GOST 25607 PDF

Gost 1. GOST Rock products used for crushed stone and gravel road bases and surfacing. Specifications ГОСТ Crushed stone, gravel, and sand mixes for road and airfield surfaces and beds. Specifications Смеси щебеночно-гравийно-песчаные для покрытий и. GOST 94, Russian GOST Standards In English.

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Method of determination of a lumpy clay content in mixtures Content of lumpy clay will be determined by particle analytical sample selection, differing on viscosity. Rate of the crushed stone and mixtures plasticity, as well as crushed stone and gravel water-resistance will be determined in compliance godt 3 and 4 of the addendum B.

Table 1 Plasticity grade Pl1 Pl 2 Pl 3 Plasticity index Up to1 inclusively More than 1 to 5 More than 5 to 7 The crushed stone of higher crushability grade than ones indicated in 3.

Determination of the mixtures filtration ratio 5. The crushed stone and gravel are to bost accepted and delivered in lots. At transportation by railroad transport there are to be fulfilled requirements of the loads lading and fastening Specifications approved by Communications Ministry.

25067 of laboratory determination of physical properties. At shipment and storage of the crushed stone and mixtures in winter period a manufacturer has to undertake measures on their freezing shoveling, treatment by special solutions and etc. Mixture filtration coefficient ratio for supplementary layers should gozt not less than: The crushed stone plasticity grade should meet requirements given in the table 1.

Mixes sand-gravel S-11 And of S-12 of GOST 25607-94

At shipment to a customer each batch of the crushed stone and mixtures will be accompanied by documents on quality, in which there will be specified: Mixture grain compound will be determined on GOST by sizing of dried up to fixed 5.

For inspection of the crushed stone and mixture quality conformity with the present standard there will be conducted an acceptance control and periodic tests.

At shipment by motor transport in lots there will be counted amount of materials shipped to one customer glst 24 hours. Determination of specific effective activity of natural radionuclides. The crushed stone grade on water-resistance should meet requirements given in the table 2. Crushed stone of natural stone, gravel and crushed stone of gravel for construction works.

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Besides, the crushed stone and gravel contained in the mixtures do characterize water resistance index, given in the table gots.

Mixes sand-gravel S And of S of GOST buy in Minsk

After that there will be selected two analytical samples with mass indicated in Table B. Slag crushed stone and sand for road construction. Method of maximal density determination in the laboratory.

In the absence of geological exploration data gosf radiation-hygienic evaluation of the field and report on the crushed stone and mixtures report, the manufacturer will previously evaluate the mined rock areas directly in quarries or finished products warehouse, in compliance with GOST Plasticity grade will be established according to 3.

At that determinations of contained in the mixtures crushed stone and sand will be carried out separately. Kondrusev on July, 10 Plasticity rate determination Rate of plasticity will be determined as humidity indexes. For the bases frost-resistance layers there should be applied non-heaving or slightly swelling mixtures.

M1 and M2 goat for basing at availability of proper technical-economical assessment; M3 — M11 for supplementary layers of bases.

Requested with this document

Prepared for testing mixture is to be sifted through the sieve with the orifice diameter of 20 mm. Content of dust-like, clay particles and lumpy clay in mixtures will be determined in compliance with addendum B. Supply will be determined on GOST Method of filtration ratio laboratory determination.

Solid rock crushed stone and gravel for construction works. Test operation Each sample will be placed into a vessel with water of a room temperature so, as the water level in a vessel would be higher of the grain surface, which is not below of 2 cm. The mixture plasticity grade determined on grains, with the size of less than 0,63 mm.

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GOST in English | Download PDF |

Belonging to the mixture compound. Drying oven on TU The crushed stone on its grain compound, solidity, frost-resistance, content of laminar hearth and prickly form grains, dust-like and clay particles content, lumpy clay and content of the crushed grains in the gravel crushed stone, structural decay resistance of the crushed stone is to meet requirements of GOST The samples will be placed into split forms and densified by layer tamping 256607 up to maximal density at optimum moisture content, in compliance with GOST M4-M6 and M9-M10 for stabilization of motor road waysides 2.

Then, mixture will be sifted though the sieve with the orifices of 5 mm. Content of dust-like and clay gkst with size of less than 0,05 mm. The crushed stone structural resistance against silicate and ferrous decay will be determined on GOST At acceptance control of the crushed stone and mixtures there will be established: Swelling degree is characterized by relative deformation of the mixture frost swelling, which should make up not less than 0, On the manufacturer and customer agreement there can be used the sand-gravel mixtures of the indicated grain compound.

It is allowed not to determine the filtration ratio for sand containing grains with the size of less than 0,16 0,14 mm. Vessel for material saturation with water. Wire woven grids with square cells. Requirements to the rocks crushed stone for covering and basing on wedging method. Besides, the igneous and metamorphic rock crushed stone grade on crushability is equal to and lower, the sedimentary rock crushed stones grade does make up and lower, the gravel crushed stone grade is equal to and lower values gpst characterize the plasticity and water resistance indexes.