保护层开挖水平预裂药量计算公式探讨

Investigation on Dose Calculation Formula of Horizotal Presplit Blasting in Excavating Protection Layer

分析了水平预测的作用机理 ,根据应力波传播理论 ,推导了水平预测的药量计算公式 ,并进行了工程实际验证 ,有一定的推广应用价值。

The mechanism of horizotal presplitting is analyzed. The dose calculation formula of horizontal presplitting is deduced on the basis of propagation theory of stress wave. The formula has been verified in practical engineering and is valuale.