Aggregates quarry site selection should follow the principles as below:
① Satisfying the quality requirements of hydraulic concrete for aggregates, and its storage volume try to meet the needs of each design grading, and have necessary surplus amount.
② The quarry site, especially the main site, should have some features such as open ground, appropriate height, large storage volumes, good quality and long mining seasons. The main-auxiliary sites should be able to meet the needs of low and peak seasons as spares each other.
③ Should choose the quarry site that has high mining rate, relatively close to natural grading and design grading, small amount of artificial aggregate adjusted gradation.
④ Around quarry site have sufficient return and stocking yard, and less occupying farmland.
⑤ Should choose the quarry site that has small mining preparation work and convenient construction.
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