GOST 13579-78

INTERSTATE STANDARD

CONCRETE BLOCKS
FOR BASEMENT WALLS

Specifications

Date of introduction 01/01/79

This standard applies to blocks made from heavy concrete, as well as expanded clay concrete and dense silicate concrete of medium density (in a dried to constant weight state) of at least 1800 kg/m 3 and intended for walls of basements and technical undergrounds of buildings.

Solid blocks can be used for foundations.

1. TYPES AND CONSTRUCTION OF BLOCKS

1.1. Blocks are divided into three types:

FBS - solid;

FBV - solid with a cutout for laying lintels and passing communications under the ceilings of basements and technical undergrounds;

FBP - hollow (with voids open downwards).

1.2. The shape and dimensions of the blocks must correspond to those indicated in the drawing. - and in the table. .

FBS type blocks

Blocks 300 mm wide

Crap. 1

Blocks 400, 500 and 600 mm wide

Crap. 1 (continued)

FBV type blocks

Crap. 2

FBP type blocks

Crap. 3

Table 1

Main block dimensions, mm
Length l	Width b	Height h
	300; 400; 500; 600

	300; 400; 500; 600

1.3. The structure of the block symbols (brands) is as follows:

Example of a symbolFBS type block 2380 mm long, 400 mm wide and 580 mm high, made of heavy concrete:

FBS24.4.6-G GOST 13579-78

The same, type FBV 880 mm long, 400 mm wide and 580 mm high, made of concrete on porous aggregates (expanded clay concrete):

FBV9.4.6-P GOST 13579-78

The same, type FBP 2380 mm long, 500 mm wide and 580 mm high, made of dense silicate concrete:

FBP24.5.6-S GOST 13579-78

Note: It is allowed to manufacture and use blocks 780 mm long (additional), adopted in standard building designs approved before 01/01/78, for the duration of these projects.

1.4. The brands and characteristics of heavy concrete blocks are given in table. , from expanded clay concrete - in table. , from dense silicate concrete - in table. .

With appropriate justification, it is permitted to use concrete blocks with compressive strength classes different from those indicated in Table. - . In all cases, the concrete class for compressive strength should be taken no more than B15 and no less:

B3.5 - for blocks made of heavy concrete and expanded clay concrete;

B12.5 " " " dense silicate concrete.

Note: In the symbol for concrete blocks of classes of compressive strength that differ from those indicated in the table. - , the corresponding digital index must be entered before the letter characterizing the type of concrete.

table 2

Concrete class by compressive strength	Mounting loop	Consumption of materials		Block weight (reference), t
Concrete class by compressive strength		Concrete, m 3	Steel, kg	Block weight (reference), t

Note: The mass of the blocks is given for heavy concrete with an average density of 2400 kg/m 3.

Table 3

Mounting loop	Consumption of materials		Block weight (reference), t
	Concrete, m 3	Steel, kg	Block weight (reference), t

Note: The weight of the blocks, as well as the brand of mounting loops, are given for blocks made of expanded clay concrete with an average density of 1800 kg/m 3.

Table 4

Concrete class by compressive strength	Mounting loop	Consumption of materials		Block weight (reference), t
Concrete class by compressive strength		Concrete, m 3	Steel, kg	Block weight (reference), t

Note: The mass of blocks, as well as mounting loops, is given for blocks made of dense silicate concrete with an average density of 2000 kg/m 3.

1.5. The location of the mounting loops in the blocks must correspond to that shown in Fig. - . The designs of mounting loops are given in the appendix.

It is allowed to install mounting loops in FBS type blocks with a length of 1180 and 2380 mm at a distance of 300 mm from the ends of the block and flush with its upper plane.

When using special gripping devices for lifting and mounting blocks, it is allowed, by agreement between the manufacturer, the consumer and the design organization, to manufacture blocks without mounting loops.

1.4, 1.5. (Changed edition, Amendment No. 1).

2. TECHNICAL REQUIREMENTS

2.1. Materials used for the preparation of concrete must meet the technical requirements established by this standard and comply with applicable standards or specifications for these materials.

50 - for heavy concrete and expanded clay concrete class B 12.5 and higher;

70 » » » class B 10 and below;

80 » expanded clay concrete » В 10 » »

100" dense silicate concrete.

When delivering blocks to cold period year, it is allowed to increase the value of the standardized tempering strength of concrete as a percentage of the compressive strength class, but not more than:

70 - for concrete class B 12.5 and higher;

90 » » » At 10 and below.

The value of the normalized tempering strength of concrete should be taken according to project documentation for a specific building or structure in accordance with the requirements of GOST 13015.

Delivery of blocks with a concrete tempering strength lower than the strength corresponding to its class in terms of compressive strength is carried out provided that the manufacturer guarantees that the concrete blocks achieve the required strength at the design age, determined by the results of testing control samples made from concrete mixture working personnel and stored in conditions in accordance with GOST 18105.

2.5 - 2.7. (Changed edition, Amendment No. 1).

2.8. When releasing blocks to consumers, the moisture content of expanded clay concrete should not be more than 12%.

A3 - front, intended for painting;

A5 - front, intended for finishing ceramic tiles, laid over a layer of mortar;

A6 - front unfinished;

A7 - non-facial, invisible under operating conditions.

Requirements for the quality of block surfaces are in accordance with GOST 13015.

2.13. (Deleted, Amendment No. 1).

2.14. In concrete blocks accepted in accordance with Section. , cracks are not allowed, with the exception of local surface shrinkage cracks, the width of which should not exceed 0.1 mm in blocks of heavy and dense silicate concrete and 0.2 mm in blocks of expanded clay concrete.

2.15. Mounting loops must be cleared of concrete deposits.

3. ACCEPTANCE RULES

(Changed edition, Amendment No. 1).

GOST 13015.

5. MARKING, STORAGE AND TRANSPORTATION

5.1. Block marking - by GOST 13015.

Markings and signs should be applied to the side surface of the block.

(Changed edition, Amendment No. 1).

5.2. Blocks should be stored in stacks, sorted by brand and batch and stacked close to each other.

GOST 13579-78

UDC 691.327-412:006.354

Group Zh33

INTERSTATE STANDARD

CONCRETE BLOCKS FOR BASEMENT WALLS

Specifications

Concrete blocks for walls of basements.

date introduction 1979-01-01

INFORMATION DATA

1. DEVELOPED

Central Research and Design Institute of Standard and Experimental Housing Design (TsNIIEP Dwelling) of the State Civil Engineering

All-Union Scientific Research Institute of Factory Technology of Prefabricated Reinforced Concrete Structures and Products (VNIIzhelezobeton) of the Ministry of Industry building materials USSR

INTRODUCED by the State Committee for Civil Engineering and Architecture under the USSR State Construction Committee

2. APPROVED AND ENTERED INTO EFFECT by the Resolution State Committee Council of Ministers of the USSR for Construction Affairs dated December 30, 1977 No. 234

3. INSTEAD GOST 13579-68

4. REFERENCE REGULATIVE AND TECHNICAL DOCUMENTS

	Item number		Item number
GOST 5781-82		GOST 13015.0-83		GOST 13015.1-81		GOST 13015.2-81
GOST 10060.3-95		GOST 13015.3-81			GOST 18105-86
GOST 12730.0-78
GOST 12730.2-78
GOST 12730.3-78		SNiP 2.03.01-84
GOST 12730.5-84		SNiP 2.03.11-85

5. EDITION (November 2001) with Change No. 1, approved in November 1985 (IUS 3-86)

Solid blocks can be used for foundations.

1. TYPES AND CONSTRUCTION OF BLOCKS

1.1. Blocks are divided into three types:

FBS - solid;

FBV - solid with a cutout for laying lintels and passing communications under the ceilings of basements and technical undergrounds;

FBP - hollow (with voids open downwards).

1.2. The shape and dimensions of the blocks must correspond to those indicated in the drawing. 1-3 and in table. 1.

FBS type blocks

Blocks 300 mm wide

Blocks 400, 500 and 600 mm wide

FBV type blocks

FBP type blocks

Table 1

1.3. The structure of the block symbols (brands) is as follows:

Block type (clause 1.1)

Block dimensions in decimeters:

length (rounded)

height (rounded)

Type of concrete: heavy - T; on porous aggregates (expanded clay concrete) - P; dense silicate - C

Symbol of this standard

An example of a symbol for a FBS type block, 2380 mm long, 400 mm wide and 580 mm high, made of heavy concrete:

FBS24.4.6 -T GOST 13579-78

The same, FBV type, 880 mm long, 400 mm wide and 580 mm high, made of concrete on porous aggregates (expanded clay concrete):

FBV9.4.6 -P GOST 13579-78

The same, FBP type, length 2380 mm, width 500 mm and height 580 mm, made of dense silicate concrete:

FBP24.5.6 -S GOST 13579-78

Note. It is allowed to manufacture and use blocks with a length of 780 mm (additional), accepted in those approved before 01/01/78 standard projects buildings for the duration of these projects.

1.4. The brands and characteristics of heavy concrete blocks are given in table. 2, from expanded clay concrete - in table. 3, from dense silicate concrete - in table. 4.

With appropriate justification, it is allowed to use concrete blocks with compressive strength classes different from those indicated in Table. 2-4. In all cases, no more than B15 and no less should be taken:

B3.5 - for blocks made of heavy concrete and expanded clay concrete;

B12.5 - """ dense silicate concrete.

Note. In the symbol for blocks made of concrete with classes of compressive strength that differ from those indicated in the table. 2-4, the corresponding digital index must be entered before the letter characterizing the type of concrete.

table 2

Block brand	Concrete class by compressive strength	Mounting loop		Consumption of materials		Block weight (reference), t
Block brand	Concrete class by compressive strength		Quantity	Concrete, m 3	Steel, kg	Block weight (reference), t

Note. The mass of the blocks is given for heavy concrete with an average density of 2400 kg/m 3.

Table 3

Block brand	Concrete class by compressive strength	Mounting loops		Consumption of materials		Block weight (reference), t
Block brand	Concrete class by compressive strength		Quantity	Concrete, m 3	Steel, kg	Block weight (reference), t

Note. The weight of the blocks, as well as the brand of mounting loops, are given for blocks made of expanded clay concrete with an average density of 1800 kg/m 3.

Table 4

Block brand	Concrete class by compressive strength	Mounting loop		Consumption of materials		Block weight (reference), t
Block brand	Concrete class by compressive strength		Quantity	Concrete, m 3	Steel, kg	Block weight (reference), t

Note. The mass of blocks, as well as mounting loops, is given for blocks made of dense silicate concrete with an average density of 2000 kg/m 3.

1.5. The location of the mounting loops in the blocks must correspond to that shown in Fig. 1-3. The designs of mounting loops are given in the appendix.

It is allowed to install mounting loops in FBS type blocks with a length of 1180 and 2380 mm at a distance of 300 mm from the ends of the block and flush with its upper plane.

When using special gripping devices for lifting and mounting blocks, it is allowed, by agreement between the manufacturer and the consumer and design organization, production of blocks without mounting loops.

1.4, 1.5. (Changed edition, Amendment No. 1).

2. TECHNICAL REQUIREMENTS

2.1. Materials used for the preparation of concrete must meet the technical requirements established by this standard and comply with applicable standards or specifications for these materials.

2.2. The actual strength of the concrete blocks (at design age and tempering) must correspond to the required strength, assigned according to GOST 18105, depending on the standardized strength of concrete specified in the design documentation for the building or structure, and on the indicator of the actual uniformity of concrete strength.

(Changed edition, Amendment No. 1).

2.3. Frost resistance and water resistance of concrete should be assigned in the project depending on the operating mode of the structures and climatic conditions of the construction area in accordance with SNiP 2.03.01 - for heavy concrete and expanded clay concrete and SN 165 - for dense silicate concrete.

2.4. Concrete, as well as materials for preparing concrete blocks intended for use in conditions of exposure to aggressive environments, must meet the requirements of SNiP 2.03.11, as well as additional requirements CH 165 for blocks made of dense silicate concrete.

2.5. Concrete classes for compressive strength, concrete grades for frost resistance and water resistance, and, if necessary, requirements for concrete and materials for its preparation (see clause 2.4), must correspond to the design specified in orders for the production of blocks.

2.6. Delivery of blocks to the consumer should be made after the concrete reaches the required tempering strength (clause 2.2).

2.7. The value of the standardized tempering strength of concrete blocks as a percentage of the compressive strength class should be taken equal to:

50 - for heavy concrete and expanded clay concrete class B12.5 and higher;

70 - """ class B10 and below;

80 - "expanded clay concrete" B10 and below;

100 - "dense silicate concrete.

When delivering blocks in the cold season, it is allowed to increase the value of the standardized tempering strength of concrete as a percentage of the compressive strength class, but no more;

70 - for concrete class B12.5 and higher;

90 - """ B10 and below.

The value of the standardized tempering strength of concrete should be taken according to the design documentation for a specific building or structure in accordance with the requirements of GOST 13015.0.

Delivery of blocks with a tempering strength of concrete below the strength corresponding to its class in terms of compressive strength is carried out provided that the manufacturer guarantees that the concrete blocks achieve the required strength at the design age, determined by the results of testing control samples made from a concrete mixture of the working composition and stored in conditions according to GOST 18105.

2.5-2.7. (Changed edition, Amendment No. 1).

2.8. When releasing blocks to consumers, the moisture content of expanded clay concrete should not be more than 12%.

2.9. The mounting loops of the blocks must be made from smooth hot-rolled rod reinforcement class A-I grades VSt3ps2 and VSt3sp2 or periodic profile Ac-II, grade 10GT according to GOST 5781.

Reinforcement made of steel grade VSt3ps2 is not allowed to be used for mounting loops intended for lifting and installing blocks at temperatures below minus 40 °C.

2.10. Deviations in mm of the design dimensions of the blocks should not exceed:

2.11. The deviation from the straightness of the profile of the block surfaces should not exceed 3 mm over the entire length and width of the block.

2.12. The following categories of concrete block surfaces are established:

A3 - front, intended for painting;

A5 - front, intended for finishing with ceramic tiles laid over a layer of mortar;

A6 - front, unfinished;

A7 - non-facial, invisible under operating conditions.

Requirements for the quality of block surfaces are in accordance with GOST 13015.0.

(Changed edition, Amendment No. 1).

2.13. (Deleted, Amendment No. 1).

2.14. In concrete blocks accepted in accordance with Section. 3, cracks are not allowed, with the exception of local surface shrinkage cracks, the width of which should not exceed 0.1 mm in blocks of heavy and dense silicate concrete and 0.2 mm in blocks of expanded clay concrete.

2.15. Mounting loops must be cleared of concrete deposits.

3. ACCEPTANCE RULES

3.1. Acceptance of blocks should be carried out in batches in accordance with the requirements of GOST 13015.1 and this standard.

3.2. Acceptance of blocks for frost resistance and water resistance of concrete, release humidity of expanded clay concrete, as well as water absorption of concrete blocks intended for use in an environment with an aggressive degree of exposure should be carried out based on the results of periodic tests.

3.3. Concrete tests for water resistance and water absorption of blocks subject to these requirements should be carried out at least once every three months.

3.4. The release moisture content of expanded clay concrete should be monitored at least once a month based on the results of testing samples taken from three finished blocks.

The actual release humidity should be assessed based on the results of checking each controlled block based on the average humidity value of samples taken from it.

3.5. Acceptance of blocks in terms of concrete strength (class of concrete in terms of compressive strength and tempering strength), compliance of mounting loops with the requirements of this standard, accuracy of geometric parameters, opening width of technological cracks and category of the concrete surface of the blocks should be carried out based on the results of acceptance tests.

3.6. Acceptance of blocks in terms of accuracy of geometric parameters, category of concrete surface and width of opening of technological cracks should be carried out based on the results of one-stage sampling control.

3.7. Acceptance of blocks based on the presence of mounting loops and the correct application of markings and signs should be carried out through continuous inspection with the rejection of blocks that have defects according to the specified indicators.

Sec. 3. (Changed edition, Amendment No. 1).

4. CONTROL AND TEST METHODS

4.1. The compressive strength of concrete should be determined according to GOST 10180 on a series of samples made from a concrete mixture of the working composition and stored under the conditions established by GOST 18105.

When testing blocks non-destructive methods the actual tempering compressive strength of concrete should be determined by the ultrasonic method in accordance with GOST 17624 or mechanical devices in accordance with GOST 22690, as well as other methods provided for by the standards for concrete testing methods.

(Changed edition, Amendment No. 1).

4.2. (Deleted, Amendment No. 1).

4.3. The grade of concrete for frost resistance must be controlled in accordance with GOST 10060.0 - GOST 10060.4.

4.4. The water resistance of concrete blocks should be determined according to GOST 12730.0 and GOST 12730.5 on a series of samples made from a concrete mixture of the working composition.

(Changed edition, Amendment No. 1).

4.4.1. (Deleted, Amendment No. 1).

4.5. Water absorption of concrete blocks intended for use in conditions of exposure to an aggressive environment should be determined in accordance with the requirements of GOST 12730.0 and GOST 12730.3 on a series of samples made from a concrete mixture of the working composition.

4.6.(Deleted, Amendment No. 1).

4.7. The moisture content of expanded clay concrete should be determined according to GOST 12730.0 and GOST 12730.2 by testing samples taken from finished blocks.

At least two samples should be taken from each block.

It is allowed to determine the moisture content of concrete blocks using the dielcometric method according to GOST 21718.

(Changed edition, Amendment No. 1).

4.8. Dimensions and deviation from straightness of blocks, position of mounting loops, as well as quality of surfaces and appearance blocks are checked according to GOST 13015.0.

5. MARKING, STORAGE AND TRANSPORTATION

5.1. Marking of blocks is in accordance with GOST 13015.2.

Markings and signs should be applied to the side surface of the block.

(Changed edition, Amendment No. 1).

5.2. Blocks should be stored in stacks, sorted by brand and batch and stacked close to each other.

The height of the stack of blocks should be no more than 2.5 m.

5.3. During storage and transportation, each block must be placed on wooden spacers, located vertically one above the other between rows of blocks.

The pads under the bottom row of blocks should be laid on a dense, carefully leveled base.

5.4. The thickness of the gaskets must be at least 30 mm.

5.5. The blocks must be transported with reliable fastening that protects them from displacement.

The height of the stack during transportation is set depending on the load capacity Vehicle and permissible loading dimensions.

5.6. Loading, transportation, unloading and storage of blocks must be carried out in compliance with measures to prevent the possibility of damage.

5.7. Requirements for the document on the quality of blocks supplied to the consumer are in accordance with GOST 13015.3.

Additionally, the document on the quality of the blocks must indicate the grades of concrete for frost resistance and water resistance, as well as the water absorption of concrete (if these indicators are specified in the order for the production of blocks).

(Changed edition, Amendment No. 1).

6. MANUFACTURER WARRANTY

6.1. The manufacturer must guarantee compliance of the supplied blocks with the requirements of this standard, provided that the consumer complies with the rules of transportation, conditions of use and storage of blocks established by the standard.

APPLICATION

Mandatory

MOUNTING HINGES

Specification and selection of steel for one mounting loop

GOST 13579-78

Group Zh33

INTERSTATE STANDARD

CONCRETE BLOCKS FOR BASEMENT WALLS

Specifications

Concrete blocks for walls of basements. Specifications

MKC 91.080.40
OKP 58 3500

Date of introduction 1979-01-01

INFORMATION DATA

1. DEVELOPED

Central Research and Design Institute of Standard and Experimental Housing Design (TsNIIEP Dwelling) of the State Civil Engineering

All-Union Scientific Research Institute of Factory Technology of Prefabricated Reinforced Concrete Structures and Products (VNIIzhelezobeton) of the Ministry of Construction Materials Industry of the USSR

INTRODUCED by the State Committee for Civil Engineering and Architecture under the USSR State Construction Committee

2. APPROVED AND ENTERED INTO EFFECT by Resolution of the State Committee of the Council of Ministers of the USSR for Construction Affairs dated December 30, 1977 N 234

3. INSTEAD GOST 13579-68

4. REFERENCE REGULATIVE AND TECHNICAL DOCUMENTS


	Item number
GOST 5781-82
GOST 10060.0-95
GOST 10060.1-95
GOST 10060.2-95
GOST 10060.3-95
GOST 10060.4-95
GOST 10180-90
GOST 12730.0-78
GOST 12730.2-78
GOST 12730.3-78
GOST 12730.5-84
GOST 13015-2003	2.7, 2.12, 3.1, 4.8, 5.1, 5.7
GOST 17624-87
GOST 18105-86
GOST 21718-84
GOST 22690-88
SNiP 2.03.01-84
SNiP 2.03.11-85

5. EDITION (October 2005) with Amendment No. 1, approved in November 1985 (IUS 3-86)

This standard applies to blocks made from heavy concrete, as well as expanded clay concrete and dense silicate concrete of medium density (in a dried to constant weight state) of at least 1800 kg/m and intended for walls of basements and technical undergrounds of buildings.

Solid blocks can be used for foundations.

1. TYPES AND CONSTRUCTION OF BLOCKS

1.1. Blocks are divided into three types:

FBS - solid;

FBV - solid with a cutout for laying lintels and passing communications under the ceilings of basements and technical undergrounds;

FBP - hollow (with voids open downwards).

1.2. The shape and dimensions of the blocks must correspond to those indicated in Figures 1-3 and Table 1.

Damn.1. FBS type blocks

FBS type blocks

Blocks 300 mm wide

Blocks 400, 500 and 600 mm wide

Drawing 1 (continued)

Damn.2. FBV type blocks

FBV type blocks

Damn.2

Damn.3. FBP type blocks

FBP type blocks

Table 1


Block type	Main block dimensions, mm
		Width
		300; 400; 500; 600

		300; 400; 500; 600

1.3 The structure of the block symbols (brands) is as follows:

Block type (clause 1.1)

Block dimensions in decimeters: length (rounded)

height (rounded)

Type of concrete: heavy - T; on porous aggregates (expanded clay concrete) - P; dense silicate - C

Symbol of this standard

An example of a symbol for an FBS type block with a length of 2380 mm, a width of 400 mm and a height of 580 mm, made of heavy concrete:

FBS24.4.6-T GOST 13579-78

The same, type FBV 880 mm long, 400 mm wide and 580 mm high, made of concrete on porous aggregates (expanded clay concrete):

FBV9.4.6-P GOST 13579-78

The same, type FBP 2380 mm long, 500 mm wide and 580 mm high, made of dense silicate concrete:

FBP24.5.6-S GOST 13579-78

Note. It is allowed to manufacture and use blocks 780 mm long (additional), adopted in standard building designs approved before 01/01/78, for the duration of these projects.

1.4. The brands and characteristics of blocks made of heavy concrete are given in Table 2, those of expanded clay concrete - in Table 3, and those of dense silicate concrete - in Table 4.

With appropriate justification, the use of concrete blocks with classes of compressive strength different from those indicated in Tables 2-4 is allowed. In all cases, no more than B15 and no less should be taken:

B3.5 - for blocks made of heavy concrete and expanded clay concrete;

B12.5 """ dense silicate concrete.

Note. In the symbol for blocks made of concrete of compressive strength classes different from those indicated in Tables 2-4, the corresponding digital index must be entered before the letter characterizing the type of concrete.

table 2


Block brand	Concrete class by compressive strength	Mounting loop	Consumption of materials	Block weight (reference), t
				Concrete, m	Steel, kg
FBS24.3.6-T
FBS24.4.6-T
FBS24.5.6-T
FBS24.6.6-T
FBS12.4.6-T
FBS12.5.6-T
FBS12.6.6-T
FBS12.4.3-T
FBS12.5.3-T
FBS12.6.3-T
FBS9.3.6-T
FBS9.4.6-T
FBS9.5.6-T
FBS9.6.6-T
FBV9.4.6-T
FBV9.5.6-T
FBV9.6.6-T
FBP24.4.6-T
FBP24.5.6-T
FBP24.6.6-T

Note. The mass of the blocks is given for heavy concrete with an average density of 2400 kg/m.

Table 3


Block brand	Concrete class by compressive strength	Mounting loop	Consumption of materials	Block weight (reference), t
				Concrete, m	Steel, kg

FBS24.4.6-P
FBS24.5.6-P
FBS24.6.6-P
FBS12.4.6-P
FBS12.5.6-P
FBS12.6.6-P

FBS12.5.3-P
FBS12.6.3-P
FBS9.3.6-P
FBS9.4.6-P
FBS9.5.6-P
FBS9.6.6-P
FBV9.4.6-P
FBV9.5.6-P
FBV9.6.6-P
FBP24.4.6-P

FBP24.6.6-P

Note. The weight of the blocks, as well as the brand of mounting loops, are given for blocks made of expanded clay concrete with an average density of 1800 kg/m

Table 4


Block brand	Concrete class by compressive strength	Mounting loop	Consumption of materials	Block weight (reference), t
				Concrete, m	Steel, kg
FBS24.3.6-S
FBS24.4.6-S
FBS24.5.6-S
FBS24.6.6-S
FBS12.4.6-S
FBS12.5.6-S
FBS12.6.6-S
FBS12.4.3-S
FBS12.5.3-S
FBS12.6.3-S
FBS9.3.6-S
FBS9.4.6-S
FBS9.5.6-S
FBS9.6.6-S
FBV9.4.6-S
FBV9.5.6-S
FBV9.6.6-S
FBP24.4.6-S
FBP24.5.6-S
FBP24.6.6-S

Note. The mass of blocks, as well as mounting loops, is given for blocks made of dense silicate concrete with an average density of 2000 kg/m.

1.5. The location of the mounting loops in the blocks must correspond to that shown in Figures 1-3. The designs of mounting loops are given in the appendix.

It is allowed to install mounting loops in FBS type blocks with a length of 1180 and 2380 mm at a distance of 300 mm from the ends of the block and flush with its upper plane.

1.4, 1.5. (Changed edition, Amendment No. 1).

2. TECHNICAL REQUIREMENTS

2.1. Materials used for the preparation of concrete must meet the technical requirements established by this standard and comply with applicable standards or specifications for these materials.

(Changed edition, Amendment No. 1).

2.3. Frost resistance and water resistance of concrete should be assigned in the project depending on the operating mode of the structures and climatic conditions of the construction area in accordance with SNiP 2.03.01 for heavy concrete and expanded clay concrete and SN 165 for dense silicate concrete.

2.4. Concrete, as well as materials for preparing concrete blocks intended for use in conditions of exposure to aggressive environments, must meet the requirements of SNiP 2.03.11, as well as the additional requirements of SN 165 for blocks made of dense silicate concrete.

2.6. Delivery of blocks to the consumer should be made after the concrete reaches the required tempering strength (clause 2.2).

2.7. The value of the standardized tempering strength of concrete blocks as a percentage of the compressive strength class should be taken equal to:

50 - for heavy concrete and expanded clay concrete class B 12.5 and higher;

70 " " " class B 10 and below;

80" expanded clay concrete "B 10"

100" dense silicate concrete.

When delivering blocks in the cold season, it is allowed to increase the value of the standardized tempering strength of concrete as a percentage of the compressive strength class, but not more than:

70 - for concrete class B 12.5 and higher;

90 " " " At 10 and below.

2.5-2.7. (Changed edition, Amendment No. 1).

2.8. When releasing blocks to consumers, the moisture content of expanded clay concrete should not be more than 12%.

2.9. The mounting loops of the blocks must be made from smooth class hot-rolled reinforcement bars A-I brands VSt3ps2 and VSt3sp2 or periodic profile Ac-II grade 10GT according to GOST 5781.

Reinforcement made of steel grade VSt3ps2 is not allowed to be used for mounting loops intended for lifting and installing blocks at temperatures below minus 40°C.

2.10. Deviations in millimeters of block sizes should not exceed:

2.11. The deviation from the straightness of the profile of the block surfaces should not exceed 3 mm over the entire length and width of the block.

2.12. The following categories of concrete block surfaces are established:

A3 - front, intended for painting;

A5 - front, intended for finishing with ceramic tiles laid over a layer of mortar;

A6 - front unfinished;

A7 - non-facial, invisible under operating conditions.

Requirements for the quality of block surfaces are in accordance with GOST 13015.

(Changed edition, Amendment No. 1).

2.13. (Deleted, Amendment No. 1).

2.14. In the concrete of blocks accepted in accordance with Section 3, cracks are not allowed, with the exception of local surface shrinkage cracks, the width of which should not exceed 0.1 mm in blocks of heavy and dense silicate concrete and 0.2 mm in blocks of expanded clay concrete.

2.15. Mounting loops must be cleared of concrete deposits.

3. ACCEPTANCE RULES

3.1. Acceptance of blocks should be carried out in batches in accordance with the requirements of GOST 13015 and this standard.

3.3. Concrete tests for water resistance and water absorption of blocks subject to these requirements should be carried out at least once every 3 months.

3.4. The release moisture content of expanded clay concrete should be monitored at least once a month based on the results of testing samples taken from three finished blocks.

The actual release humidity should be assessed based on the results of checking each controlled block based on the average humidity value of samples taken from it.

Section 3. (Changed edition, Amendment No. 1).

4. CONTROL AND TEST METHODS

When testing blocks using non-destructive methods, the actual tempering compressive strength of concrete should be determined by the ultrasonic method in accordance with GOST 17624 or mechanical devices in accordance with GOST 22690, as well as other methods provided for in the standards for concrete testing methods.

(Changed edition, Amendment No. 1).

4.2. (Deleted, Amendment No. 1).

4.3. The grade of concrete for frost resistance must be controlled in accordance with GOST 10060.0 - GOST 10060.4.

4.4. The water resistance of concrete blocks should be determined according to GOST 12730.0 and GOST 12730.5 on a series of samples made from a concrete mixture of the working composition.

(Changed edition, Amendment No. 1).

4.4.1. (Deleted, Amendment No. 1).

4.6. (Deleted, Amendment No. 1).

4.7. The moisture content of expanded clay concrete should be determined according to GOST 12730.0 and GOST 12730.2 by testing samples taken from finished blocks.

At least two samples should be taken from each block.

It is allowed to determine the moisture content of concrete blocks using the dielcometric method according to GOST 21718.

(Changed edition, Amendment No. 1).

4.8. The dimensions and deviation from straightness of the blocks, the position of the mounting loops, as well as the quality of the surfaces and the appearance of the blocks are checked according to GOST 13015.

5. MARKING, STORAGE AND TRANSPORTATION

5.1. Marking of blocks is in accordance with GOST 13015.

Markings and signs should be applied to the side surface of the block.

(Changed edition, Amendment No. 1).

5.2. Blocks should be stored in stacks, sorted by brand and batch and stacked close to each other.

The height of the stack of blocks should not be more than 2.5 m.

5.3. During storage and transportation, each block must be placed on wooden spacers located vertically, one above the other, between the rows of blocks.

The pads under the bottom row of blocks should be laid on a dense, carefully leveled base.

5.4. The thickness of the gaskets must be at least 30 mm.

5.5. The blocks must be transported with reliable fastening that protects them from displacement.

The height of the stack during transportation is set depending on the carrying capacity of vehicles and the permissible loading dimensions.

5.6. Loading, transportation, unloading and storage of blocks must be carried out in compliance with measures to prevent the possibility of damage.

5.7. Requirements for the document on the quality of blocks supplied to the consumer are in accordance with GOST 13015.

(Changed edition, Amendment No. 1).

6. MANUFACTURER WARRANTY

6.1. The manufacturer must guarantee compliance of the supplied blocks with the requirements of this standard, subject to the consumer's compliance with the transportation rules, conditions of use and storage of the blocks established by this standard.

APPENDIX (required). MOUNTING HINGES

APPLICATION
Mandatory

Specification and selection of steel for one mounting loop

Electronic document text
and verified by:
official publication
M.: Standartinform, 2005

GOST 13579-78

Group Zh33

INTERSTATE STANDARD

CONCRETE BLOCKS FOR BASEMENT WALLS

Specifications

Concrete blocks for walls of basements. Specifications

MKC 91.080.40 OKP 58 3500

Date of introduction 1979-01-01

INFORMATION DATA

1. DEVELOPED by the Central Research and Design Institute

standard and experimental design of housing (TsNIIEP housing) Gosgrazhdanstroy

INTRODUCED by the State Committee for Civil Engineering and Architecture under the USSR State Construction Committee

2. APPROVED AND ENTERED INTO EFFECT by Resolution of the State Committee of the Council of Ministers of the USSR for Construction Affairs dated December 30, 1977 N 234

3. INSTEAD GOST 13579-68

4. REFERENCE REGULATIVE AND TECHNICAL DOCUMENTS

			Item number


	GOST 5781-82
	GOST 10060.0-95


	GOST 10060.1-95


	GOST 10060.2-95


	GOST 10060.3-95


	GOST 10060.4-95


	GOST 10180-90


	GOST 12730.0-78


	GOST 12730.2-78


	GOST 12730.3-78


	GOST 12730.5-84


	GOST 13015-2003

			2.7, 2.12, 3.1, 4.8, 5.1, 5.7
	GOST 17624-87


	GOST 18105-86


	GOST 21718-84

	GOST 22690-88
	SNiP 2.03.01-84


	SNiP 2.03.11-85

5. EDITION (October 2005) with Amendment No. 1, approved in November 1985

(IUS 3-86)

This standard applies to blocks made from heavy concrete, as well as expanded clay concrete and dense silicate concrete of medium density (in a dried to constant weight state) of at least

1800 kg/m and intended for walls of basements and technical undergrounds of buildings.

Solid blocks can be used for foundations. (Changed edition, Amendment No. 1).

1. TYPES AND CONSTRUCTION OF BLOCKS

1.1. Blocks are divided into three types: FBS - solid;

FBV - solid with a cutout for laying lintels and passing communications under the ceilings of basements and technical undergrounds;

FBP - hollow (with voids open downwards).

1.2. The shape and dimensions of the blocks must correspond to those indicated in Figures 1-3 and Table 1.

Damn.1. FBS type blocks

FBS type blocks

Blocks 300 mm wide

Blocks 400, 500 and 600 mm wide

Drawing 1 (continued)

Damn.2. FBV type blocks

FBV type blocks

Damn.3. FBP type blocks

FBP type blocks

Table 1

Block type	Main block dimensions, mm





		300; 400; 500; 600





		300; 400; 500; 600

1.3 The structure of the block symbols (brands) is as follows:

Block type (clause 1.1)

Block dimensions in decimeters: length (rounded)

height (rounded)

Type of concrete: heavy - T; on porous aggregates (expanded clay concrete) - P; dense silicate - C

Symbol of this standard

An example of a symbol for an FBS type block with a length of 2380 mm, a width of 400 mm and a height of 580 mm, made of heavy concrete:

FBS24.4.6-T GOST 13579-78

The same, type FBV 880 mm long, 400 mm wide and 580 mm high, made of concrete on porous aggregates (expanded clay concrete):

FBV9.4.6-P GOST 13579-78

The same, type FBP 2380 mm long, 500 mm wide and 580 mm high, made of dense silicate concrete:

FBP24.5.6-S GOST 13579-78

Note. It is allowed to manufacture and use blocks 780 mm long (additional), adopted in standard building designs approved before 01/01/78, for the duration of these projects.

1.4. The brands and characteristics of blocks made of heavy concrete are given in Table 2, those of expanded clay concrete - in Table 3, and those of dense silicate concrete - in Table 4.

With appropriate justification, the use of concrete blocks with classes of compressive strength different from those indicated in Tables 2-4 is allowed. In all cases, the concrete class for compressive strength should be taken no more than B15 and no less:

B3.5 - for blocks made of heavy concrete and expanded clay concrete; B12.5 """ dense silicate concrete.

table 2

Assembly

Block weight

concrete according to

materials

(reference)

strength

for compression

INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (IGS)

INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC,

INTERSTATE

STANDARD

CONCRETE BLOCKS FOR BASEMENT WALLS Technical specifications

Official publication

mmhja

StM1LfTM1fP[M

Preface

The goals, basic principles and basic procedure for carrying out work on interstate standardization are established in GOST 1.0-2015 “Interstate standardization system. Basic provisions" and GOST 1.2-2015 "Interstate standardization system. Interstate standards. rules and recommendations for interstate standardization. Rules for development, acceptance, updating and cancellation"

Standard information

1 DEVELOPED Joint stock company"TsNIIEP Housing - Institute of Integrated Design of Residential and public buildings"(JSC "TSNIIEP Dwellings")

2 INTRODUCED by the Technical Committee for Standardization TC 465 “Construction”

3 ADOPTED by the Interstate Council for Standardization, Metrology and Certification (protocol dated May 30, 2018 No. 109-P)

4 By Order of the Federal Agency for Technical Regulation and Metrology dated October 5, 2018 N9 709-st, the interstate standard GOST 13579-2018 was put into effect as a national standard Russian Federation from May 1, 2019

5 INSTEAD GOST 13579-78

Information about changes to this standard is published in the annual information index “National Standards”, and the text of changes and amendments is published in the monthly information index “National Standards”. In the event of a review (replacement) or revision of this standard, the corresponding notice will be published in the monthly information index “National Standards”. Relevant information, notices and texts are also posted in information system for general use - on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet (www.gost.ru)

In the Russian Federation, this standard cannot be fully or partially reproduced, replicated and distributed as an official publication without permission from the Federal Agency for Technical Regulation and Metrology

GOST 13579-2018

INTERSTATE STANDARD

CONCRETE BLOCKS FOR BASEMENT WALLS

Specifications

Concrete blocks for walls of basements. Specifications

Date of introduction - 2019-05-01

1 area of use

This standard applies to blocks made from heavy concrete, as well as light and dense silicate concrete with an average density of at least 1800 kg/m 3 and intended for walls of basements and technical undergrounds of buildings.

This standard establishes the types and designs of concrete blocks for basement walls, and technical requirements for them.

Solid blocks can be used for foundations.

The requirements of this standard should be taken into account when developing regulatory documents And working documentation on concrete blocks of specific types of basement walls.

8 of this standard uses regulatory references to the following interstate standards:

GOST 10060-2012 Concrete. Methods for determining frost resistance

GOST 10180-2012 Concrete. Methods for determining strength using control samples

GOST 10922-2017 Reinforcement and embedded products, their welded, knitted and mechanical

connections for reinforced concrete structures. General technical conditions

GOST 12730.0-78 Concrete. General requirements to methods for determining density and humidity.

water absorption. porosity and water resistance

GOST 12730.2-78 Concrete. Method for determining humidity GOST 12730.3-78 Concrete. Method for determining water absorption GOST 12730.5-84 Concrete. Methods for determining water resistance

GOST 13015-2012 Concrete and reinforced concrete products for construction. General technical requirements. Rules for acceptance, labeling, transportation and storage

GOST 17624-2012 Concrete. Ultrasonic method for determining the strength of GOST 18105-2010 Concrete. Rules for monitoring and assessing strength

GOST 21718-84 Construction materials. Dialcometric method for determining humidity GOST 22690-2015 Concrete. Determination of strength mechanical methods non-destructive

control

GOST 26433.0-85 System for ensuring the accuracy of geometric parameters in construction.

Rules for performing measurements. General provisions

GOST 26433.1-89 System for ensuring the accuracy of geometric parameters in construction.

Rules for performing measurements. Factory-made elements

GOST 34028-2016 Reinforcing bars for reinforced concrete structures. Specifications

Official publication

Note - When using this standard, it is advisable to check the validity of the reference standards in the public information system - on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet using the annual information index “National Standards”, which was published as of January 1 of the current year, and on issues of the monthly information index “National Standards” for the current year. If the reference standard is replaced (changed), then when using this standard you should be guided by the replacing (changed) standard. If the reference standard is canceled without replacement, then the provision in which a reference is made to it is applied in the part that does not affect this reference.

3 Terms and definitions

The following terms with corresponding definitions are used in this standard:

3.1 block: Structural assembly element or product rectangular shape, weighing from tens of kilograms to several tons, usually manufactured in a factory.

3.2 concrete block: A block whose strength during operation is provided by concrete alone. A block is considered concrete if it has structural reinforcement or working reinforcement in limited areas - zones of concentration of forces.

3.3 concrete block for basement walls: Concrete block used for the construction of basement walls or the technical underground of a building.

4 Types and design of blocks

4.1 Blocks are divided into three types:

FBS - solid;

FBV - with a cutout for laying jumpers and passing communications under the ceilings of basements and technical undergrounds:

FBP - hollow (with voids open downwards).

4.2 The shape and dimensions of the blocks must correspond to those indicated in Figures 1.2.3 and Table 1.

A - blocks 300 mm wide

B - blocks with a width of 400, 500,600 mm

Figure 2 - FBV type blocks

R45 at b = 400

Figure 3 - FBP type blocks

P2 - mounting loops

Table 1

4.3 The structure of the block symbols (brands) is as follows:

TKiflno«a(e*.4.i)

Riivri block in dmtyutros Length (rounded)

height (rounded)

Vir loaf:

tazhyagy-T

PSHLMv (MLIZHTNYN-S Designation of the Natvishzho standard

An example of a symbol (brand) of an FBS type block with a length of 2380 mm, a width of 400 mm and a height of 580 mm made of heavy concrete:

FBS 24.4.6-T GOST 13579-2018

Same. FBV type, 880 mm long. 400 mm wide and 580 mm high made of lightweight concrete:

FBV 9.4.6-L GOST 13579-2018

Same. FBP type, length 2380 mm. 500 mm wide and 580 mm high, made of dense silicate concrete:

FBP 24.S.6-C GOST 13579-2018

Note - It is allowed to accept the designations of block brands in accordance with the working drawings of standard structures.

4.4 The brands and characteristics of blocks made of heavy concrete are given in Table 2. those of lightweight concrete - in Table 3. those of dense silicate concrete - in Table 4.

With appropriate justification, the use of blocks made of concrete of classes of compressive strength different from those indicated in Tables 2-4 is allowed. In all cases, the compressive strength class of concrete should be no more than B15 and no less:

B3.5 - for blocks of heavy and light concrete;

B12.5 - for blocks made of dense silicate concrete.

Note - In the symbol for blocks made of concrete of compressive strength classes different from those indicated in Tables 2-4, the corresponding digital index should be entered before the letter B indicating the type of concrete.

4.5 The location of the mounting loops in the blocks must correspond to that shown in Figures 1-3. The designs of mounting loops are shown in Figure A.1 of Appendix A.

It is allowed to install mounting loops in FBS type blocks with a length of 1180 and 2380 mm at a distance of 300 mm from the ends of the block and flush with its upper plane.

table 2

Concrete class according to

strength

compression

Mounting loop

Weight of concrete (reference),

Note - Mass values are given taking into account the manufacture of blocks of heavy concrete with an average density of 2400 kg/m 3.

	Quantity.
FBS 24.3.6-T FBS 24.4.6-T
FBS 24.5.6-T FBS 24.6.6-T
FBS 12.4.6-T FBS 12.5.6-T FBS 12.6.6-T
FBS 12.4.3-T FBS 12.5.3-T FBS 12.6.3-T
FBS 9.3.6-T FBS 9.4.6-T


FBP 24.4.6-T FBP 24.5.6-T FBP 24.6.6-T

Table 3

Concrete class according to

strength

io compression

Mounting loop

Material consumption (reference)

Weight of concrete (reference).

	Quantity.
FBS 24.3.6-L FBS 24.4.6-L FBS 24.5.6-L
FBS 24.6.6-L
FBS 12.4.6-L
FBS 12.5.6-L
FBS 12.6.6-L
FBS 12.4.3-L FBS 12.5.3-L FBS 12.6.3-L
FBS 9.3.6-L FBS 9.4.6-L FBS 9.5.6-L FBS 9.6.6-L FBV 9.4.6-L FBV 9.5.6-L FBV 9.6.6-L
FBP 24.4.6-L FBP 24.5.6-L FBP 24.6.6-L

Note - The mass values, as well as the brand of mounting loops, are given taking into account the manufacture of blocks of lightweight concrete with an average density of 1800 kg/m 3.

Table 4

Concrete class according to

strength

no compression

Mounting loop

Material consumption (reference)

Weight of concrete (reference), t

	Quantity.
FBS 24.3.6-S FBS 24.4.6-S FBS 24.5.6-S
FBS 24.6.6-S
FBS 12.4.6-S
FBS 12.5.6-S FBS 12.6.6-S
FBS 12.4.3-S FBS 12.5.3-S FBS 12.6.3-S
FBS 9.3.6-S FBS 9.4.6-S FBS 9.5.6-S FBS 9.6.6-S FBV 9.4.6-S FBV 9.5.6-S FBV 9.6.6-S

End of table 4

Note to tables 2-4 - Reference values for steel consumption indicators are given to determine the estimated cost of the product.

4.6 When using special gripping devices for lifting and mounting blocks, it is allowed, by agreement between the manufacturer, the consumer and the design organization, to manufacture blocks without mounting loops.

5 Technical requirements

5.1 Materials used for the preparation of concrete must ensure compliance with the technical requirements established by this standard and comply with current standards or specifications for these materials.

5.2.1 The actual strength of concrete blocks (at design age and tempering) must correspond to the required one, assigned according to GOST 18105 depending on the standardized strength of concrete specified in the design documentation for the building or structure, and on the indicator of the actual uniformity of concrete strength.

5.2.2 Frost resistance and water resistance of concrete should be indicated in the project depending on the operating mode of the structures and climatic conditions of the construction area in accordance with regulatory documents for heavy and lightweight concrete 1 and dense silicate concrete 2 in force in the territory of the state party to the Agreement that has adopted this standard.

5.2.3 Concrete, as well as materials for the preparation of concrete blocks intended for use in conditions of exposure to an aggressive environment, must meet the requirements of current regulatory documents 3 in force in the territory of the state party to the Agreement that has adopted this standard, as well as additional requirements for blocks made of dense silicate concrete regulatory documents 2 in force on the territory of the state party to the Agreement. has adopted this standard.

5.2.4 Concrete classes for compressive strength, concrete grades for frost resistance and water resistance. and, if necessary, the requirements for concrete and materials for its preparation (see 5.4) must correspond to the design requirements specified in orders for the production of blocks.

5.2.5 Delivery of blocks to the consumer should be made after the concrete reaches the required tempering strength (see 5.1).

5.2.6 The value of the standardized tempering strength of concrete blocks (as a percentage of the compressive strength class) should be taken as no less than:

50 - for concrete class B15 and higher:

70 - for concrete class B12.5 and below:

100 - for autoclaved concrete.

The standard tempering strength of concrete should be taken from the design documentation for a specific building or structure in accordance with the requirements of GOST 13015.

Delivery of blocks with a tempering strength of concrete below the strength corresponding to its class in terms of compressive strength is carried out provided that the manufacturer guarantees that the concrete will achieve the required strength at the design age, determined by the results of testing control samples made from a concrete mixture of the working composition and stored in conditions in accordance with GOST 18105.

5.2.7 When releasing blocks to the consumer, the moisture content of lightweight concrete should not be more than 12%.

5.3 Reinforcement products

5.3.1 The mounting loops of the blocks should be made from hot-rolled smooth reinforcement bars of class A240, grades VStZps2 and VStZsp2, or periodic profiles of class AsZOO, grade 10GT according to GOST 34028.

Reinforcement made of steel grade VStZps2 is not allowed to be used for mounting loops intended for lifting and installing blocks at temperatures below minus 40 * C.

5.3.2 Requirements for steel grades for reinforcement products (including mounting hinges), as well as for corrosion protection of exposed surfaces of reinforcement products - in accordance with GOST 13015.

5.3.3 The shape and dimensions of the reinforcement products and their position in the blocks must correspond to those indicated in the working drawings.

5.3.4 Welded reinforcement and steel embedded products must comply with the requirements of GOST 10922.

5.4 Accuracy of geometric parameters of blocks

5.4.1 Deviations in the design dimensions of blocks should not exceed, mm:

length...................................±13:

in width and height................................±8;

according to cutout sizes........................±5.

5.4.2 The deviation from the straightness of the profile of the block surfaces should not exceed 3 mm over the entire length and width of the block.

5.5 Quality of block surfaces

5.5.1 Requirements for the quality of block surfaces - according to GOST 13015.

The following categories of concrete block surfaces are established:

AZ - front, intended for painting:

A5 - front, intended for finishing with ceramic tiles laid over a layer of mortar:

A6 - front, unfinished;

A7 - non-facial, not visible under operating conditions.

5.5.2 Cracks are not allowed in the concrete of blocks accepted in accordance with Section 6, with the exception of local surface shrinkage cracks, the width of which should not exceed 0.1 mm in blocks of heavy and dense silicate concrete and 0.2 mm in blocks of lightweight concrete.

5.5.3 Mounting loops must be cleared of concrete deposits.

6 Acceptance rules

6.1 Acceptance of blocks should be carried out in batches in accordance with the requirements of GOST 13015 and this standard.

6.2 Acceptance of blocks for frost resistance and water resistance of concrete, release moisture content of lightweight concrete, as well as water absorption of concrete blocks intended for use in an environment with an aggressive degree of exposure should be carried out based on the results of periodic tests.

6.3 Tests of concrete for water resistance and water absorption of blocks subject to these requirements should be carried out at least once every 3 months.

6.4 The release moisture content of lightweight concrete should be monitored at least once a month based on the results of testing samples taken from three finished blocks.

The actual release humidity should be assessed based on the results of checking each controlled block based on the average humidity value of samples taken from it.

6.5 Acceptance of blocks in terms of concrete strength (class of concrete in terms of compressive strength and tempering strength), compliance of mounting loops with the requirements of this standard, accuracy of geometric parameters, opening width of technological cracks and category of concrete surface of blocks should be carried out based on the results of acceptance tests and control.

6.6 Acceptance of blocks in terms of accuracy of geometric parameters, concrete surface category and technological crack opening width should be carried out based on the results of random inspection.

6.7 Acceptance of blocks for the presence of mounting loops, correct application of markings and signs should be carried out through continuous inspection with the rejection of blocks that have defects according to the specified indicators.

7 Control and test methods

7.1 The compressive strength of concrete should be determined according to GOST 10180 on a series of samples made from a concrete mixture of the working composition and stored under the conditions established by GOST 18105.

When testing blocks using methods non-destructive testing the actual tempering compressive strength of concrete should be determined by the ultrasonic method in accordance with GOST 17624 or mechanical devices in accordance with GOST 22690, as well as other methods provided for by the standards for concrete testing methods.

7.2 The grade of concrete for frost resistance should be determined according to GOST 10060.

7.3 The water resistance of concrete blocks should be determined according to GOST 12730.0 and GOST 12730.5 on a series of samples made from a concrete mixture of the working composition.

7.4 Water absorption of concrete blocks intended for use in conditions of exposure to an aggressive environment should be determined in accordance with the requirements of GOST 12730.0 and GOST 12730.3 on a series of samples made from a concrete mixture of the working composition.

7.5 The moisture content of lightweight concrete should be determined according to GOST 12730.0 and GOST 12730.2 by testing samples taken from finished blocks.

At least two samples should be taken from each block.

It is allowed to determine the moisture content of concrete blocks using the dilometer method according to GOST 21718.

7.6 Dimensions and deviations from straightness of blocks, position of mounting loops, opening width of technological cracks, sizes of cavities, sagging and edges of concrete blocks should be determined by the methods established by GOST 26433.0 and GOST 26433.1.

8 Labeling, storage and transportation

8.1 Marking

8.1.1 Marking of blocks should be carried out in accordance with the requirements of GOST 13015.

8.1.2 Markings and signs should be applied to lateral surface block.

Allowed by agreement between the manufacturer and the consumer and the design organization - the author

of a specific building project, instead of stamps, apply their abbreviated stamps to the blocks symbols, adopted from the design documentation of a specific building.

8.2 Storage and transportation

8.2.1 The slabs should be stored and transported in accordance with the requirements of GOST 13015 and this standard.

8.2.2 Blocks should be stored in stacks, sorted by brand and batch and laid close to each other.

The height of the stack of blocks should be no more than 2.5 m.

8.2.3 During storage and transportation, each block should be placed on pads.

The gaskets must be located vertically, one above the other, in the places indicated in the working drawings, and in the absence of such instructions, between the rows of blocks.

The pads under the bottom row of blocks should be laid on a dense, carefully leveled base.

8.2.4 The thickness of the gaskets must be at least 30 mm.

8.2.5 During transportation, the blocks must be securely secured against displacement.

The height of the stack during transportation is set depending on the carrying capacity of vehicles and the permissible loading dimensions.

8.2.6 Loading, transportation, unloading and storage of blocks should be carried out in compliance with the measures. excluding the possibility of their damage.

8.2.7 Requirements for the document on the quality of blocks supplied to the consumer. - according to GOST 13015.

Additionally, the document on the quality of the blocks must indicate concrete grades for frost resistance and water resistance, as well as water absorption (if these indicators are specified in the order for the production of blocks).

9 Manufacturer's warranty

The manufacturer shall ensure that the units supplied comply with the requirements of this standard and technical specifications provided that transport organizations comply with transportation rules. and by the consumer - the conditions of use and storage of blocks established by this standard.

Appendix A (mandatory)

Mounting loops

Figure A.1 and Table A.1 show mounting loops P1. P2. P2a. PZ. P4.

Figure A.1 - Mounting loops P1. P2. P2a. PZ. P4

Table A.1 - Specification and selection of steel for one assembly point

UDC 691.328.1.022*413:006.354 MKS 91.080.40

Key words: concrete block, basement block, length and width, brand, concrete, class, technical requirements, mounting loop

Editor L.S. Zimipova Technical editor V.N. Prusakova Corrector L.S. Lysenko Computer layout I.A. Napeikina

Delivered for recruitment on 10/08/2018. Signed for publication on October 30, 2018. Format 60*84’/^. Arial typeface. Conditional oven l. 1.86. Uch.-iad. l. 1.68.

Prepared based on the electronic version provided by the developer of the standard

Created as a one-off. 117418 Moscow, Nakhimovsky Prospekt, 31. building 2. wwbv.gostinfo.ru

In the Russian Federation, SP 63.13330.2012 “SNiP 52-01-2003 Concrete and reinforced concrete structures. Basic provisions".