深孔爆破产生根底与大块原因及对策

Reason Analysis that the Deep-hole Explosion Causes Bedrock and Bigrock and the Control Measures

通过对露天矿台阶深孔爆破产生根底和大块原因的分析,提出了消除根底、降低大块率的控制措施,从而使爆破质量达到最优,提高矿山采装效益。

This paper analyzes the cause of bedrock and big rock in deep hole explosion,puts forward control measures to improve the exploding quality, reduce the bedrock and big rock to raise the explosion quality and the mining efficiency.