爆破装药位置和药量对岩体损伤累积规律有一定的影响。

The charge and its position could influence the damage cumulative rules of rock mass.

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以空气垫层和水垫层为例介绍软垫层光面爆破装药结构爆破机理。

The blasting mechanism of smooth blasting soft mat layer charging construction (for example, air layer and layer) is introduced.

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简单分析了聚能爆破装药在孔内爆破的力学效应，阐明了聚能爆破对岩石定向破裂的控制机理。

The mechanic affection on the blast hole walls is simply analysed and cracking propagation caused by shaped charge is explained in this paper.

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