Deep Hole Bench Blasting 深孔台阶爆破
deep hole and bench blasting 深孔梯段爆破
deep-hole bench loosening control blasting 深孔台阶松动控制爆破
Three dimensional finite element computing model is established and the effect of stemming length to deep hole bench blasting is studied by three dimensional finite element method.
采用三维有限元数值分析法，通过建立三维有限元计算模型，分析堵塞长度对堵塞区有效应力场的影响。
Simulation on effect of stemming length to deep hole bench blasting;
大块率是评价露天矿台阶深孔爆破质量的重要指标之一。
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