GOST 13579 78 Plates of reinforced concrete belt foundations. Concrete blocks for basement walls. Control and Test Methods

State Standard of the SSR Union

Concrete blocks for basement walls

Technical conditions

GOST 13579-78

State Construction Committee of the USSR

Moscow

State Standard of the SSR Union

Date of administration 01.01.79

This standard applies to blocks made of heavy concrete, as well as light and dense silicate average density concrete at least 1800 kg / m 3 and intended for the walls of basements and technical underground buildings. Solid blocks are allowed to apply for foundations.

(Modified edition, change No. 1).

1. Types and block design

1.1. Blocks are divided into three types:

FBS - solid;

FBB - solid with a cut-out for laying jumpers and passing communications under the ceilings of basements and technical underground;

FBP - void (with open down voids).

1.2. The shape and sizes of blocks should correspond to the specified on - and in Table. one.

Table 1

Block type	The main dimensions of the block, mm
	Lengthl.	Widthb.	Height h.

FBS blocks type blocks

A. Blocks 300 mm wide

With the appropriate justification, it is allowed to use blocks from classes of classes for compression strength, differing from those indicated in -. At the same time, in all cases, the concrete class for compressive strength should be taken no more than B15 and not less:

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

B12.5 - for blocks of dense silicate concrete.

Note. In the conditional designation of blocks from classes of classes for compressive strength, differing from the specified B, the corresponding digital index should be administered in front of the letter, which characterizes the type of concrete.

1.5. The location of the mounting loops in blocks must correspond to the specified on -. Constructions of mounting loops are given in.

It is allowed to install mounting hinges in the 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.

1.3 - 1.5.

Block brand	Concrete class by compressive strength	Mounting loop		Consumption of materials		Block mass (reference), t
Block brand	Concrete class by compressive strength	Mark.	number	Concrete, m 3	Steel, kg.	Block mass (reference), t

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

2.7. The value of the normalized vacation strength of the concrete blocks (as a percentage of the compression strength) should be taken equal to:

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

70 - for heavy concrete class B10 and below;

80 - for lightweight concrete class B10 and below;

100 - for dense silicate concrete.

When delivering blocks during the cold year of the year, it is allowed to increase the normalized vacation strength of concrete, but no more values \u200b\u200b(as a percentage of class by compression strength):

70 - for concrete class B12.5 and higher;

90 - for concrete class B10 and below.

The value of the normalized vacation strength of the concrete should be taken by project documentation for a specific building or structure in accordance with the requirements of GOST 13015.0.

The supply of blocks with the vacation strength of concrete is below the strength corresponding to its compression strength, provided if the manufacturer ensures that concrete blocks of the required strength at design age, determined by the results of the test of control samples made from a concrete mix of the work maker and stored in the context According to GOST 18105.

2.5 - 2.7. (Modified edition, change No. 1).

2.8. When you leave the blocks to the consumer, the humidity of the lung concrete should not be more than 12%.

(Modified edition, change No. 1).

2.9. The mounting loops of the blocks should be made of rod hot-rolled reinforcement of the A-I-I brand of East Marks2 and Es3P2 or Periodic Profile AC-II, Mark 10GT according to GOST 5781.

The reinforcement of steel brand EST3PS2 is not allowed to be used for mounting loops intended for lifting and installing blocks at temperatures below minus 40 ° C.

2.10. Deviations of design sizes of blocks should not exceed mm:

in length 13.

in width and height 8

in size cuts 5

2.11. The deviation from the rectinity of the profile of the block surfaces should not exceed 3 mm throughout the length and width of the unit.

(Modified edition).

2.12. The following categories of the concrete surface of the blocks are established:

A3 - facial intended under the color;

A5 - facial, intended for decoration by ceramic tiles stacked by a layer of solution;

A6 - facial, injustable;

A7 - Nelfish, not visible under operating conditions.

Requirements for the quality of block surfaces - according to GOST 13015.0.

(Modified edition, change No. 1).

2.13. (Excluded, change No. 1).

2.14. In concrete blocks received according to section. 3, cracks are not allowed, with the exception of local surface shrinkage, the width of which should not exceed 0.1 mm in blocks of heavy and dense silicate concrete and 0.2 mm in light concrete blocks.

(Modified edition, change No. 1).

2.15. Mounting hinges should be cleaned of concrete floors.

3. Acceptance

3.1. The reception of blocks should be made in batches in accordance with the requirements of GOST 13015.1 and this standard.

3.2. Accepting blocks for frost resistance and waterproof of concrete, lung-concrete moisture, as well as on water absorption of concrete blocks intended for operation in a medium with an aggressive degree of exposure, should be made according to the results of periodic tests.

3.3. Concrete tests for waterproof and water absorption of blocks to which these requirements impose, should be carried out at least once every 3 months.

3.4. The vacation moisture content of light concrete should be controlled at least once a month according to the results of testing samples selected from three finished blocks.

Evaluation of actual release humidity should be carried out according to the results of the inspection of each controlled block on the average value of the humidity of the samples selected from it.

3.5. The acceptance of blocks in terms of concrete strength (concrete class for compressive strength and vacation strength), compliance with mounting loops with the requirements of this standard, the accuracy of geometric parameters, the width of the disclosure of the technological cracks and the category of the concrete surface of the blocks should be made according to the results of acceptance tests.

3.6. Accepting blocks in terms of accuracy of geometric parameters, the category of concrete surface and the width of the disclosure of technological cracks should be carried out according to the results of selective control.

3.7. Accepting blocks on the presence of mounting loops, the correctness of the applied marking inscriptions and signs should be made by continuous control with the rejection of blocks having defects at the specified indicators.

Section. 3. (Modified edition, change No. 1).

4. Monitoring and Test Methods

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

When testing blocks by non-destructive methods, the actual vacation strength of concrete concrete should be determined by the ultrasound method according to GOST 17624 or mechanical action devices according to GOST 22690, as well as other methods provided by standards for concrete testing methods.

(Modified edition, change No. 1).

4.2. (Excluded, change No. 1).

4.3. The brand of frost resistance concrete should be determined according to GOST 10060.

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

(Modified edition, change No. 1).

4.4.1. (Excluded, change No. 1).

4.5. Water absorption of concrete blocks intended for use under the conditions of 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 mix of the work maker.

(Modified edition, change No. 1).

4.6. (Excluded, change No. 1).

4.7. The humidity of light concrete should be determined according to GOST 12730.0 and GOST 12730.2 testing of samples selected from finished blocks.

From each block should be selected at least two samples.

It is allowed to determine the humidity of the concrete blocks by the dielcometric method according to GOST 21718.

(Modified edition, change No. 1).

GOST 13579-78

UDC 691.327-412: 006.354

Group Ж33

Interstate standard

Concrete blocks for basement walls

Technical conditions

Concrete Blocks for Walls of Basements.

date administration 1979-01-01

Information details

1. Developed

Central Research and Research Institute of Model and Experimental Housing Design (TSNIIEP Housing) Government Statement

All-Union Research Institute of Factory Technology of Precast Concrete Designs and Products (VNIRIEWSBETON) of the Ministry of Industry of Building Materials of the USSR

Deposited by the State Committee for Civil Engineering and Architecture under the USSR State

2. Approved and commissioned by the Resolution of the State Committee of the Council of Ministers of the USSR for Construction Affairs of 30.12.77 No. 234

3. Instead of GOST 13579-68

4. Reference regulatory and technical documents

	Point number		Point 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)

This standard applies to blocks made of heavy concrete, as well as a ceramzite concrete and a dense silicate concrete of medium density (in a condition dried to constant) at least 1800 kg / m 3 and those intended for the walls of basements and technical underground buildings.

Solid blocks are allowed to apply for foundations.

1. Types and block design

1.1. Blocks are divided into three types:

FBS - solid;

FBB - solid with a cut-out for laying jumpers and passing communications under the ceilings of basements and technical underground;

FBP - void (with open down voids).

1.2. The shape and size of blocks must match the specified. 1-3 and in Table. one.

FBS blocks type blocks

Blocks width 300 mm

Blocks width 400, 500 and 600 mm

FBB blocks

PBP type blocks

Table 1

1.3. The structure of the conditional designation (stamps) of the blocks is as follows:

Block type (paragraph 1.1)

Block dimensions in decimeters:

length (rounded)

height (rounded)

Type of concrete: heavy - t; on porous aggregates (ceramzite concrete) - n; dense silicate - with

Designation of this Standard

An example of the conditional designation of the FBS type block, a length of 2380 mm, 400 mm wide and a height of 580 mm, from heavy concrete:

FBS24.4.6 -T GOST 13579-78

The same, type of FBB, a length of 880 mm, a width of 400 mm and a height of 580 mm, from concrete on porous aggregates (ceramzite concrete):

FBV9.4.6 -P GOST 13579-78

The same, type of fbp, a length of 2380 mm, a width of 500 mm and a height of 580 mm, from a dense silicate concrete:

FBP24.5.6 -C GOST 13579-78

Note. It is allowed to manufacture and use blocks, a length of 780 mm (Dobly), adopted in the typical projects of buildings approved to 01.01.01.78, during these projects.

1.4. The brands and characteristics of heavy concrete blocks are shown in Table. 2, from the ceramzite concrete - in table. 3, from a dense silicate concrete - in Table. four.

With the appropriate substantiation, it is allowed to use concrete blocks with classes for compression strength, differ from those specified in Table. 2-4. At the same time, in all cases should be taken no more than B15 and not less:

B3.5 - for heavy concrete blocks and ceramzite concrete;

B12.5 - "" "dense silicate concrete.

Note. In the conditional designation of blocks from concretees with grades for compression strength, differ from those indicated in Table. 2-4, the corresponding digital index must be administered in front of the letter, which characterizes the type of concrete.

table 2

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

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

Table 3.

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

Note. The mass of blocks, as well as the brand of mounting loops, is given for blocks from the ceramzite concrete medium density of 1800 kg / m 3.

Table 4.

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

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

1.5. The location of the mounting loops in blocks must correspond to the specified damn. 1-3. Constructions of mounting loops are shown in the application.

It is allowed to install mounting hinges in the 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 applying for lifting and installation of blocks of special gripping devices, it is allowed, in coordinating the manufacturer with the consumer and the project organization, the manufacture of blocks without mounting loops.

1.4, 1.5. (Modified edition, change No. 1).

2. Technical requirements

2.1. Materials used to prepare concrete should ensure the performance of technical requirements established by this standard and meet the current standards or specifications for these materials.

2.2. The actual strength of the concrete blocks (at design age and the vacation) must comply with the required applicable under GOST 18105, depending on the normalized strength of the concrete specified in the project documentation for the building or structure, and on the actual uniformity of concrete strength.

(Modified edition, change No. 1).

2.3. Frost resistance and concrete waterproof must be appointed in the project depending on the mode of operation of the structures and climatic conditions of the construction area according to SNiP 2.03.01 - for heavy concrete and ceramzite concrete and CH 165 - for dense silicate concrete.

2.4. Concrete, as well as materials for the preparation of concrete blocks intended for use under the conditions of an aggressive environment, should meet the requirements of SNiP 2.03.11, as well as the additional requirements of CH 165 for blocks of dense silicate concrete.

2.5. Concrete classes for compressive strength, concrete brand for frost resistance and waterproof, and, if necessary, and requirements for concrete and materials for its preparation (see paragraph 2.4), must comply with the project specified in orders for the manufacture of blocks.

2.6. Supply of blocks to the consumer must be made after reaching the concrete required vacation strength (p. 2.2).

2.7. The value of the normalized vacation strength of the concrete blocks in percentage of the compression strength should be taken to be equal to:

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

70 - "" class B10 and below;

80 - "ceramzite concrete" B10 and below;

100 - "dense silicate concrete.

When delivering blocks during the cold period of the year, it is allowed to increase the value of the normalized vacation strength of concrete as a percentage of the class by compressive strength, but not more;

70 - for concrete class B12.5 and higher;

90 - "" "B10 and below.

The value of the normalized vacation strength of the concrete should be taken by project documentation for a specific building or structure in accordance with the requirements of GOST 13015.0.

2.5-2.7. (Modified edition, change No. 1).

2.8. When you leave the blocks to the consumer, the humidity of the ceramzitobetone should not be more than 12%.

2.9. Installation loops of blocks should be made of rod hot-rolled reinforcement-class A-I brands in Es3PS2 and EST3SP2 or Periodic Profile AC-II, grade 10GT according to GOST 5781.

The reinforcement of steel brand Es3PS2 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 design sizes of blocks should not exceed:

2.11. The deviation from the rectinity of the profile of the block surfaces should not exceed 3 mm for the entire length and width of the unit.

2.12. The following categories of the concrete surface of the blocks are set:

A3 - facial intended under the color;

A5 - facial, intended for decoration by ceramic tiles stacked by a layer of solution;

A6 - facial, injustable;

A7 - Neltsy, invisible in operating conditions.

Requirements for the quality of block surfaces - according to GOST 13015.0.

(Modified edition, change No. 1).

2.13. (Excluded, change No. 1).

2.15. Mounting hinges should be cleaned of concrete floors.

3. Rules of acceptance

3.1. The reception of blocks should be carried out by parties in accordance with the requirements of GOST 13015.1 and this standard.

3.2. Accepting blocks for frost resistance and waterproof of concrete, vacation humidity of the ceramzite concrete, as well as the water absorption of concrete blocks intended for operation in a medium with an aggressive degree of exposure, should be carried out according to the results of periodic tests.

3.3. Concrete tests for waterproof and water absorption of blocks to which these requirements impose, should be carried out at least once every three months.

3.4. The vacation moisture content of the ceramzitobetone should be controlled at least once a month according to the results of testing samples selected from three finished blocks.

Evaluation of actual release humidity should be carried out according to the results of the inspection of each controlled block on the average value of the humidity of the samples selected from it.

3.5. The reception of the blocks in terms of concrete strength (concrete class for compressive strength and vacation strength), compliance with the mounting loops, the requirements of this standard, the accuracy of geometric parameters, the width of the operating cracks and the category of the concrete surface of the blocks should be carried out according to the results of acceptance tests.

3.6. Acceptance of blocks in terms of accuracy of geometric parameters, the category of concrete surface and the width of the technological cracks should be carried out according to the results of single-stage selective control.

3.7. Accepting blocks on the presence of mounting loops, the correctness of the labeling inscriptions and signs should be carried out by continuous control with the rejection of blocks having defects at the specified indicators.

Section. 3. (Modified edition, change No. 1).

4. Monitoring and Test Methods

(Modified edition, change No. 1).

4.2. (Excluded, change No. 1).

4.3. Mark concrete on frost resistance should be monitored in accordance with GOST 10060.0 - GOST 10060.4.

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

(Modified edition, change No. 1).

4.4.1. (Excluded, change No. 1).

4.6. (Excluded, change No. 1).

4.7. The humidity of the ceramzite concrete should be determined according to GOST 12730.0 and GOST 12730.2 testing of samples selected from finished blocks.

From each block should be selected at least two samples.

It is allowed to determine the humidity of the concrete blocks by the dielcometric method according to GOST 21718.

(Modified edition, change No. 1).

4.8. The dimensions and deviation from the rectinity 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 13015.0.

5. Marking, Storage and Transportation

5.1. Block marking - according to GOST 13015.2.

Marking inscriptions and signs should be applied on the side surface of the block.

(Modified edition, change No. 1).

5.2. Blocks should be stored in stacks sorted by brands and parties and laid close to each other.

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

5.3. When storing and transporting, each block should be laid on wooden gaskets located vertically one over the other between rows of blocks.

Lining under the lower row of blocks should be laid on a dense, thoroughly aligned base.

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

5.5. Transportation of blocks should be carried out with reliable fixing that protects them from offset.

The height of the stack during transportation is established depending on the carrying capacity of vehicles and the allowable loading dimension.

5.6. Loading, transportation, unloading and storage of blocks should be carried out in compliance with measures that exclude their damage.

5.7. Requirements for the document on the quality of blocks supplied by the consumer - according to GOST 13015.3.

In addition, in the document on the quality of the blocks, concrete brands on frost resistance and waterproof, as well as concrete water absorption (if these indicators are specified in the order for the manufacture of blocks).

(Modified edition, change No. 1).

6. Manufacturer's guarantees

6.1. The manufacturer must guarantee the compliance of the supplied blocks with the requirements of this standard while compliance with the consumer of transportation rules, the conditions for applying and storing blocks established by the standard.

ATTACHMENT

Mandatory

Mounting loops

Specification and sample steel on one mounting loop

GOST 13579-78

Group Ж33

Interstate standard

Concrete blocks for basement walls

Technical conditions

Concrete Blocks for Walls of Basements. Specifications.

MKC 91.080.40
OKP 58 3500.

Date of introduction 1979-01-01

Information details

1. Developed

Central Research and Research Institute of Model and Experimental Housing Design (TSNIIEP Housing) Government Statement

All-Union Research Institute of Factory Technology of Precast Concrete Designs and Products (VNIRIEWSBETON) of the Ministry of Industry of Building Materials of the USSR

Deposited by the State Committee for Civil Engineering and Architecture under the USSR State

2. Approved and put into effect by the Resolution of the State Committee of the Council of Ministers of the USSR for Construction Affairs of 30.12.77 N 234

3. Instead of GOST 13579-68

4. Reference regulatory and technical documents


	Point 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 a change in N 1, approved in November 1985 (IUS 3-86)

This standard applies to blocks made of heavy concrete, as well as a ceramzite concrete and a dense silicate medium density concrete (in a condition dried to constant) at least 1800 kg / m and those intended for the walls of basements and technical underground buildings.

Solid blocks are allowed to apply for foundations.

1. Types and block design

1.1. Blocks are divided into three types:

FBS - solid;

FBB - solid with a cut-out for laying jumpers and passing communications under the ceilings of basements and technical underground;

FBP - void (with open down voids).

1.2. The form and sizes of blocks should correspond to the specified ones 1-3 and in Table 1.

Chert.1. FBS blocks type blocks

FBS blocks type blocks

Blocks width 300 mm

Blocks width 400, 500 and 600 mm

Chert.1 (continued)

Damn. FBB blocks

FBB blocks

Damn

Damn.3. PBP type blocks

PBP type blocks

Table 1


Block type	The main dimensions of the block, mm
		Width
		300; 400; 500; 600

		300; 400; 500; 600

1.3 The structure of the conditional designation (brands) of the blocks is as follows:

Block type (clause 1.1)

Block dimensions in decimeters: Length (rounded)

height (rounded)

Type of concrete: heavy - t; on porous aggregates (ceramzite concrete) - n; dense silicate - with

Designation of this Standard

An example of the conditional designation of the FBS type block with a length of 2380 mm, 400 mm wide and a height of 580 mm, from heavy concrete:

FBS24.4.6-T GOST 13579-78

The same, type of FBB with a length of 880 mm, 400 mm wide and a height of 580 mm, from concrete on porous aggregates (ceramzite concrete):

FBV9.4.6-P GOST 13579-78

The same, type of FBP with a length of 2380 mm, 500 mm wide and a height of 580 mm, from a dense silicate concrete:

FBP24.5.6-S GOST 13579-78

Note. It is allowed to manufacture and apply 780 mm long blocks (Dobly), adopted in approved up to 01.01.78 typical projects of buildings during these projects.

1.4. The brands and characteristics of the heavy concrete blocks are shown in Table 2, from the ceramzite concrete - in Table 3, from a dense silicate concrete - in Table 4.

With the appropriate substantiation, it is allowed to use concrete blocks with classes for compression strength, differ from those indicated in Table 2-4. At the same time, in all cases should be taken no more than B15 and not less:

B3.5 - for heavy concrete blocks and ceramzite concrete;

B12.5 "" "dense silicate concrete.

Note. In the conditional designation of blocks from concrete classes for compressive strength, differing from those indicated in Table 2-4, the corresponding digital index must be administered in front of the letter, which characterizes the type of concrete.

table 2


Block brand	Concrete class by compressive strength	Mounting loop	Consumption of materials	Block mass (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. Mass of blocks are given for heavy concrete medium density of 2400 kg / m.

Table 3.


Block brand	Concrete class by compressive strength	Mounting loop	Consumption of materials	Block mass (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. Mass of blocks, as well as the brand of mounting loops, are given for blocks from a ceramzite concrete, 1800 kg / m

Table 4.


Block brand	Concrete class by compressive strength	Mounting loop	Consumption of materials	Block mass (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 the mounting loops, is given for blocks of a dense silicate concrete of a medium density of 2000 kg / m.

1.5. The location of the mounting loops in blocks must correspond to the specified ones. 1-3. Constructions of mounting loops are shown in the application.

It is allowed to install mounting hinges in the 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. (Modified edition, meas. N 1).

2. Technical requirements

2.1. Materials used to prepare concrete should ensure the performance of technical requirements established by this standard and meet the current standards or specifications for these materials.

2.2. The actual strength of the concrete blocks (at design age and the vacation) must comply with the required applicable to GOST 18105, depending on the normalized strength of the concrete specified in the project documentation for the building or structure, and on the indicators of the actual uniformity of concrete strength.

(Modified edition, meas. N 1).

2.3. Frost resistance and concrete waterproof must be appointed in the project, depending on the mode of operation of the structures and climatic conditions of the construction area according to SNiP 2.03.01 for heavy concrete and ceramzite concrete and CH 165 for a dense silicate concrete.

2.5. Concrete classes for compressive strength, concrete brand for frost resistance and waterproof, and, if necessary, and requirements for concrete and to materials for its preparation (see clause 2.4), must comply with the project specified in orders for the manufacture of blocks.

2.6. The supply of blocks to the consumer should be made after reaching the concrete of the required vacation strength (clause 2.2).

2.7. The value of the normalized vacation strength of the concrete blocks in percentage of the compression strength should be taken to be equal to:

50 - for heavy concrete and ceramzite-concrete class 12.5 and higher;

70 "" class 10 and below;

80 "Ceramzitobeton" in 10 ""

100 "dense silicate concrete.

70 - for a class of 12.5 and higher concrete;

90 "" 10 and below.

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

2.5-2.7. (Modified edition, meas. N 1).

2.8. When you leave the blocks to the consumer, the humidity of the ceramzitobetone should not be more than 12%.

2.9. Installation loops of blocks should be made of rod hot-rolled reinforcement-class A-I brands in Es3PS2 and EST3SP2 or periodic profile of the AC-II grade 10GT according to GOST 5781.

The reinforcement of steel brand Es3PS2 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 rectinity of the profile of the block surfaces should not exceed 3 mm for the entire length and width of the unit.

2.12. The following categories of the concrete surface of the blocks are set:

A3 - facial intended under the color;

A5 - facial, intended for decoration by ceramic tiles stacked by a layer of solution;

A6 - facial injustable;

A7 - Neltsy, invisible in operating conditions.

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

(Modified edition, meas. N 1).

2.13. (Excluded, meas. N 1).

2.14. In the concrete of blocks received according to Section 3, cracks are not allowed, with the exception of local surface shrinkage, the width of which should not exceed 0.1 mm in blocks made of heavy and dense silicate concrete and 0.2 mm in blocks from the ceramzite concrete.

2.15. Mounting hinges should be cleaned of concrete floors.

3. Rules of acceptance

3.1. The reception of blocks should be carried out by parties in accordance with the requirements of GOST 13015 and this standard.

3.3. Concrete tests for waterproof and water absorption of blocks to which these requirements impose, should be carried out at least once every 3 months.

3.4. The vacation moisture content of the ceramzitobetone should be controlled at least once a month according to the results of testing samples selected from three finished blocks.

Evaluation of actual release humidity should be carried out according to the results of the inspection of each controlled block on the average value of the humidity of the samples selected from it.

3.5. The reception of the blocks in terms of concrete strength (concrete class for compressive strength and vacation strength), compliance of mounting loops with the requirements of this standard, the accuracy of geometric parameters, the width of the operating cracks and the category of the concrete surface of the blocks should be carried out according to the results of the receiving tests.

Section. (Modified edition, meas. N 1).

4. Monitoring and Test Methods

(Modified edition, meas. N 1).

4.2. (Excluded, meas. N 1).

4.3. Mark concrete on frost resistance should be monitored in accordance with GOST 10060.0 - GOST 10060.4.

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

(Modified edition, meas. N 1).

4.4.1. (Excluded, meas. N 1).

4.6. (Excluded, meas. N 1).

4.7. The humidity of the ceramzite concrete should be determined according to GOST 12730.0 and GOST 12730.2 testing of samples selected from finished blocks.

From each block should be selected at least two samples.

It is allowed to determine the humidity of the concrete blocks by the dielcometric method according to GOST 21718.

(Modified edition, meas. N 1).

4.8. The dimensions and deviation from the rectineality 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. Block marking - according to GOST 13015.

Marking inscriptions and signs should be applied on the side surface of the block.

(Modified edition, meas. N 1).

5.2. Blocks should be stored in stacks sorted by brands and parties and laid close to each other.

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

5.3. When storing and transporting, each block should be laid on wooden gaskets located vertically one over the other between rows of blocks.

Lining under the lower row of blocks should be laid on a dense, thoroughly aligned base.

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

5.5. Transportation of blocks should be carried out with reliable fixing that protects them from offset.

The height of the stack during transportation is established depending on the carrying capacity of vehicles and the allowable loading dimension.

5.6. Loading, transportation, unloading and storage of blocks should be carried out in compliance with measures that exclude their damage.

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

(Modified edition, meas. N 1).

6. Manufacturer's guarantees

6.1. The manufacturer must guarantee the compliance of the blocks supplied by the requirements of this Standard while complying with the consumer of transportation rules, the conditions for applying and storing blocks established by this Standard.

Appendix (mandatory). Mounting loops

ATTACHMENT
Mandatory

Specification and sample steel on one mounting loop

Electronic document text
and drilled by:
official edition
M.: Standinform, 2005