Crushed stone

Crushed stone fraction 5-20 is designed for the production of high-strength concrete and is used in the laying and repair of roads. It is used in the construction of bridges, foundation works, to create various products from reinforced concrete. In the construction of premises with a high level of humidity, use crushed stone as a material with a low level of water absorption. Type of crushed stone shale Fraction, mm 5-20 Bulk density, 1500 kg/m³ Content of grains of lechadnaya and needle-shaped 21 Frost resistance 100 Crushed stone grade on crushability M 800 Content of grains of weak rocks, % 4 Content of dust-like and clay particles, % 1 Content of clay in clumps is absent Grain composition of crushed stone corresponds to GOST Effective specific activity Aeff, Bq/kg up to 50