Sand and gravel mixture GOST 23735 79. Sand and gravel mixtures for construction work. Non-compliance with the standard is punishable by law

GOST 23735-79

Group G17

STATE STANDARD OF THE UNION OF THE SSR

MIXTURES SAND AND GRAVEL
FOR CONSTRUCTION WORKS
Specifications

Sandy-gravel mixtures for construction work.
Specifications

OKP 57 1130 Introduction date 1980-07-01

APPROVED AND INTRODUCED BY Decree State Committee USSR on construction matters dated June 22, 1979 N 92

Reissue

This standard applies to natural and enriched sand and gravel mixtures used:

natural - for device pavement, the top layer of bases for coatings, for drainage layers and for other purposes in road construction in accordance with the requirements of norms and rules for the construction of roads;

enriched (obtained from natural sand and gravel mixtures by enrichment) - in accordance with the requirements building codes and rules for the corresponding types construction works.

The standard does not apply to natural sand and gravel mixtures used as a semi-finished product for subsequent processing by consumers.

1. Technical requirements

1.1. Sand and gravel mixtures are characterized by:

the largest grain size of gravel;

indicators adopted for assessing gravel according to GOST 8268-82 (grain composition, strength, content of grains of weak rocks, frost resistance, content of dusty, clay and silty particles, clay in lumps and mineralogical and petrographic composition);

indicators adopted for assessing sand according to GOST 8736-93 * (grain composition and size modulus, content of dusty, clay and silty particles, including clay in lumps, content of organic impurities and mineralogical and petrographic composition).

1.2. In a natural sand-gravel mixture, the content of gravel grains larger than 5 mm should be at least 10% and not more than 95% by weight.

1.3. The enriched sand-gravel mixture, depending on the content of gravel grains, is divided into five groups:

from 15 to 25%

It is allowed to supply enriched sand-gravel-crushed stone mixture. In this case, crushed stone is included in the gravel component of the sand-gravel mixture.

1.4. The largest grain size of gravel (D(naib)) in a natural sand-gravel mixture should be at least 10 mm and not more than 70 mm.

1.5. Enriched sand-gravel mixture should have gravel grains of the largest size (D (max)) of one of the following values: 10; twenty; 40 or 70 mm.

1.6. By agreement of the parties, it is allowed to supply a sand and gravel mixture, with gravel grains larger than 70 mm, but not more than 150 mm.

1.7. The grain composition of gravel, which is part of the natural sand and gravel mixture, must meet the requirements specified in Table. one.

Table 1

1.8. The grain composition of gravel, which is part of the enriched sand-gravel mixture, must meet the requirements specified in Table. 2.

table 2

1.9. The strength of gravel, which is part of the natural and enriched sand and gravel mixture, the content of grains of weak rocks in it and frost resistance must meet the requirements of GOST 8268-82.

1.10. The sands that are part of the natural sand and gravel mixture in terms of grain composition must meet the requirements of GOST 8736-85 for coarse, medium, fine and very fine sands.

The sands included in the enriched sand-gravel mixture must meet the grain composition requirements of GOST 8736-85 for coarse, medium and fine sands. The content of particles passing through a sieve with mesh N 014 in the sands that are part of the natural sand-gravel mixture should not exceed 20%, and enriched 10% by weight.

1.12. Sand and gravel mixtures should not contain clogging inclusions.

2. Acceptance rules

2.1. The sand and gravel mixture produced by the manufacturer (quarry) must be accepted by the technical control department of this enterprise.

2.2. Acceptance and delivery of sand and gravel mixture is carried out in batches. The batch is considered the amount of sand and gravel mixture, simultaneously shipped to one consumer in one train or one barge.

When shipped by road, a batch is the amount of a mixture shipped to one consumer within one day.

2.3. The amount of the supplied mixture is determined by volume or mass. The measurement of the mixture is carried out in wagons, ships, cars.

2.4. Weighing the mixture shipped in wagons or cars is carried out on railway or truck scales. The mass of the mixture shipped in ships is determined by the ship's draft.

2.5. The recalculation of the amount of the mixture from units of mass to units of volume or vice versa is carried out according to the values of the volumetric bulk mass of the mixture in the state of natural moisture. The moisture content of the supplied mixture is established by agreement of the parties, taking into account the conditions of its production, the operating experience of the quarry, geological exploration data and the time of year.

2.6. The determination of the grain composition of the mixture, the content of dust, clay and silt particles, including clay in lumps, is carried out daily.

2.7. The determination of the strength of gravel and the volumetric bulk mass of the mixture is carried out once a quarter, the frost resistance of gravel - once a year.

2.8. Sampling of the mixture for testing is carried out according to GOST 8269-76. Sample size is taken the same as for unfractionated gravel.

2.9. The user, when checking the compliance of the sand and gravel mixture with the requirements of this standard, should apply the sampling procedure given below.

2.10. To control the quality of the mixture in the batch shipped by rail, take samples with a batch size of up to 3 wagons - from each wagon, with a larger batch size - from 3 wagons at the direction of the consumer. Each sample is taken when loading or unloading the mixture from at least five places in the car at different depths. Samples taken from different wagons are not mixed and tested separately. If one sample is positive, the rest of the samples are not tested.

If the test results of one sample are unsatisfactory, a second sample is tested. If the test results of the second sample are unsatisfactory, the batch is not subject to acceptance. If the test results of the second sample are satisfactory, a third sample is tested, the test results of which are final.

Note. It is allowed to conduct a control check of the quality of the mixture per carload.

2.11. For a control check of the quality of the mixture in a batch shipped by water transport, one sample is taken from each part of the batch with a volume of not more than 500 tons (350 cubic meters). Sampling is carried out during unloading and loading of the ship from conveyor belts or other types of handling equipment.

The quality of the mixture is determined by the arithmetic mean of the test results of all samples.

2.12. For a control check of the quality of the mixture shipped by road, one sample is taken from each part of the batch weighing no more than 500 tons (350 cubic meters). Each sample is taken from at least 5 vehicles.

2.13. The mass of samples taken for the control check of the batch from railway cars, ships or cars in accordance with the requirements of paragraphs. 2.10-2.12, must be at least 5 times the total mass of samples for testing in accordance with GOST 8269-76. The reduction of samples to the required size is carried out by quartering or using grooved dividers.

3. Test methods

3.1. The test of gravel and sand, which are part of the sand-gravel mixture, for all indicators, except for the grain composition, is carried out separately according to GOST 8269-76 and GOST 8735-75.

To prepare the mixture for testing, it is divided into gravel and sand, while ensuring the maximum content of gravel in sand and sand in gravel, established respectively by GOST 8736-85 and GOST 8268-82.

3.2. The determination of the grain composition of the mixture is carried out in the same order as the determination of the grain composition of unfractionated gravel according to GOST 8269-76, sieving on sieves after preliminary drying of the entire sample to constant weight. At the same time, the following sieves are additionally included in the standard set of sieves: a sieve with round holes with a diameter of 2.5 mm and a mesh of 1.25; 0.63 and 0.315. Partial residues on the sieves are calculated as a percentage of the initial mass of the sample being sieved, including the amount of material that has passed through a 0.14 mm sieve.

4. Marking, transport and storage

4.1. The manufacturer (quarry) is obliged to accompany each batch of the supplied mixture with a document prescribed form, which should include:

name of the enterprise (quarry)-manufacturer and its address;

date of preparation of the document and its number;

name and address of the consumer;

batch number and amount of sand and gravel mixture;

wagon numbers or vessel number and invoice numbers;

type of sand and gravel mixture (natural or enriched);

the largest size of gravel;

grain composition of gravel;

grade of gravel for strength;

frost resistance of gravel;

sand size modulus, sieve residue N 063 and sieve pass N 0.14;

designation of this standard.

4.2. The enterprise (quarry)-manufacturer must inform the consumer, at his request, of the following characteristics of gravel: a description of the mineralogical and petrographic composition, a description of the shape and surface condition of the grains that make up the mixture, established during geological exploration.

4.3. The enterprise (quarry)-manufacturer must inform the consumer, at his request, of the characteristics of the sand that is part of the mixture, established during geological exploration, including a description of the mineralogical and petrographic composition, a description of the shape and nature of the surface of the grains, its density, voidness, specific surface, index potential reactivity (in the presence of reactive minerals in the sand).

4.4. Sand and gravel mixtures are transported and stored under conditions that protect them from clogging and pollution.

5. Supplier warranties

5.1. The manufacturer (quarry) must ensure that the sand and gravel mixture meets the requirements of this standard.

INTERSTATE STANDARD

TECHNICAL CONDITIONS

Official edition

IPK PUBLISHING STANDARDS Moscow

INTERSTATE STANDARD

SAND-GRAVEL MIXTURES FOR CONSTRUCTION WORKS

Specifications

Sandy-gravel mixtures for construction work. Specifications

MKC 91.100.15 OKP 57 1130

Date of introduction 01.07.80

This standard applies to natural and enriched sand and gravel mixtures used:

Natural - for the construction of road surfaces, the top layer of bases for pavements, for drainage layers and for other purposes in road construction in accordance with the requirements of the norms and rules for the construction of highways;

Enriched (obtained from natural sand and gravel mixtures by enrichment) - in accordance with the requirements of building codes and regulations for the relevant types of construction work.

The standard does not apply to natural sand and gravel mixtures used as a semi-finished product for subsequent processing by consumers.

1. TECHNICAL REQUIREMENTS

1.1. Sand and gravel mixtures characterize:

The largest grain size of gravel;

Indicators adopted for assessing gravel according to GOST 8267 (grain composition, strength, content of grains of weak rocks, frost resistance, content of dust, clay and silt particles, clay in lumps and mineralogical and petrographic composition);

The indicators adopted for assessing sand according to GOST 8736 (grain composition and fineness modulus, the content of dusty, clay and silty particles, including clay in lumps, the content of organic impurities and the mineralogical and petrographic composition).

1.2. In a natural sand-gravel mixture, the content of gravel grains larger than 5 mm should be no less than 10% and no more than 95% by weight.

1.3. The enriched sand-gravel mixture, depending on the content of gravel grains, is divided into five groups:

From 15 to 25%;

St. 25 * 35%;

It is allowed to supply enriched Psschano-gravel-Schsbnoy mixture. At the same time, crushed stone is included in the gravel component of the sand-gravel mixture.

1.4. The largest grain size of gravel (Diaib) in a natural sand-gravel mixture should be at least 10 mm and not more than 70 mm.

1.5. Enriched sand-gravel mixture should have gravel grains of the largest size (Dna nb) of one of the following values: 10; twenty; 40 or 70 mm.

Official publication Reprint prohibited

1.6. By agreement of the parties, it is allowed to supply a sand and gravel mixture with gravel grains larger than 70 mm, but not more than 150 mm.

1.7. The grain composition of gravel, which is part of the natural sand and gravel mixture, must meet the requirements specified in Table. one.

Table 1

1.8. The grain composition of gravel, which is part of the enriched sand-gravel mixture, must meet the requirements specified in Table. 2.

table 2

1.9. The strength of gravel, which is part of the natural and enriched sand and gravel mixture, the content of grains of weak rocks in it and frost resistance must meet the requirements of GOST 8267.

1.10. The sands that are part of the natural sand and gravel mixture, according to the grain composition, must meet the requirements of GOST 8736 for coarse, medium, fine and very fine sands.

The sands included in the enriched sand-gravel mixture must meet the grain composition requirements of GOST 8736 for coarse, medium and fine sands. The content of particles passing through a sieve with mesh No. 014 in the sands that are part of the natural sand-gravel mixture should not exceed 20%, and enriched - 10% by weight.

1.12. Sand and gravel mixtures should not contain clogging inclusions.

1.13. Natural and enriched sand-gravel mixtures, depending on the value of the total specific effective activity of natural radionuclides A eff, are used:

For the production of materials, products and structures used for the construction and reconstruction of residential and public buildings, with I eff up to 370 Bq / kg;

For the production of materials, products and structures used for construction industrial buildings and structures, as well as the construction of roads within the territory of settlements and zones of promising development, with L E ff over 370 to 740 Bq / kg;

For production building materials for the construction of roads and airfields outside settlements, with I e ff over 740 to 1500 Bq / kg.

If necessary, in the national norms in force on the territory of the state, the value of the specific effective activity of natural radionuclides can be changed within the limits indicated above.

2. ACCEPTANCE RULES

2.1. The sand and gravel mixture produced by the manufacturer (quarry) must be accepted by the technical control department of this enterprise.

When shipped by road, a batch is the amount of a mixture shipped to one consumer within one day.

2.3. The determination of the amount of the supplied mixture is carried out by volume or mass. The measurement of the mixture is carried out in wagons, ships, cars.

2.4. Weighing the mixture shipped in wagons or cars is carried out on railway or truck scales. The mass of the mixture shipped in ships is determined by the ship's draft.

2.6. The determination of the grain composition of the mixture, the content of dust, clay and silt particles, including clay in lumps, is carried out daily.

2.7. Determination of the strength of gravel and volumetric bulk mass of the mixture is carried out once a quarter, frost resistance, total specific effective activity of natural radionuclides of gravel - once a year.

2.8. Sampling of the mixture for testing is carried out in accordance with GOST 8269.0. Sample size is taken the same as for unfractionated gravel.

2.7, 2.8. (Changed edition, Rev. N ° 1).

2.9. The user, when checking the compliance of the sand and gravel mixture with the requirements of this standard, should apply the sampling procedure given below.

2.10. For a control check of the quality of the mixture in a batch shipped by rail, samples are taken from a batch size of up to three wagons - from each wagon, with a larger batch size - from three wagons at the direction of the consumer. Each sample is taken when loading or unloading the mixture from at least five places in the car at different depths. Samples taken from different wagons are not mixed and tested separately. If one sample is positive, the rest of the samples are not tested.

Note. It is allowed to conduct a control check of the quality of the mixture per carload.

2.11. For a control check of the quality of the mixture in a batch shipped by water transport, one sample is taken from each part of the batch with a volume of not more than 500 tons (350 m 3). Sampling is carried out during unloading and loading of the ship from conveyor belts or other types of handling equipment.

The quality of the mixture is determined by the arithmetic mean of the test results of all samples.

2.12. For a control check of the quality of the mixture shipped by road transport, one sample is taken from each part of the batch weighing no more than 500 tons (350 m 3). Each sample is taken from at least five vehicles.

2.13. The mass of samples taken for the control check of a batch from railway cars, ships or cars in accordance with the requirements of pi. 2.10-2.12, must be at least five times the total mass of samples for testing in accordance with GOST 8269.0. The reduction of samples to the required size is carried out by quartering or using grooved dividers.

(Revised edition, Rev. JV° 1).

3. TEST METHODS

3.1. The test of gravel and sand, which are part of the sand-gravel mixture, for all indicators, except for the grain composition, is carried out separately according to GOST 8269.0 and GOST 8735.

To prepare the mixture for testing, it is divided into gravel and sand, while ensuring the maximum content of gravel in sand and sand in gravel, established respectively by GOST 8736 and GOST 8267.

additionally include the following sieves: a sieve with round holes with a diameter of 2.5 mm and a mesh No. 1.25; 063 and 0315. Partial residues on sieves are calculated as a percentage of the original mass of the sample being sieved, including the amount of material that has passed through a 0.14 mm sieve.

3.1-3.3 (Revision, Rev. JV° 1).

3.4. The total specific effective activity of natural radionuclides is determined by the gamma spectrometric method according to GOST 30108.

(Introduced additionally, Rev. No. 1).

4. MARKING, TRANSPORT AND STORAGE

4.1. The manufacturer (quarry) is obliged to accompany each batch of the supplied mixture with a document of the established form, which must indicate:

Name of the enterprise (quarry)-manufacturer and its address;

The date of the document and its number;

Name and address of the consumer;

Batch number and amount of sand and gravel mixture;

Wagon numbers or vessel number and invoice numbers;

Type of sand and gravel mixture (natural or enriched);

The largest size of gravel;

Grain composition of gravel;

Gravel strength grade;

Frost resistance of gravel;

Modulus of sand size, residue on sieve No. 063 and passage through sieve No. 014;

The designation of this standard;

Total specific effective activity of natural radionuclides.

(Revised edition, Rev. No. 1).

4.2 The enterprise (quarry)-manufacturer must inform the consumer, at his request, of the following characteristics of gravel: a description of the mineralogical and petrographic composition, a description of the shape and surface condition of the grains that make up the mixture, established during geological exploration.

4.4. Sand and gravel mixtures are transported and stored under conditions that protect them from clogging and pollution.

5. SUPPLIER WARRANTY

5.1. The manufacturer (quarry) must ensure that the sand and gravel mixture meets the requirements of this standard.

INFORMATION DATA

1. DEVELOPED by the Ministry of Industry of Building Materials of the USSR, the Ministry of Transport Construction

INTRODUCED by the Ministry of Industry of Building Materials of the USSR

2. APPROVED AND INTRODUCED BY Decree of the State Committee of the USSR for Construction Affairs dated 22.06.79 N° 92

3. INTRODUCED FOR THE FIRST TIME

Amendment No. 1 was adopted by the Interstate Scientific and Technical Commission for Standardization, Technical Regulation and Certification in Construction (MNTKS) on May 17, 2000

State name	Body name government controlled construction
The Republic of Azerbaijan	Gosstroy of the Republic of Azerbaijan
Republic of Armenia	Ministry of Urban Development Republic of Armenia
Republic of Belarus	Ministry of Construction and Architecture of the Republic of Belarus
The Republic of Kazakhstan	Construction Committee of the Ministry of Energy, Industry and Trade of the Republic of Kazakhstan
Republic of Kyrgyzstan	State Committee under the Government of the Kyrgyz Republic for Architecture and Construction
The Republic of Moldova	Ministry of Environment and Territory Improvement of the Republic of Moldova
Russian Federation	Gosstroy of Russia
The Republic of Tajikistan	Committee for Architecture and Construction of the Republic of Tajikistan
The Republic of Uzbekistan	Goskomarchitektstroy of the Republic of Uzbekistan

4. REFERENCE REGULATIONS AND TECHNICAL DOCUMENTS

5. EDITION (May 2003) with Amendment No. 1 adopted in December 2000 (NUS 5-2001)

Editor V. EL Ogurtsov Technical editor B.H. Prusakova Proofreader V.E. Nesterova Computer layout E.I. Martemyanova

Ed. persons. No. 02354 dated 07/14/2000. Handed over to the set 10.04.2003. Signed for publication on May 22, 2003. Uel. oven l. 0.93. Uch.-ed. l. 0.60. Circulation 190 copies. C 10648. Order 430.

IPK Publishing house of standards, 107076 Moscow, Kolodezny per., 14. e-mail:

Typed at the Publishing House on a PC

Branch of IPK Publishing house of standards - type. "Moscow printer", 105062 Moscow, Lyalin per., 6.

GOST 23735-79

INTERSTATE STANDARD

MIXTURES SAND AND GRAVEL
FOR CONSTRUCTION WORKS

TECHNICAL CONDITIONS

IPK STANDARDS PUBLISHING HOUSE
Moscow

INTERSTATE STANDARD

Introduction date 01.07.80

This standard applies to natural and enriched sand and gravel mixtures used:

Natural - for the construction of road surfaces, the top layer of bases for pavement, for drainage layers and for other purposes in road construction in accordance with the requirements of the norms and rules for the construction of highways;

Enriched (obtained from natural sand and gravel mixtures by enrichment) - in accordance with the requirements of building codes and regulations for the relevant types of construction work.

The standard does not apply to natural sand and gravel mixtures used as a semi-finished product for subsequent processing by consumers.

1. TECHNICAL REQUIREMENTS

1.1. Sand and gravel mixtures are characterized by:

The largest grain size of gravel;

Indicators adopted for assessing gravel according to GOST 8267 (grain composition, strength, content of grains of weak rocks, frost resistance, content of dusty, clay and silty particles, clay in lumps and mineralogical and petrographic composition);

The indicators adopted for assessing sand according to GOST 8736 (grain composition and size modulus, content of dusty, clay and silty particles, including clay in lumps, content of organic impurities and mineralogical and petrographic composition).

1.2. In a natural sand-gravel mixture, the content of gravel grains larger than 5 mm should be at least 10% and not more than 95% by weight.

1.3. The enriched sand-gravel mixture, depending on the content of gravel grains, is divided into five groups:

15 to 25%

St. 25 » 35%

» 35 » 50%

» 50 » 65%

» 65 » 75%

It is allowed to supply enriched sand-gravel-crushed stone mixture. In this case, crushed stone is included in the gravel component of the sand-gravel mixture.

1.4. The largest grain size of gravel (D naib ) in a natural sand and gravel mixture should be at least 10 mm and not more than 70 mm.

1.5. Enriched sand-gravel mixture should have gravel grains of the largest size (D naib ) one of the following values: 10; twenty; 40 or 70 mm.

1.6. By agreement of the parties, it is allowed to supply a sand and gravel mixture, with gravel grains larger than 70 mm, but not more than 150 mm.

1.7. The grain composition of gravel, which is part of the natural sand and gravel mixture, must meet the requirements specified in Table. .

Table 1

1.8. The grain composition of gravel, which is part of the enriched sand-gravel mixture, must meet the requirements specified in Table. .

table 2

1.9. The strength of gravel, which is part of the natural and enriched sand and gravel mixture, the content of grains of weak rocks in it and frost resistance must meet the requirements of GOST 8267.

1.10. The sands that are part of the natural sand and gravel mixture in terms of grain composition must meet the requirements of GOST 8736 for coarse, medium, fine and very fine sands.

1.11. The content of dust and clay particles in the natural sand-gravel mixture should not exceed 5%, including clay in lumps 1%, and in enriched - respectively 3% and 0.5% by weight.

1.12. Sand and gravel mixtures should not contain clogging inclusions.

1.13. Natural and enriched sand-gravel mixtures depending on the value of the total effective specific activity of natural radionuclides BUT eff apply:

for the production of materials, products and structures used for the construction and reconstruction of residential and public buildings with BUT eff up to 370 Bq/kg;

for the production of materials, products and structures used for the construction of industrial buildings and structures, as well as the construction of roads within the territories of settlements and zones of promising development with A eff over 370 Bq/kg up to 740 Bq/kg;

for the production of building materials for the construction of roads and airfields outside settlements with A eff over 740 Bq/kg up to 1500 Bq/kg.

If necessary, in the national norms in force on the territory of the state, the value of the specific effective activity of natural radionuclides can be changed within the limits indicated above.

2. ACCEPTANCE RULES

2.1. The sand and gravel mixture produced by the manufacturer (quarry) must be accepted by the technical control department of this enterprise.

When shipped by road, a batch is the amount of a mixture shipped to one consumer within one day.

2.3. The amount of the supplied mixture is determined by volume or mass. The measurement of the mixture is carried out in wagons, ships, cars.

2.4. Weighing the mixture shipped in wagons or cars is carried out on railway or truck scales. The mass of the mixture shipped in ships is determined by the ship's draft.

2.6. The determination of the grain composition of the mixture, the content of dust, clay and silt particles, including clay in lumps, is carried out daily.

2.7. The determination of the strength of gravel and the volumetric bulk mass of the mixture is carried out once a quarter, frost resistance, total specific effective activity of natural radionuclides of gravel - once a year.

2.8. Sampling of the mixture for testing is carried out in accordance with GOST 8269.0. Sample size is taken the same as for unfractionated gravel.

2.7, 2.8 (Revised edition, Rev. No. 1).

2.9. The user, when checking the compliance of the sand and gravel mixture with the requirements of this standard, should apply the sampling procedure given below.

Note. It is allowed to conduct a control check of the quality of the mixture per carload.

2.11. For a control check of the quality of the mixture in a batch shipped by water transport, one sample is taken from each part of the batch with a volume of not more than 500 tons (350 m 3). Sampling is carried out during unloading and loading of the ship from conveyor belts or other types of handling equipment.

The quality of the mixture is determined by the arithmetic mean of the test results of all samples.

2.13. The mass of samples taken for the control check of the batch from railway cars, ships or cars in accordance with the requirements of paragraphs. - , must be at least 5 times the total mass of samples for testing in accordance with GOST 8269.0. The reduction of samples to the required size is carried out by quartering or using grooved dividers.

(Revised edition, Rev. No. 1).

3. TEST METHODS

3.1. The test of gravel and sand, which are part of the sand-gravel mixture, for all indicators, except for the grain composition, is carried out separately according to GOST 8269.0 and GOST 8735.

To prepare the mixture for testing, it is divided into gravel and sand, while ensuring the maximum content of gravel in sand and sand in gravel, established respectively by GOST 8736 and GOST 8267.

3.2. The determination of the grain composition of the mixture is carried out in the same order as the determination of the grain composition of unfractionated gravel according to GOST 8269.0, by screening on sieves after preliminary drying of the entire sample to constant weight. At the same time, the following sieves are additionally included in the standard set of sieves: a sieve with round holes with a diameter of 2.5 mm and a mesh of 1.25; 0.63 and 0.315. Partial residues on the sieves are calculated as a percentage of the initial mass of the sample being sieved, including the amount of material that has passed through a 0.14 mm sieve.

3.3. The content of dust and clay particles in the mixture, including clay in lumps and the total specific effective activity of natural radionuclides, is determined as a weighted average from the results of determining their content in gravel and sand.

3.1 – 3.3 (Revised edition, Rev. No. 1).

3.4. The total specific effective activity of natural radionuclides is determined by the gamma spectrometric method according to GOST 30108.

(Introduced additionally, Rev. No. 1).

4. MARKING, TRANSPORT AND STORAGE

4.1. The manufacturer (quarry) is obliged to accompany each batch of the supplied mixture with a document of the established form, which must indicate:

name of the enterprise (quarry)-manufacturer and its address;

date of preparation of the document and its number;

name and address of the consumer;

batch number and amount of sand and gravel mixture;

wagon numbers or vessel number and invoice numbers;

type of sand and gravel mixture (natural or enriched);

the largest size of gravel;

grain composition of gravel;

grade of gravel for strength;

frost resistance of gravel;

sand size modulus, residue on sieve No. 063 and passage through sieve No. 014;

designation of this standard;

total specific effective activity of natural radionuclides.

(Revised edition, Rev. No. 1).

4.4. Sand and gravel mixtures are transported and stored under conditions that protect them from clogging and pollution.

5. SUPPLIER WARRANTY

5.1. The manufacturer (quarry) must ensure that the sand and gravel mixture meets the requirements of this standard.

INFORMATION DATA

1. DEVELOPED by the Ministry of Industry of Building Materials of the USSR, the Ministry of Transport Construction

INTRODUCED by the Ministry of Industry of Building Materials of the USSR

2. APPROVED AND INTRODUCED BY Decree No. 92 of the USSR State Committee for Construction Affairs dated June 22, 1979

3. INTRODUCED FOR THE FIRST TIME

Amendment No. 1 was adopted by the Interstate Scientific and Technical Commission for Standardization, Technical Regulation and Certification in Construction (MNTKS) on May 17, 2000

State name	Name of the public administration body for construction
The Republic of Azerbaijan	Gosstroy of the Republic of Azerbaijan
Republic of Armenia	Ministry of Urban Development Republic of Armenia
Republic of Belarus	Ministry of Construction and Architecture of the Republic of Belarus
The Republic of Kazakhstan	Construction Committee of the Ministry of Energy, Industry and Trade of the Republic of Kazakhstan
Republic of Kyrgyzstan	State Committee under the Government of the Kyrgyz Republic for Architecture and Construction
The Republic of Moldova	Ministry of Environment and Territory Improvement of the Republic of Moldova
Russian Federation	Gosstroy of Russia
The Republic of Tajikistan	Committee for Architecture and Construction of the Republic of Tajikistan
The Republic of Uzbekistan	Goskomarchitektstroy of the Republic of Uzbekistan

4. REFERENCE REGULATIONS AND TECHNICAL DOCUMENTS

5. EDITION (May 2003) with Amendment No. 1 adopted in December 2000 (IUS 5-2001)

GOST 23735-79

Group G17

INTERSTATE STANDARD

SAND-GRAVEL MIXTURES FOR CONSTRUCTION WORKS

Specifications

Sandy-gravel mixtures for construction work. Specifications

ISS 91.100.15
OKP 57 1130

Introduction date 1980-07-01

INFORMATION DATA

1. DEVELOPED by the Ministry of Industry of Building Materials of the USSR, the Ministry of Transport Construction

INTRODUCED by the Ministry of Industry of Building Materials of the USSR

2. APPROVED AND INTRODUCED BY Decree of the State Committee of the USSR for Construction Affairs dated 22.06.79 N 92

3. INTRODUCED FOR THE FIRST TIME

Amendment No. 1 was adopted by the Interstate Scientific and Technical Commission for Standardization, Technical Regulation and Certification in Construction (MNTKS) on May 17, 2000

Voted for the change:


State name	Name of the public administration body for construction
The Republic of Azerbaijan	Gosstroy of the Republic of Azerbaijan
Republic of Armenia	Ministry of Urban Development Republic of Armenia
Republic of Belarus	Ministry of Construction and Architecture of the Republic of Belarus
The Republic of Kazakhstan	Construction Committee of the Ministry of Energy, Industry and Trade of the Republic of Kazakhstan
Republic of Kyrgyzstan	State Committee under the Government of the Kyrgyz Republic for Architecture and Construction
The Republic of Moldova	Ministry of Environment and Territory Improvement of the Republic of Moldova
Russian Federation	Gosstroy of Russia
The Republic of Tajikistan	Committee for Architecture and Construction of the Republic of Tajikistan
The Republic of Uzbekistan	Goskomarchitektstroy of the Republic of Uzbekistan

4. REFERENCE REGULATIONS AND TECHNICAL DOCUMENTS


	Item number
	1.1, 1.9, 3.1
	2.8, 2.13, 3.1, 3.2

	1.1, 1.10, 3.1

5. EDITION (May 2003) with Amendment No. 1 adopted in December 2000 (IUS 5-2001)

This standard applies to natural and enriched sand and gravel mixtures used:

Enriched (obtained from natural sand and gravel mixtures by enrichment) - in accordance with the requirements of building codes and regulations for the relevant types of construction work.

The standard does not apply to natural sand and gravel mixtures used as a semi-finished product for subsequent processing by consumers.

1. TECHNICAL REQUIREMENTS

1.1. Sand and gravel mixtures are characterized by:

The largest grain size of gravel;

1.2. In a natural sand-gravel mixture, the content of gravel grains larger than 5 mm should be at least 10% and not more than 95% by weight.

1.3. The enriched sand-gravel mixture, depending on the content of gravel grains, is divided into five groups:

15 to 25%;

St. 25 "35%;

" 35 " 50%;

" 50 " 65%;

" 65 " 75%.

It is allowed to supply enriched sand-gravel-crushed stone mixture. At the same time, crushed stone is included in the gravel component of the sand-gravel mixture.

1.4. The largest grain size of gravel () in a natural sand and gravel mixture should be at least 10 mm and not more than 70 mm.

1.5. Enriched sand-gravel mixture should have gravel grains of the largest size () of one of the following values: 10; twenty; 40 or 70 mm.

1.6. By agreement of the parties, it is allowed to supply a sand and gravel mixture with gravel grains larger than 70 mm, but not more than 150 mm.

1.7. The grain composition of gravel, which is part of the natural sand and gravel mixture, must meet the requirements specified in Table 1.

Table 1


Size of control sieves, mm

1.8. The grain composition of gravel, which is part of the enriched sand-gravel mixture, must meet the requirements specified in Table 2.

table 2


Size of control sieves, mm
Total residue on sieves by weight, %

1.9. The strength of gravel, which is part of the natural and enriched sand and gravel mixture, the content of grains of weak rocks in it and frost resistance must meet the requirements of GOST 8267.

1.10. The sands that are part of the natural sand and gravel mixture in terms of grain composition must meet the requirements of GOST 8736 for coarse, medium, fine and very fine sands.

The sands included in the enriched sand-gravel mixture must meet the grain composition requirements of GOST 8736 for coarse, medium and fine sands. The content of particles passing through a sieve with mesh N 014 in the sands that are part of the natural sand and gravel mixture should not exceed 20%, and enriched - 10% by weight.

1.12. Sand and gravel mixtures should not contain clogging inclusions.

1.13. Natural and enriched sand-gravel mixtures depending on the value of the total effective specific activity of natural radionuclides BUT use:

- for the production of materials, products and structures used for the construction and reconstruction of residential and public buildings, with BUT up to 370 Bq/kg;

- for the production of materials, products and structures used for the construction of industrial buildings and structures, as well as the construction of roads within the territory of settlements and zones of promising development, with BUT over 370 to 740 Bq/kg;

- for the production of building materials for the construction of roads and airfields outside settlements, with BUT over 740 to 1500 Bq/kg".

If necessary, in the national norms in force on the territory of the state, the value of the specific effective activity of natural radionuclides can be changed within the limits indicated above.

(Changed edition, Rev. N 1).

2. ACCEPTANCE RULES

2.1. The sand and gravel mixture produced by the manufacturer (quarry) must be accepted by the technical control department of this enterprise.

When shipped by road, a batch is the amount of a mixture shipped to one consumer within one day.

2.3. The amount of the supplied mixture is determined by volume or mass. The measurement of the mixture is carried out in wagons, ships, cars.

2.4. Weighing the mixture shipped in wagons or cars is carried out on railway or truck scales. The mass of the mixture shipped in ships is determined by the ship's draft.

2.6. The determination of the grain composition of the mixture, the content of dust, clay and silt particles, including clay in lumps, is carried out daily.

2.8. Sampling of the mixture for testing is carried out in accordance with GOST 8269.0. Sample size is taken the same as for unfractionated gravel.

2.7, 2.8. (Changed edition, Rev. N 1).

2.9. The user, when checking the compliance of the sand and gravel mixture with the requirements of this standard, should apply the sampling procedure given below.

Note. It is allowed to conduct a control check of the quality of the mixture per carload.

2.11. For a control check of the quality of the mixture in a batch shipped by water transport, one sample is taken from each part of the batch with a volume of not more than 500 tons (350 m3). Sampling is carried out during unloading and loading of the ship from conveyor belts or other types of handling equipment.

The quality of the mixture is determined by the arithmetic mean of the test results of all samples.

2.12. For a control check of the quality of a mixture shipped by road, one sample is taken from each part of a batch weighing no more than 500 tons (350 m). Each sample is taken from at least five vehicles.

2.13. The mass of samples taken for the control check of a batch from railway cars, ships or cars in accordance with the requirements of paragraphs 2.10-2.12 must be at least five times the total mass of samples for testing in accordance with GOST 8269.0. The reduction of samples to the required size is carried out by quartering or using grooved dividers.

(Changed edition, Rev. N 1).

3. TEST METHODS

3.1. The test of gravel and sand, which are part of the sand-gravel mixture, for all indicators, except for the grain composition, is carried out separately according to GOST 8269.0 and GOST 8735.

To prepare the mixture for testing, it is divided into gravel and sand, while ensuring the maximum content of gravel in sand and sand in gravel, established respectively by GOST 8736 and GOST 8267.

3.2. The determination of the grain composition of the mixture is carried out in the same order as the determination of the grain composition of unfractionated gravel according to GOST 8269.0, sieving on sieves after preliminary drying of the entire sample to constant weight. At the same time, the following sieves are additionally included in the standard set of sieves: a sieve with round holes with a diameter of 2.5 mm and with a mesh N 1.25; 063 and 0315. Partial residues on sieves are calculated as a percentage of the original mass of the sample being sieved, including the amount of material that has passed through a 0.14 mm sieve.

3.1-3.3 (Changed edition, Rev. N 1).

3.4. The total specific effective activity of natural radionuclides is determined by the gamma spectrometric method according to GOST 30108.

(Introduced additionally. Amendment N 1).

4. MARKING, TRANSPORT AND STORAGE

4.1. The manufacturer (quarry) is obliged to accompany each batch of the supplied mixture with a document of the established form, which must indicate:

Name of the enterprise (quarry)-manufacturer and its address;

The date of the document and its number;

Name and address of the consumer;

Batch number and amount of sand and gravel mixture;

Wagon numbers or vessel number and invoice numbers;

Type of sand and gravel mixture (natural or enriched);

The largest size of gravel;

Grain composition of gravel;

Gravel strength grade;

Frost resistance of gravel;

Modulus of sand size, residue on sieve N 063 and passage through sieve N 014;

The designation of this standard;

- total specific effective activity of natural radionuclides.

(Changed edition, Rev. N 1).

4.4. Sand and gravel mixtures are transported and stored under conditions that protect them from clogging and pollution.

5. SUPPLIER WARRANTY

5.1. The manufacturer (quarry) must ensure that the sand and gravel mixture meets the requirements of this standard.

Electronic text of the document
prepared by Kodeks JSC and verified against:
official publication
M.: IPK Standards Publishing House, 2003

GOST 23735-79

Group G17

STATE STANDARD OF THE UNION OF THE SSR

SAND-GRAVEL MIXTURES FOR CONSTRUCTION WORKS

Specifications

Sandy-gravel mixtures for construction work.

Specifications

OKP 57 1130

Introduction date 1980-07-01

INTRODUCED BY Decree of the State Committee of the USSR for Construction of June 22, 1979 N 92

RE-ISSUE

INTRODUCED Amendment No. 1, adopted by the Interstate Scientific and Technical Commission for Standardization, Technical Regulation and Certification in Construction (MNTKS) on May 17, 2000, adopted and put into effect by the Decree of the Gosstroy of Russia N 115 dated 04.12.2000 from 01.04.2001 (BST N 2, 2001).

Amendment No. 1 was introduced by the legal bureau "Kodeks" according to the text of the distribution.

This standard applies to natural and enriched sand and gravel mixtures used:

natural - for the construction of road surfaces, the top layer of bases for pavements, for drainage layers and for other purposes in road construction in accordance with the requirements of norms and rules for the construction of roads;

enriched (obtained from natural sand and gravel mixtures by enrichment) - in accordance with the requirements of building codes and regulations for the relevant types of construction work.

The standard does not apply to natural sand and gravel mixtures used as a semi-finished product for subsequent processing by consumers.

1. TECHNICAL REQUIREMENTS

1.1. Sand and gravel mixtures are characterized by:

the content of gravel and sand in the mixture;

the largest grain size of gravel;

indicators adopted for assessing gravel according to GOST 8267-93 (grain composition, strength, content of grains of weak rocks, frost resistance, content of dusty, clay and silty particles, clay in lumps and mineralogical and petrographic composition);

indicators adopted for assessing sand according to GOST 8736-93 (grain composition and size modulus, content of dusty, clay and silty particles, including clay in lumps, content of organic impurities and mineralogical and petrographic composition).

1.2. In a natural sand-gravel mixture, the content of gravel grains larger than 5 mm should be at least 10% and not more than 95% by weight.

1.3. The enriched sand-gravel mixture, depending on the content of gravel grains, is divided into five groups:

from 15 to 25%

St. 25" 35%

" 35 " 50%

" 50 " 65%

" 65 " 75%

It is allowed to supply enriched sand-gravel-crushed stone mixture. In this case, crushed stone is included in the gravel component of the sand-gravel mixture.

1.4. The largest grain size of gravel () in a natural sand and gravel mixture should be at least 10 mm and not more than 70 mm.

1.5. Enriched sand-gravel mixture should have gravel grains of the largest size () of one of the following values: 10; twenty; 40 or 70 mm.

1.6. By agreement of the parties, it is allowed to supply a sand and gravel mixture with gravel grains larger than 70 mm, but not more than 150 mm.

1.7. The grain composition of gravel, which is part of the natural sand and gravel mixture, must meet the requirements specified in Table 1.

Table 1


Size of control sieves, mm
	0-15

1.8. The grain composition of gravel, which is part of the enriched sand-gravel mixture, must meet the requirements specified in Table 2.

table 2


Size of control sieves, mm	0,5( + )		1,25
Total residue on sieves by weight, %	40-80	0-10

(Changed edition, Rev. N 1).

1.10. The sands that are part of the natural sand and gravel mixture in terms of grain composition must meet the requirements of GOST 8736-93 for coarse, medium, fine and very fine sands.

The sands included in the enriched sand-gravel mixture must meet the grain composition requirements of GOST 8736-93 for coarse, medium and fine sands. The content of particles passing through a sieve with mesh N 014 in the sands that are part of the natural sand and gravel mixture should not exceed 20%, and enriched - 10% by weight.

(Changed edition, Rev. N 1).

1.11. The content of dust and clay particles in the natural sand-gravel mixture should not exceed 5%, including clay in lumps 1%, and in enriched - respectively 3% and 0.5% by weight.

1.12. Sand and gravel mixtures should not contain clogging inclusions.

1.13. Natural and enriched sand-gravel mixtures, depending on the value of the total specific effective activity of natural radionuclides A, are used:

for the production of materials, products and structures used for the construction and reconstruction of residential and public buildings at A up to 370 Bq/kg;

for the production of materials, products and structures used for the construction of industrial buildings and structures, as well as the construction of roads within the territory of settlements and zones of promising development at A over 370 Bq/kg up to 740 Bq/kg;

for the production of building materials for the construction of roads and airfields outside settlements at A over 740 Bq/kg up to 1500 Bq/kg".

If necessary, in the national norms in force on the territory of the state, the value of the specific effective activity of natural radionuclides can be changed within the limits indicated above.

(Changed edition, Rev. N 1).

2. ACCEPTANCE RULES

2.1. The sand and gravel mixture produced by the manufacturer (quarry) must be accepted by the technical control department of this enterprise.

When shipped by road, a batch is the amount of a mixture shipped to one consumer within one day.

2.3. The amount of the supplied mixture is determined by volume or mass. The measurement of the mixture is carried out in wagons, ships, cars.

2.4. Weighing the mixture shipped in wagons or cars is carried out on railway or truck scales. The mass of the mixture shipped in ships is determined by the ship's draft.

2.6. The determination of the grain composition of the mixture, the content of dust, clay and silt particles, including clay in lumps, is carried out daily.

(Changed edition, Rev. N 1).

2.8. Sampling of the mixture for testing is carried out in accordance with GOST 8269.0-97. Sample size is taken the same as for unfractionated gravel.

(Changed edition, Rev. N 1).

2.9. The user, when checking the compliance of the sand and gravel mixture with the requirements of this standard, should apply the sampling procedure given below.

2.10. For a control check of the quality of the mixture in a batch shipped by rail, samples are taken at a batch size of up to 3 wagons - from each wagon, with a larger batch size - from 3 wagons at the direction of the consumer. Each sample is taken when loading or unloading the mixture from at least five places in the car at different depths. Samples taken from different wagons are not mixed and tested separately. If one sample is positive, the rest of the samples are not tested.

Note. It is allowed to conduct a control check of the quality of the mixture per carload.

2.11. For a control check of the quality of the mixture in a batch shipped by water transport, one sample is taken from each part of the batch with a volume of not more than 500 tons (350 m3). Sampling is carried out during unloading and loading of the ship from conveyor belts or other types of handling equipment.

The quality of the mixture is determined by the arithmetic mean of the test results of all samples.

2.12. For a control check of the quality of a mixture shipped by road transport, one sample is taken from each part of a batch weighing no more than 500 tons (350 m3). Each sample is taken from at least 5 vehicles.

2.13. The mass of samples taken for the control check of the batch from railway cars, ships or cars in accordance with the requirements of paragraphs. 2.10-2.12, must be at least 5 times the total mass of samples for testing in accordance with GOST 8269.0-97. The reduction of samples to the required size is carried out by quartering or using grooved dividers.

(Changed edition, Rev. N 1).

3. TEST METHODS

(Changed edition, Rev. N 1).

3.2. The determination of the grain composition of the mixture is carried out in the same manner as the determination of the grain composition of unfractionated gravel according to GOST 8269.0-97, by sieving on sieves after preliminary drying of the entire sample to constant weight. At the same time, the following sieves are additionally included in the standard set of sieves: a sieve with round holes with a diameter of 2.5 mm and a mesh of 1.25; 0.63 and 0.315. Partial residues on the sieves are calculated as a percentage of the initial mass of the sample being sieved, including the amount of material that has passed through a 0.14 mm sieve.

(Changed edition, Rev. N 1).

3.4 The total specific effective activity of natural radionuclides is determined by the gamma spectrometric method according to GOST 30108-94.

(Introduced additionally. Amendment N 1).

4. MARKING, TRANSPORT AND STORAGE

4.1. The manufacturer (quarry) is obliged to accompany each batch of the supplied mixture with a document of the established form, which must indicate:

name of the enterprise (quarry)-manufacturer and its address;

date of preparation of the document and its number;

name and address of the consumer;

batch number and amount of sand and gravel mixture;

wagon numbers or vessel number and invoice numbers;

type of sand and gravel mixture (natural or enriched);

the content of gravel in the composition of the mixture;

the largest size of gravel;

the content in the mixture of dusty, clay and silty particles, including clay in lumps;

grain composition of gravel;

grade of gravel for strength;

content of grains of weak rocks in gravel;

frost resistance of gravel;

modulus of fineness of sand, residue on sieve N 063 and passage through sieve N 0.14;

designation of this standard;

total specific effective activity of natural radionuclides.

(Changed edition, Rev. N 1).

4.4. Sand and gravel mixtures are transported and stored under conditions that protect them from clogging and pollution.

5. SUPPLIER WARRANTY

5.1. The manufacturer (quarry) must ensure that the sand and gravel mixture meets the requirements of this standard.

The text of the document is verified by:

official publication

"Fillers are porous and dense."

Sat. GOSTs of the USSR Union -

M.: Publishing house of standards, 1994

Legal Bureau "Kodeks" in

the text of the document was introduced Amendment No. 1,

adopted by the MNTKS on May 17, 2000

Sand and gravel mixture GOST 23735 79. Sand and gravel mixtures for construction work. Non-compliance with the standard is punishable by law

TECHNICAL CONDITIONS

INTERSTATE STANDARD

SAND-GRAVEL MIXTURES FOR CONSTRUCTION WORKS

Specifications

1. TECHNICAL REQUIREMENTS

2. ACCEPTANCE RULES

2.7, 2.8. (Changed edition, Rev. N ° 1).

3.1-3.3 (Revision, Rev. JV° 1).

4. MARKING, TRANSPORT AND STORAGE

5. SUPPLIER WARRANTY

INFORMATION DATA

1. TECHNICAL REQUIREMENTS

2. ACCEPTANCE RULES

3. TEST METHODS

4. MARKING, TRANSPORT AND STORAGE

5. SUPPLIER WARRANTY

1. TECHNICAL REQUIREMENTS

2. ACCEPTANCE RULES

3. TEST METHODS

4. MARKING, TRANSPORT AND STORAGE

5. SUPPLIER WARRANTY

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