岩石冲击破坏是一种典型的动力学问题。
Impact failure of rock is a kind of typical dynamic problem.
岩石冲击是地下工程开挖过程中的一种灾害，它在抛掷岩石过程中，表现出能量释放现象。
Rock burst is a kind of catastrophe during the excavation in underground projects. It is a process of energy release and rock block casting.
在考虑岩石冲击损伤过程的声波衰减规律及其与能量耗散率关系的基础上，建立新的岩石爆破损伤模型。
Considering the relationship of the attenuation of wave and damage energy dissipation, a new rock damage model is developed for rock blasting.
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