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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Preparation for testing The crushed stone gravel will be washed and dried up to a constant mass, sifted through the sieve with the cell size of 5mm.

Solid rock crushed stone and gravel for construction works. For its adoption voted: Sand for construction works. Determination of the mixtures filtration ratio 5.

Swelling degree of mixture used for arrangement of frost-protective layers will be determined on GOST Determination of water-resistance 4.

Mix crushed-stone-sand, fraktsiya:0-20 mm, GOST 25607-94

Quantity of the supplied crushed stone or mixtures will be determined on amount or mass, in compliance with requirements of GOST Sedimentary rock crushed stone crushability mark grade should not be lower than A manufacturer will determine and inform a customer of the crushed stone, gravel and finished mixtures bulk density.

Requirements of this standard given in the items 3. 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: Besides, 2560 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 do characterize the plasticity and water resistance indexes.

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Prepared for testing mixture is to be sifted through the sieve with the orifice diameter of 20 mm. Method of maximal density determination in the laboratory. The sedimentary rock crushed stone crushability grade is to be determined in a water-saturated condition. The crushed stone and gravel will be stored separately, on cut and mixtures — on numbers, guarding against its mixing and contamination.

At transportation of mixtures to a construction site an intermediate material handling is not allowed. Rate of the crushed stone and mixtures plasticity, as well gosg crushed stone and gravel water-resistance will be determined in compliance methods 3 and 4 of the addendum B.

Specific effective activity of natural radionuclides in the crushed stone and mixtures will be determined by gamma-spectrometric method on GOST Content of dust-like, clay particles and lumpy clay in mixtures will be determined in 2567 with addendum B.

RG24 Russia GOST R regulations are now available in English!

Construction materials and items. Method of filtration ratio laboratory determination.

Common purpose and exemplary laboratory scales. It is allowed to use in the crushed stone mixtures two or more kinds of rocks.

The crushed stone and gravel are to be accepted and ggost in lots. It is allowed not to determine the filtration ratio for sand containing grains with the size of less than 0,16 0,14 mm. Preparation of samples to testing Mixture will be dried up to a constant mass and selected two laboratory samples with mass of not less than 5,0 KG.

At that determinations of contained in the mixtures crushed stone and sand will be carried out separately. Mixtures filtration ration will be determined in compliance with method 5 of addendum B. Requirements to ready mixtures for foundations and supplementary layers construction of bases and coverings.

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Then, mixture will be sifted though the sieve with the orifices of 5 mm.

Mixes sand-crushed-stone S-3 And of S-4 of GOST buy in Minsk

M1 and M2 — for basing at availability of proper technical-economical assessment; M3 — M11 for supplementary layers of bases. At transportation by railroad transport there are to be fulfilled requirements of the loads lading and fastening Specifications approved by Communications Ministry.

Crushed stone-sand, gravel-sand and crushed stone-gravel-sand mixtures further — finished mixtures and crushed stone are to be produced in compliance with requirements of the present standard on technological schedule approved by a manufacturer.

Sampling and preparation of the crushed stone and mixture assays for quality control will be conducted in compliance with requirements of GOST Mixture filtration coefficient ratio for supplementary layers should be not less than: At control check of the crushed stone and mixture quality the Customer is to apply order of sampling from hauling units, stipulated in GOST 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.

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