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It was found that the direction of rock fracturing can be controlled accurately by using slotted cartridge blasting. 试验结果表明，采用切缝药包爆破可以精确地控制岩石断裂方向。
Cavity effect, fracture condition and mechanical analysis of the lancing cartridge blasting, and mechanism of explosive forming crevice are discussed. 论述了切缝药包爆破的聚能作用，开裂条件与力学分析，以及爆炸成缝的机理。
It can be concluded that cutting seam cartridge blasting has a distinct energy cavity effect and protecting borehole wall effect and its optimum decouple coefficient is 1. 通过理论和实验研究了切缝药包爆破机理和爆破参数，结果表明，切缝药包爆破有明显的聚能效应和护壁作用，其最佳装药不耦合系数为1。