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为探讨常规炸药与确定岩体间实现合理匹配的可能性，本文采用等效波阻法，分析了炸药与孔壁之间嵌入不同厚度和阻抗的中间层时的能量传递效果。分析结果表明：当炸药与岩体阻抗很不匹配时，使用合适的阻抗和厚度的中间层，不但可有效地提高能量利用率，同时无需特别扩大一般工程爆破时的炸药种类，是一种合理破碎不同强度矿岩的可行方案
In order to explore the possibility of achieving a reasonable match between conventional explosives and determined rock mass, an equivalent wave resistance method is used to analyze the energy transfer effect of the interlayers with different thickness and impedance embedded between the explosive and the pore walls. The analysis results show that when the impedance between the explosive and the rock mass is not matched, using the middle layer with the appropriate impedance and thickness can not only effectively increase the energy utilization rate, but also need not particularly enlarge the explosive type in the general engineering blasting. Feasible scheme for crushing ore of different intensities