Crushed stone
Inorganic granular bulk material with grains of size in excess of 5 mm, obtained by crushing rock, incidentally extracted overburden and host rock or rejects mining enterprises for processing of ores and non-metallic minerals other industries, followed by sieving products division.
Crushed stone is used for the production of concrete and its products, at the time of laying the foundations of buildings, road construction.
Characteristics of the Crushed stone
| Indicator | 5-10 mm | 10-20 mm | 20-40 mm |
|---|---|---|---|
| The content of lamellar (flaky) & needle shape, % | 37,5 | 6,5 | 1,3 |
| The content of dust and clay particles, % | 0,45 | 0,40 | 0,30 |
| Content of soft rock, % | 18,0 | 5,0 | 4,5 |
| The clay content in the lumps, % | No | No | No |
| Bulk density, kg/m3 | 1067 | 1187 | 1293 |
| Brand strength (divisibility) | 1200 | 1400 | 1200 |
| Mark of abrasion | I1 | I1 | I1 |
| Frost-resistance | F200 | F300 | F300 |
| The content of hazardous components and impurities | within the normal range | within the normal range | within the normal range |
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