Properties of Nonmetallic Materials and Their Effect on the Quality of end Products

The paper presents investigations of crushed stone from main material providers of Krasnoyarsk Krai. The samples are tested in compliance with SNiP 8269.0-97. A series of tests includes the grain composition of crushed stone, flour and clay particles, acicular- and cubic-shape grain content, crushability, real grain density, bulk density, void content, Rockwell hardness. Recommendations are given for crushed stone from different deposits which can be used to design a solid sub-rail base, road subgrades and pavements.

строительные материалы, щебень, зерновой состав, истинная плотность, насыпная плотность, твердость, лещадность, пустотность, электрическая проводимость, структура щебня, construction materials, crushed stone, grain size, true specific gravity, bulk density, hardness, flatness, void content, electrical conductivity, structure

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