONS

General technical conditions

INTERSTATE SCIENTIFIC AND TECHNICAL COMMISSION
ON STANDARDIZATION, TECHNICAL REGULATION
AND CERTIFICATION IN CONSTRUCTION (MNTKS)

Moscow

Preface

VNESENGosstroy of Russia

2 ADOPTED by the Interstate Scientific and Technical Commission for Standardization, Technical Regulation and Certification in Construction (INTKS) on November 12, 1998.

State name	Name of the state construction management body
Republic of Armenia	Ministry of Urban Development of the Republic of Armenia
The Republic of Kazakhstan	Committee on Housing and Construction Policy under the Ministry of Energy, Industry and Trade of the Republic of Kazakhstan
Republic of Kyrgyzstan	State Inspectorate for Architecture and Construction under the Government of the Kyrgyz Republic
The Republic of Moldova	Ministry of Territorial Development, Construction and Communal Services of the Republic of Moldova
Russian Federation	Gosstroy of Russia
The Republic of Tajikistan	State Construction Committee of the Republic of Tajikistan
The Republic of Uzbekistan	State Committee for Architecture and Construction of the Republic of Uzbekistan

3 INSTEAD GOST 28013-89

4 ENTERED INTO EFFECT on July 1, 1999 as a state standard of the Russian Federation by Decree of the State Construction Committee of Russia dated December 29, 1998 No. 30

INTERSTATE STANDARD

BUILDING SOLUTIONS

General technical conditions

Date of introduction 1999-07-01

1 area of use

The standard does not apply to special solutions (heat-resistant, chemical-resistant, fire-resistant, heat- and waterproofing, grouting, decorative, tensile, etc.).

The requirements set out in ,, , and this standard are mandatory.

2 Normative references

The normative documents used in this standard are given in.

3 Classification

3.1 Construction mortars are classified according to:

Main purpose;

The binder used;

Medium density.

3.1.1 According to their main purpose, solutions are divided into:

Masonry (including for installation work);

Facing;

Plastering.

3.1.2 According to the binders used, solutions are divided into:

Simple (on the same type of binder);

Complex (on mixed binders).

3.1.3 Based on average density, solutions are divided into:

Heavy;

Lungs.

An example of a symbol for a heavy mortar, ready-to-use, masonry, on a lime-gypsum binder, strength grade M100, mobility - P to 2:

Masonry mortar, lime-gypsum, M100, P to 2, GOST 28013-98.

For dry mortar mixture, light, plaster, on a cement binder, strength grade M50 and workability - P to 3, medium density D 900:

Dry mortar-plaster mixture, cement, M50, P k 3, D900, GOST 28013-98.

4 General technical requirements

4.1 Construction mortars are prepared in accordance with the requirements of this standard according to the technological regulations approved by the manufacturer.

4.2 Properties of mortars include the properties of mortar mixtures and hardened mortar.

4.2.1 Basic properties of mortar mixtures:

Mobility;

Water holding capacity;

Delamination;

Application temperature;

Medium density;

Humidity (for dry mortar mixtures).

4.2.2 Basic properties of the hardened solution:

Compressive strength;

Frost resistance;

Medium density.

If necessary, additional ones can be installed

indicators according to GOST 4.233.

Norm of mobility for cone immersion, cm

P to

From 1 to 4 incl.

P to 2

St. 4 "8"

P to 3

» 8 » 12 »

P to 4

"12" 14"

4.4 The water-holding capacity of mortar mixtures must be at least 90%, for clay-containing solutions - at least 93%.

4.5 The stratification of freshly prepared mixtures should not exceed 10%.

4.6 The mortar mixture should not contain fly ash more than 20% of the cement mass.

4.7 The temperature of mortar mixtures at the time of use should be:

a) masonry mortars for external work - in accordance with the instructions;

b) facing mortars for facing with glazed tiles at a minimum outside air temperature, °C, not less than:

from 5 and above................................................... ..................................15;

c) plaster mortars at minimum outdoor temperature, °C, not less than:

from 0 to 5........................................................ .........................................15

from 5 and above................................................... ....................................10.

table 2

	temperature of the mortar mixture, °C, not less
	Masonry material
	brick		stones
	at wind speed, m/s
	until 6	St. 6	until 6	St. 6
Up to minus 10
From minus 10 to minus 20
Below minus 20
Note - For masonry mortar mixtures during installation work, the temperature of the mixture should be 10 °C higher than indicated in the table

4.8 The moisture content of dry mortar mixtures should not exceed 0.1% by weight.

4.9 Standardized indicators of the quality of the hardened mortar must be ensured at the design age.

The design age of a solution, unless otherwise specified in the design documentation, should be taken as 28 days for solutions with all types of binders, except for gypsum and gypsum-containing ones.

The design age of solution for gypsum and gypsum-containing binders is 7 days.

4.10 The compressive strength of mortars at design age is characterized by the following grades: M4, M10, M25, M50, M75, M100, M150, M200.

The compressive strength grade is assigned and controlled for all types of mortars.

4.11 The frost resistance of solutions is characterized by grades.

The following frost resistance grades have been established for solutions: F 10, F 15, F 25, F 35, F 50, F 75, F 100, F 150, F 200.

For mortars of compressive strength grades M4 and M10, as well as for mortars prepared without the use of hydraulic binders, frost resistance grades are not assigned or controlled.

4.12 Average density, D ,hardened solutions at design age should be, kg/m 3

Heavy solutions........................................................ ................................1500 or more

Light solutions......................................................... ....................................less than 1500.

The normalized value of the average density of solutions is set by the consumer in accordance with the work project.

4.13 Deviation of the average density of the solution towards an increase is allowed no more than 10% of that established by the project.

4.14 Requirements for materials for the preparation of mortars

4.14.1 Materials used for the preparation of mortars must comply with the requirements of standards or technical specifications for these materials, as well as the requirements of this standard.

Gypsum binders according to GOST 125;

Construction lime according to GOST 9179;

Portland cement and Portland slag cement according to GOST 10178;

Pozzolanic and sulfate-resistant cements according to GOST 22266;

Cements for mortars according to GOST 25328;

Mortar mixtures containing air-entraining, foaming and gas-forming additives are not additionally mixed before testing.

5.4.3 Testing of the mortar mixture, ready for use, should begin during the period when the normalized mobility is maintained.

5.5 The mobility and average density of the mortar mixture in each batch is monitored at least once per shift by the manufacturer after unloading the mixture from the mixer.

The humidity of dry mortar mixtures is controlled in each batch.

The strength of the solution is determined in each batch of the mixture. Standardized technological indicators of the quality of mortar mixtures provided for in the supply contract (average density, temperature, delamination, water-holding capacity) and frost resistance of the mortar are monitored within a time frame agreed with the consumer, but at least once every 6 months, as well as when the quality of the starting materials and the composition of the mortar changes. and technology for its preparation.

5.6 Radiation-hygienic assessment of materials used for the preparation of mortar mixtures is carried out according to quality documents issued by enterprises that supply these materials.

In the absence of data on the content of natural radionuclides, the manufacturer determines the specific effective activity of natural radionuclides A eff of materials according to GOST 30108 once a year, as well as at each change of supplier.

5.7 Ready-to-use mortar mixtures are dispensed and taken by volume. The volume of the mortar mixture is determined by the output of the mortar mixer or by the volume of the transport or measuring container. Dry mortar mixtures are released and taken by weight.

5.8 If, when checking the quality of the mortar, a non-compliance with at least one of the technical requirements of the standard is revealed, this batch of mortar is rejected.

5.9 The consumer has the right to carry out a control check of the quantity and quality of the mortar mixture in accordance with the requirements of this standard according to the methods of GOST 5802.

5.10 The manufacturer is obliged to notify the consumer, upon his request, of the results of control tests no later than 3 days after their completion, and if the standardized indicator is not confirmed, notify the consumer immediately.

6 Control methods

6.1 Samples of mortar mixtures are taken in accordance with the requirements, and.

6.2 Materials for the preparation of mortar mixtures are tested in accordance with the requirements of standards and technical specifications for these materials.

6.3 The quality of chemical additives is determined by the effectiveness of their effect on the properties of building mortars in accordance with GOST 30459.

6.4 The concentration of the working solution of additives is determined with a hydrometer according to GOST 18481 in accordance with the requirements of standards and technical specifications for specific types of additives.

6.5 Specific effective activity of natural radionuclides Aeff in materials for the preparation of mortar mixtures is determined according to GOST 30108.

6.6 Mobility, average density, water-holding capacity and stratification of mortar mixtures are determined according to GOST 5802.

6.7 The volume of entrained air in mortar mixtures is determined according to GOST 10181.

(Changed edition, Amendment No. 1)

6.8 The temperature of freshly prepared solution mixtures is measured with a thermometer, immersing it in the mixture to a depth of at least 5 cm.

6.9 Compressive strength, frost resistance and average density of hardened solutions are determined according to GOST 5802.

6.10 The moisture content of dry mortar mixtures is determined according to GOST 8735.

7 Transportation and storage

7.1 Transportation

7.1.1 Mortar mixtures, ready for use, should be delivered to the consumer in vehicles specifically designed for their transportation.

With the consent of the consumer, transportation of mixtures in bunkers (tubs) is allowed.

7.1.2 The methods used for transporting mortar mixtures must exclude the loss of binder dough, the ingress of atmospheric precipitation and foreign impurities into the mixture.

7.1.3 Packaged dry mortar mixtures are transported by road, rail and other modes of transport in accordance with the rules for the transportation and securing of goods in force for this type of transport.

7.2 Storage

7.2.1 Mortar mixtures delivered to the installation site, ready for use, must be reloaded into mixer loaders or other containers, provided that the specified properties of the mixtures are maintained.

7.2.2 Packaged dry mortar mixtures are stored in covered, dry rooms.

Bags of dry mixture must be stored at a temperature not lower than 5°C under conditions that ensure the safety of the packaging and protection from moisture.

7.2.3 The shelf life of the dry mortar mixture is 6 months from the date of preparation.

At the end of the storage period, the mixture must be checked for compliance with the requirements of this standard. If compliant, the mixture can be used for its intended purpose.

APPENDIX A

(informative)

List of regulatory documents

GOST4.233-86 SPKP. Construction. Construction solutions. Nomenclature of indicators

GOST 125-79 Gypsum binders. Technical conditions

GOST 2226-88 Paper bags. Technical conditions

GOST 2642.5-97 Refractories and refractory raw materials. Methods for determining iron oxide

GOST 2642.11-97 Refractories and refractory raw materials. Methods for determining potassium and sodium oxides

GOST 3594.4-77 Molding clays. Methods for determining sulfur content

GOST 5578-94 Crushed stone and sand from slags of ferrous and non-ferrous metallurgy for concrete. Technical conditions

GOST 5802-86 Mortars. Test methods

GOST 8735-88 Sand for construction work. Test methods

GOST 8736-93 Sand for construction work. Specifications

GOST 9179-77 Lime production. Specifications

GOST 10178-85 Portland cement and Portland slag cement. Specifications

GOST 10181-2000 Concrete mixtures. Test methods

GOST 10354-82 Polyethylene film. Specifications

GOST 18481-81 Glass hydrometers and cylinders. Specifications

GOST21216.2-93 Clay raw materials. Method for determining fine fractions

GOST21216.12-93 Clay raw materials. Method for determining residue on a sieve with mesh No. 0063

GOST 22266-94 Sulfate-resistant cements. Specifications

GOST 23732-79 Water for concrete and mortars. Specifications

GOST 24211-91 Additives for concrete. General technical requirements

GOST 25328-82 Cement for mortars. Specifications

GOST 25592-91 Ash and slag mixtures from thermal power plants for concrete. Technical conditions

GOST 25818-91 Fly ash from thermal power plants for concrete. Specifications

GOST 25820-2000 Lightweight concrete. Technical conditions

GOST 26633-91 Heavy and fine-grained concrete. Specifications

GOST26644-85 Crushed stone and sand from slags of thermal power plants for concrete. Technical conditions

GOST30108-94 Construction materials and products. Determination of specific effective activity of natural radionuclides

GOST 30459-96 Additives for concrete. Methods for determining effectiveness

SNiP II-3-79 * Construction heating engineering

(Changed edition, Amendment No. 1)

APPENDIX B

Mobility of the mortar mixture at the site of application depending on the purpose of the solution

Table B.1

(required)

Clay for mortars. Technical requirements

These technical requirements apply to clay intended for the preparation of mortars.

IN 1 Technical requirements for clay

B .1.1The content of clay particles less than 0.4 mm in size must be no less than 30 and no more than 80% .

B.1.2 The content of sand particles larger than 0.16 mm should be no more than 30%.

B.1.3 The content of chemical components by weight of dry clay should not be more than %:

- sulfates and sulfides in terms of SO 3 - 1;

Sulfide sulfur in terms of SO 3 - 0.3;

- mica - 3;

Soluble salts (causing efflorescence and efflorescence):

Total iron oxides - 14;

The sum of potassium and sodium oxides is 7.

B.1.4 Clay should not contain organic impurities in quantities that impart a dark color.

AT 2. Clay Test Methods

B.2.1 The granulometric composition of clay is determined according to GOST 21216.2 and GOST 21216.12.

B.2.2 Content of sulfates and sulfides in terms of SO 3 determined according to GOST 3594.4.

B.2.3 Content of sulfide sulfur in terms of SO 3 determined according to GOST 3594.4.

B.2.4 The mica content is determined by the petrographic method according to GOST 8735.

B.2.5 The content of the amount of iron oxide is determined according to GOST 2642.11.

B.2.6 Content of the sum of potassium oxide and sodium according to GOST 2642.5

Key words: mortars, mineral binders, masonry, installation of building structures; masonry, facing, plastering mortars

Main purpose of the solution	Cone immersion depth, cm	Mobility grade P k
A Masonry:
For rubble masonry:
vibrated
unvibrated
For masonry made of hollow bricks or ceramic stones
For masonry made of solid bricks; ceramic stones; concrete stones or light rock stones
For filling voids in masonry and supplying with a mortar pump
For making a bed when installing walls made of large concrete blocks and panels; jointing horizontal and vertical joints in walls made of panels and large concrete blocks
B Facing:
For fastening natural stone and ceramic tiles to finished brick walls
For fastening cladding products of lightweight concrete panels and blocks in the factory
In Plastering:

All documents presented in the catalog are not their official publication and are intended for informational purposes only. Electronic copies of these documents can be distributed without any restrictions. You can post information from this site on any other site.

STATE STANDARD OF THE USSR UNION

BUILDING SOLUTIONS
GENERAL TECHNICAL CONDITIONS

GOST 28013-89

STATE CONSTRUCTION COMMITTEE OF THE USSR

Moscow

STATE STANDARD OF THE USSR UNION

Date of introduction 01.07.89

This standard applies to mortars used for masonry, installation of building structures, facing and plastering works in various operating conditions.

The standard does not apply to heat-resistant, chemical-resistant and stress-resistant solutions.

1. TECHNICAL REQUIREMENTS

1.1. Construction mortars () must be prepared in accordance with the requirements of this standard according to technological documentation approved in the prescribed manner.

1.2. Construction mortars are divided according to the type of binders into simple ones using one type of binder (cement, lime, gypsum and others) and complex ones using mixed binders (cement-lime, lime-ash, lime-gypsum, etc.).

1.3. Characteristics of mortar mixtures

1.3.1. The main indicators of the quality of the mortar mixture () are:

mobility;

water holding capacity;

delamination;

average density.

1.3.2. Depending on the mobility, mortar mixtures are divided into grades in accordance with.

1.3.3. The water-holding capacity of a freshly prepared mortar mixture, determined in laboratory conditions, must be no less than:

90% - for mortar mixtures prepared in winter conditions;

95% - for mortar mixtures prepared in summer conditions.

The water-holding capacity of the mortar mixture, determined at the work site, must be at least 75% of the water-holding capacity established in laboratory conditions.

1.3.4. The stratification of a freshly prepared mortar mixture should be no more than 10%.

1.3.6. The compositions of mortar mixtures must be selected in such a way as to ensure the production of mortar mixtures with the specified properties at the lowest consumption of binder.

1.3.7. It is prohibited to add water (with or without cement) to set mortar mixtures, including frozen mixtures heated with hot water when working in winter conditions.

1.3.8. Dry mortar mixtures () manufactured in factories must have a moisture content of no more than 0.1% by weight.

1.3.9. It is necessary to introduce complex additives given in dry gypsum plaster mixtures (GPS) to slow down the setting time and plasticization of the mortar mixture.

1.3.10. When preparing mortar mixtures, the dosage of binders and fillers should be done by weight, and water and additives in liquid form - by weight or volume and adjusted when the properties of the materials included in the mortar mixture change. Porous aggregates can be dosed by volume with correction by weight. The dosing error should not exceed:

± 2% - for binders, water, dry additives, working solution of liquid additives;

± 2.5% - for filler.

Dosing devices must meet the requirements of GOST 10223. The temperature of solutions used in winter must be at least 5 ° C. Water for mixing solutions should have a temperature of no more than 80 ° WITH.

1.3.11. Mortar mixtures must be prepared in cyclic or continuous type mixers, gravitational or forced.

1.4. Characteristics of solutions

1.4.1. The main indicators of solution quality () are:

compressive strength;

frost resistance;

average density.

The following grades of compressive strength are established for the mortar: M4; M10; M25; M50; M75; M100; M150; M200.

Solutions must meet the frost resistance requirements established by the standard.

1.4.5. Based on average density, solutions are divided into:

heavy (with an average density of 1500 kg/m 3 or more);

light (with an average density of less than 1500 kg/m3).

1.5. Requirements for materials for the preparation of mortars

1.5.2. Cement for preparing mortar mixtures must meet the requirements of GOST 25328 or GOST 10178, lime - GOST 9179, gypsum - GOST 125, sand - GOST 8736, sand from thermal power station slag - GOST 26644, fly ash - GOST 25818, hydraulic removal ash - TU 34 -31-16502, water for mixing mortar mixtures and preparing additives - GOST 23732, blast furnace slag - GOST 3476.

1.5.3. Depending on the type and purpose of mortars, different types of aggregate should be used.

1.5.4. The humidity of the aggregates and the temperature of the mixture (if necessary) are determined when selecting and adjusting the composition.

1.5.5. Sand with a grain size of 1 to 2 should be used as a filler in plaster mortars. In mortars for spraying and soil, sand with a grain size of no more than 2.5 mm should be used, and for the finishing layer - no more than 1.25 mm .

1.5.6. Sand and ash used to prepare the solution should not contain frozen lumps larger than 1 cm in size, as well as ice. When heating sand, its temperature should not exceed 60 ° WITH.

1.5.7. For light solutions, porous expanded sands should be used as a filler (vermiculite, perlite, expanded clay, shungizite, slag pumice, aglonirite according to GOST 19345, fly ash according to GOST 25818, ash component of ash from hydraulic removal of ash and slag mixture according to TU 34-31-16502.

1.5.8. For decorative mortars, various fillers can be used, for example, washed quartz sands and crushed rock chips (granite, marble, ceramic, coal, plastic) with a grain size of no more than 2.5 mm.

For colored plasters used on facades and interiors, it is allowed to use granite, glass, ceramic, coal, slate, plastic chips with a particle size of 2-5 mm.

1.5.10. To obtain mobile and non-stratified mortar mixtures, as well as to accelerate the growth of mortar strength, increase frost resistance, etc., various types of additives (plasticizing, air-entraining, accelerating and retarding setting and hardening, antifreeze, etc.) and complexes must be introduced into their composition. their basis in accordance with GOST 24211 and annexes.

The choice of chemical additives should be made depending on the required design characteristics of the mortar mixture.

Chemical additives should not cause harmful consequences during the operation of buildings (destruction of materials, corrosion of reinforcement, efflorescence, etc.).

It is allowed to use inorganic plasticizing additives in cement mortars (clay, lime, cement dust captured during clinker production, carbide sludge, fly ash and hydroelectric power plant ash, ash and slag mixtures, sludge from metallurgical production treatment facilities) and organic plasticizers-microfoam formers that meet the requirements of the relevant standards for materials. The amount of additive is determined by experimental batches in laboratories.

2. ACCEPTANCE

2.1. Mortar mixtures must be accepted by the technical control of the manufacturer.

2.2. Dosing and preparation of the mortar mixture should be monitored once per shift.

2.3. Mortar mixtures are taken in batches. A batch is taken to be the amount of mortar mixture of the same composition prepared during one shift.

2.4. The manufacturer is obliged to communicate the test results of control samples of the solution to the consumer upon his request.

The consumer has the right to control the quality of the mortar mixture and solution in accordance with the requirements of this standard.

2.5. The release of the mortar mixture by the manufacturer and its acceptance by the consumer is carried out by volume, and the dry mortar mixture - by weight.

2.6. The manufacturer must accompany the mortar mixture released into the vehicle with a quality document indicating:

name and address of the manufacturer;

date and time (hours, minutes) of production of the mixture;

brand of solution;

type of binder;

amount of mixture;

mobility of the mixture;

name and quantity of additives;

designation of this standard.

In the quality document for a batch of mortar mixture on porous aggregates, it is additionally necessary to indicate the average density of the mortar in the hardened, dried state.

The quality document must be signed by a representative of the manufacturer responsible for technical control.

When the solution is supplied in the form of a dry mixture, indicate the amount of water required to mix the mixture to the required mobility.

2.7. The mortar mixture is assessed for water-holding capacity and delamination, and the mortar for frost resistance is assessed when selecting each composition of the mortar, and subsequently at least once every 6 months, as well as when changing the composition of the mortar or the characteristics of the materials used.

2.8. If, when checking the quality of a mortar, it turns out that it does not meet at least one of the technical requirements of the standard, the batch of mortar is rejected.

2.9. From each batch of mortar mixture, the manufacturer's laboratory must take control samples to determine the mobility and average density of the mortar mixture, compressive strength and average density of the solution according to GOST 5802.

2.10. Dosing and preparation of the mortar mixture should be monitored once per shift.

3. CONTROL METHODS

3.2. The quality of the mortar mixture and solution according to the indicators specified in the technical requirements of the consumer and not specified in paragraphs. and are controlled by agreement between the manufacturer and the consumer.

3.3. Samples of the mortar mixture should be taken according to GOST 5802.

3.4. Dispensers should be checked in accordance with GOST 8.469, GOST 8.523.

3.5. The temperature of the transported mortar mixture is measured with a technical thermometer in accordance with GOST 2823, immersing it in the mixture to a depth of at least 5 cm.

4. TRANSPORTATION AND STORAGE

4.1. Mortar mixtures must be delivered to the consumer in vehicles that eliminate the loss of laitance. It is allowed to transport the mortar mixture in bunkers (tubs) on cars and railway platforms.

Bags with dry mixture should be stored in dry, indoor areas at a temperature not lower than 5 ° WITH.

5. MANUFACTURER WARRANTY

5.1. The manufacturer must ensure that the ready-to-use mortar mixture, including the dry mixture, complies with the requirements of this standard.

5.2. The guaranteed shelf life of dry mortar mixtures is 6 months. from the day of their preparation.

ANNEX 1
Information

TERMS USED IN THIS STANDARD AND THEIR EXPLANATIONS

Mortar combines the concepts of mortar mixture, dry mortar mixture, and mortar.

Mortar mixture is a mixture of binder, fine aggregate, binder and necessary additives, thoroughly mixed, ready for use.

Dry mortar mixture - this is a mixture of dry components of binder, filler and additives, dosed and mixed at the factory, mixed with water before use.

Solution- This is an artificial stone-like material, which is a hardened mixture of binder, fine aggregate, binder and necessary additives.

APPENDIX 2
Mandatory

Brands of mortar mixture by mobility

Brand according to the mobility of the mortar mixture	Mobility norm, cm	Purpose of the mortar mixture
	From 1 to 4 incl.	Vibrated rubble masonry
	St. 4 to 8 inclusive.	Rubble masonry is ordinary, made of hollow bricks and stones. Installation of walls made of large blocks and panels, jointing of horizontal and vertical seams in walls made of panels and blocks, cladding work
	St. 8 to 12 incl.	Masonry of ordinary bricks and various types of stones, plastering and facing works.
		Filling voids in rubble masonry

APPENDIX 3
Information

	Brand or name	Symbol
Superplasticizing	Diluent S-3
Plasticizing	Technical lignosulfonates

	Molasses evaporated post-yeast stillage
Stabilizing	Polyoxyethylene		TU 6-05-231-312(NF)
Water-retaining	Methylcellulose Carboxylmethylcellulose
	Polyvinyl alcohol
Setting retarders	Nitrilotrimethylenephosphonic acid Feed molasses (molasses)		TU 18-RSFSR-409
Accelerating	Sodium sulfate		GOST 6318, TU 38-10742
hardening	Calcium nitrate
	Calcium nitrite nitrate
	Calcium chloride
	Nitrite-nitrate-calcium chloride
Anti-frost	Sodium nitrite		GOST 19906, TU 38-10274
	Urea (urea)
	Technical pentaerythritol filtrate		TU 6-05-231-332
Air-entraining	Neutralized air-entraining resin		TU 81-05-75-74
	Saponified wood resin
	Sulfanol
Plasticizing air-entraining	Soap lye Alkaline effluent from caprolactam production		TU 18-RSFSR-780
	Neutralized black contact
	Saponified water-soluble resin
	Modified synthetic surfactant additive
	Phenylethoxysiloxane
	Ferric chloride
	Aluminum sulfate
	Katapin bactericide
	Polyhydrosiloxanes
		(b. GKM-94m)

APPENDIX 4
Information

Modified technical lignosulfonates recommended for mortars

Type of additives	Symbol	Designation of standards and specifications
Technical modified lignosulfonates		TU OP 13-62-185
Modified distillery concentrate		TU 69-USSR-71
Lignosulfonate plasticizer		TU OP 13-62-199
Technical liquor lignosulfonates		TU OP 13-63-66
Additive for concrete and mortars
Concrete mix plasticizer NIL-20
Complex organic additive for plasticization of building concrete and mortars
Calcium chrome lignosulfonates

INFORMATION DATA

1. DEVELOPED AND INTRODUCED by the State Construction Committee of the USSR

PERFORMERS

G.N. Brusentsov,Ph.D. tech. Sciences (topic leader); I.A. Spasskaya, Ph.D. physics and mathematics sciences; G.M. Kirpichenkov, Ph.D. tech. sciences; E.B. Madorsky, Ph.D. tech. sciences; S.A. Vorobyova, Ph.D. tech. sciences; G.A. Zakharchenko, Ph.D. tech. sciences; G.M. Batarina, Ph.D. tech. sciences; M.I. Brousser, Ph.D. tech. sciences; THEM. Drobyashchenko, Ph.D. tech. sciences; V.R. Falikman, Ph.D. chem. sciences, DI. Prokofiev, M.I. Shimanskaya

2. APPROVED AND ENTERED INTO EFFECT by Resolution of the State Construction Committee of the USSR dated January 13, 1989 No. 7

3. INTRODUCED FOR THE FIRST TIME

4. REFERENCE REGULATIVE AND TECHNICAL DOCUMENTS

	Item number, application


GOST 8.523-85



GOST 2823-73


GOST 6318-77

GOST 8736-85


GOST 10223-82

page 1

page 2

page 3

page 4

page 5

page 6

page 7

page 8

page 9

page 10

page 11

page 12

page 13

page 14

BUILDING SOLUTIONS

GENERAL TECHNICAL CONDITIONS

Official publication

IPC PUBLISHING HOUSE OF STANDARDS Moscow

UDC 666.971.001.4:006.354 Group G)3

STATE STANDARD OF THE USSR UNION

BUILDING SOLUTIONS General technical conditions

General specifications*

Date of introduction 07/01/89

This standard applies to mortars used for masonry, installation of building structures, facing and plastering works in various operating conditions.

The standard does not apply to heat-resistant, chemical-resistant and stress-resistant solutions.

1. TECHNICAL REQUIREMENTS

1.1. Construction mortars (Appendix 1) must be prepared in accordance with the requirements of this standard according to technological documentation approved in the prescribed manner.

1.3. Characteristics of mortar mixtures

1.3.1. The main indicators of the quality of the mortar mixture (Appendix 1) are:

Mobility;

Water holding capacity;

Continuation

	Brand or name	Conditional designation	Designation of standards and specifications
Air- attraction	Neutralized air-drying resin		TU 81-4)5-75-74
Air- more attractive	Saponified wood resin Sulfonol		TU 13-05-02 TU 6-01-1001
Plasticizing air-entraining	Soap lye Alkaline caprolactam production effluent Neutralized black contact Saponified water-soluble resin Modified synthetic surfactant additive		TU 18 - RSFSR - 780 TU 13-03-488 TU 81-05-94 TU 38-30318
Gndrophobisi-	Phenylethoxysmloc-	NZg-63 (formerly FES-50)
Sealing*	Ferrous chloride Aluminum sulfate
Bactericide	Catapin bactericide		TU 6-01 - 1026
Gassing	Polyhydrosil-	(b. gkm-94), 136-157m

*Used in special cases.

APPENDIX 4

Information

Modified technical lignosulfonates recommended for mortars

Type of additives	Conditional designation	Designation of standards and specifications

Lungosulfonates technical mo
modified		TU OP 13-63-185
Vintage concentrate modification		TU 69 -Ukrainian SSR -71
lignosulfonate plasticizer		TU OP 13-62-199
Technical lye lgnosulfonates		TU 13-04-602 TU OP 13-63-66
Additive for concrete and construction
linen solutions Concrete mix plasticizer
brand NIL-20 Complex organic additive
for plasticization of building concrete and mortars Calcium chrome lignosulfonates

INFORMATION DATA

1. DEVELOPED AND INTRODUCED by the State Construction Committee of the USSR

DEVELOPERS

G. N. Brusentsev, Ph.D. tech. Sciences (topic leader); I. A. Spasskaya, Ph.D. physics and mathematics sciences; 1 G. M. Kirpichenkov), Ph.D. technical sciences; E. B. Madorsky, Ph.D. tech. sciences; S. A. Vorobyova, Ph.D. technical sciences; G. A. Zakharchenko, Ph.D. tech. sciences; G. M. Batarina, Ph.D. tech. sciences; M. I. Brusser, Ph.D. tech. sciences; I, M. Drobya Gtsenko, Ph.D. tech. sciences; V. R. Falikman, Ph.D. chem. Sciences, D. I. Prokofiev, M. I. Shimanskaya

2. APPROVED AND ENTERED INTO EFFECT by Resolution of the State Construction Committee of the USSR dated January 13, 1989 Jfit 7

3. INTRODUCED FOR THE FIRST TIME

4. REFERENCE REGULATIVE AND TECHNICAL DOCUMENTS

Designation of the technical documentation for which the reference is given	Item number, application		Item number, application
			Appendix 3
		TU 6-02-995-80
		TU 6-02-1171-79
	Appendix 3	TU 6-03-367-79
		TU S-03-704-74
		TU 6-05-231-312 (NF)

	Appendix 3	TU 6-05-231-332-86
		TU 6-05-386-80
		TU 6-05-1857-78
		TU 6-14-625-80
		TU 6-18-194-76

	Appendix 3	TU 13-03-488-84			TU 13-04-602-81	Appendix 4
		TU 13-05-02-83	Appendix 3
	position 3	TU OP 13-62-185-84	Appendix 4
		TU OP 13-62-199-85
		TU OP 13-63-66-82
		TU 18-17/63-84
	Appendix 3	TU 18 - RSFSR - 409-	Appendix 3
			1.5.10, application	TU 18 - RSFSR - 780- -78
		TU 34-31-16502^-87
		TU 38-10274-73	Appendix 3
		TU 38-10742-78
		TU 38-30318-84
OST 13-183-83	Appendix 3	TU 38-101615-76
OST 13-287-85	Appendix 4		Appendix 4
OST 18-126-73	Appendix 3	TU 69 -Ukrainian SSR -71-82
	Appendix 3	TU 81-05-75-74	Appendix 3
		TU 81-05-94-73
		TU 84-224-76 TU 480-2 4-86	Appendix 4

TU 6-01-1001- -75

5. REPUBLICATION. October 1998

Editor V.P. Ogurtsov Technical editor O.N. Vlasova Corrector A. S. Chernousova

Ed. lead No. 021007 dated 08/10/95. Signed for publication on October 15, 1998. Conditions of sadness 0.93. Ed. 0.76. Circulation 157 copies. From 1273. Zak. 304.

IPK Publishing House of Standards, 107076, Moscow, Kolodezny per., 14. Printed in IPK Publishing House of Standards

Delamination;

Medium density.

1.3.2. Depending on mobility, mortar mixtures are divided into grades in accordance with Appendix 2.

1.3.3. The water-holding capacity of a freshly prepared mortar mixture, determined in laboratory conditions, must be no less than:

90% - For mortar mixtures prepared in winter conditions;

95% - the same, in summer conditions.

The water-holding capacity of the mortar mixture, determined at the work site, must be at least 75% of the water-holding capacity established in laboratory conditions.

1.3.4. The stratification of the freshly prepared mortar mixture should be no more than 10%.

1.3.5. Deviation of the average density of the mortar mixture towards an increase is allowed no more than 10%■ from that established by the project. When using air-entraining additives, the density reduction should not exceed 6%*.

1.3.6. The compositions of mortar mixtures must be selected in such a way as to ensure the production of mortar mixtures with the specified properties at the lowest consumption of binder.

1.3.7. It is prohibited to add water to set mortar mixtures (with or without cement), including frozen mixtures heated with hot water when working in winter conditions.

1.3.8. Dry mortar mixtures (Appendix 1), manufactured in factories, must have a moisture content of no more than 0.1% by weight.

1.3.9. It is necessary to introduce complex additives given in Appendix 2 into dry gypsum plaster mixtures (SGPS) to slow down the setting time and plasticization of the mortar mixture.

1.3.10. When preparing mortar mixtures, the dosage of binders and fillers should be done by weight, and water and additives in liquid form - by weight or volume and adjusted when the properties of the materials included in the mortar mixture change. Porous aggregates can be dosed by volume with correction by weight. The dosing error should not exceed:

GOST 28013-89 S. 3

±2%■ - for binders, water, dry additives, working solution of liquid additives;

±2.5%" - for filler.

Dosing devices must meet the requirements of GOST 10223. The temperature of solutions used in winter must be at least 5 °C. The water for mixing solutions should have a temperature of no more than 80 °C.

1.3.11. Mortar mixtures must be prepared in cyclic or continuous type mixers, gravitational or forced.

1.4. Characteristics of solutions

1.4.1. The main indicators of solution quality (Appendix 1) are:

Compressive strength;

Frost resistance;

Medium density.

The following grades of compressive strength are established for the mortar: M4, M10, M25, M50, M75, M100, M150, M200.

1.4.4. For a solution subjected to alternate freezing and thawing, in a moistened state in the structures of buildings and structures, frost resistance grades are prescribed and controlled: F10, F15, F25, F35, F50, F75, F100.

Solutions must meet the frost resistance requirements established by the project.

1.4.5. Based on average density, solutions are divided into:

Heavy (with an average density of 1500 kg/m 3 or more);

Light (with an average density of less than 1500 kg/m e).

1.5. Requirements for materials for the preparation of mortars

1.5.1. The materials used for the preparation of mortar mixtures must meet the technical requirements of the present

general standard and comply with the requirements of standards or technical specifications for these materials.

1.5.2. Cement for the preparation of mortar mixtures must meet the requirements of GOST 25328 and GOST 10178, lime - GOST 9179, gypsum - GOST J25, sand - GOST 8736, sand from thermal power station slag - GOST 26644, fly ash - GOST 25818, hydraulic removal ash - TU 34 -31-16502, water for mixing mortar mixtures and preparing additives - GOST 23732, blast furnace slag - GOST 3476.

1.5.3. Depending on the type and purpose of mortars, different types of aggregate should be used.

1.5.4. The humidity of the aggregates and the temperature of the mixture (if necessary) are determined when selecting and adjusting the composition.

1.5.5. Sand for construction work with a fineness module of 1 to 2 should be used as a filler in plaster mortars.

In solutions for spraying and soil, sand with a grain size of no more than 2.5 mm should be used, and for the finishing layer - no more than 1.25 mm.

1.5.6. Sand and ash used to prepare the solution should not contain frozen lumps larger than 1 cm in size, as well as ice. When heating sand, its temperature should not exceed 60°C.

1.5.7. For light solutions, porous expanded sands should be used as a filler (vermiculite, perlite, expanded clay, shungnzite, slag pumice, aglop-rite according to GOST 9757, fly ash according to GOST 25818, ash component of ash from hydraulic removal of ash and slag mixture according to TU 34-31- 16502.

1.5.8. For decorative mortars, various fillers can be used, for example, washed quartz sands and crushed rock chips (granite, marble, ceramic, coal, plastic) with a grain size of no more than 2.5 mm.

For colored plasters. used on facades and interiors, it is allowed to use granite, glass, ceramic, coal, slate, plastic chips with a particle size of 2-5 mm.

1.5.9. To prepare colored cement-sand plaster mortars, colored cements should be used in accordance with GOST

15825, natural or artificial pigments according to GOST 8135, GOST 18172, GOST 12966.

1.5.10. To obtain mobile and non-separable mortar mixtures, as well as to accelerate the growth of mortar strength, increase frost resistance, etc., various types of additives (plasticizing, air-entraining, accelerating and retarding setting and hardening, antifreeze, etc.) and complexes must be introduced into their composition based on them in accordance with GOST 24211 and appendices 3, 4.

The choice of chemical additives should be made depending on the required design characteristics of the mortar mixture.

Chemical additives should not cause harmful consequences during the operation of buildings (destruction of materials, corrosion of reinforcement, efflorescence, etc.).

It is allowed to use inorganic plasticizing additives in cement mortars (clay and lime, cement dust captured during clinker production, carbide sludge, fly ash and hydroelectric power plant ash, ash and slag mixtures, sludge from treatment facilities of metallurgical production) and organic plasticizers-microfoam formers that meet the requirements of the relevant standards for materials. The amount of additive is determined by experimental batches in laboratories.

2. ACCEPTANCE.

2.1. Mortar mixtures must be accepted by the technical control of the manufacturer.

2.2. Dosing and preparation of the mortar mixture should be monitored once per shift.

2.3. Mortar mixtures are taken in batches. A batch is taken to be the amount of mortar mixture of the same composition prepared during one shift.

2.4. The manufacturer is obliged to inform the consumer of the test results of control samples of the solution upon his request.

The consumer has the right to carry out quality control checks of the mortar mixture and solution in accordance with the requirements of this standard.

2.5. The release of the mortar mixture by the manufacturer and its acceptance by the consumer is carried out by volume, and the dry mortar mixture - by weight.

2.6. The manufacturer must accompany the mortar mixture released into the vehicle with a quality document indicating:

Manufacturer's name and address;

Date and time (hours, minutes) when the mixture was made;

Brand of solution;

Type of binder;

Amount of mixture;

Mobility of the mixture;

Name and quantity of additives;

Designation of this standard.

In the quality document for a batch of mortar mixture on porous aggregates, it is additionally necessary to indicate the average density of the mortar in the hardened, dried state.

The quality document must be signed by a representative of the manufacturer responsible for technical control.

When the solution is supplied in the form of a dry mixture, indicate the amount of water required to mix the mixture to the required mobility.

2.7. The mortar mixture is assessed for water-holding capacity and exfoliation™, and the mortar for frost resistance is assessed when selecting each composition of the mortar, and in the future at least once every 6 months, as well as when the composition of the mortar or the characteristics of the materials used change.

2.8. If, when checking the quality of a mortar, it turns out that it does not meet at least one of the technical requirements of the standard, the batch of mortar is rejected.

2.10. Dosing and preparation of the mortar mixture should be monitored once per shift.

3. CONTROL METHODS

3.1. The mobility, average density, exfoliation™, water-holding capacity of the mortar mixture, as well as the compressive strength, average density and frost resistance of the mortar are controlled according to GOST 5802.

3.2. The quality of the mortar mixture and solution according to the indicators specified in the technical requirements of the consumer and not specified -

nykh in paragraphs. 1.3.1 and 1.4.1 are controlled by agreement between the manufacturer and the consumer.

3.3. Samples of the mortar mixture should be taken according to GOST 5802.

3.4. Dispensers should be checked in accordance with GOST 8.469 and MI 1540.

3.5. The temperature of the transported mortar mixture is measured with a technical thermometer in accordance with GOST 28498, immersing it in the mixture to a depth of at least 5 cm.

4. TRANSPORTATION AND STORAGE

4.1. Mortar mixtures must be delivered to the consumer in vehicles that eliminate the loss of laitance. It is allowed to transport the mortar mixture in bunkers (tubs) on cars and railway platforms.

Bags of dry mixture should be stored in dry, indoor areas at a temperature not lower than 5 °C.

4.3. The mortar mixture delivered to the construction site must be unloaded into a loader-mixer. Unloading into other containers is allowed provided that the specified properties of the mortar mixture are maintained.

5. MANUFACTURER WARRANTY

5.1. The manufacturer must ensure that the ready-to-use mortar mixture, including dry mixture, complies with the requirements of this standard.

5.2. The guaranteed shelf life of dry mortar mixtures is 6 months from the date of their preparation.

APPENDIX 1 Reference

THE TERMS USED IN THIS STANDARD

AND THEIR EXPLANATIONS

Mortar combines the concepts of mortar mixture, dry mortar mixture, and mortar.

A mortar mixture is a mixture of binder, fine aggregate, mortar and necessary additives, thoroughly mixed, ready for use.

A dry mortar mixture is a mixture of dry components of binder, filler and additives, dosed and mixed at the factory, mixed with water before use.

Mortar is an artificial stone material, which is a hardened mixture of binder, fine aggregate, sealer and necessary additives.

APPENDIX 2 Mandatory

Brands of mortar mixture by mobility

Brand according to the mobility of the mortar mixture	Normal mobility, cm	Purpose of the mortar mixture
	From 1 to 4 incl.	Vibrated rubble masonry
	Ov. 4 to 8 incl.	Rubble masonry is ordinary, made of hollow bricks and stones. Installation of walls made of large blocks and panels, jointing of horizontal and vertical joints in walls made of panels and blocks, cladding work
	St. 8 to 12 incl.	Masonry of ordinary bricks and various types of stones, plastering and facing works
	St. 12 to 14 incl.	Filling voids in rubble masonry

APPENDIX 3 Information

	Brand or name	Conditional designation	Designation of standards and specifications
Superplastic milling	Diluent S-3
Plasticify	Lignosulfonates technical
	Technical modified lignosulfonates		See Appendix 4
	Molasses evaporated post-yeast stillage
Stabilize	Polyoxyethylene		TU 6-05-231-312 (NF)

Retain water	Methylcellulose
	Carboxy methyl cellulose Polyvinyl
Slowing down	Nitrilotrimethyl-		TU 6-02’-1171
setting	Lenphosphonic acid

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