The research of damage characteristics of cracked rock in cold region is one of the fundamental projects in the rock mechanics research field in cold region.

西部寒区裂隙岩石损伤破坏机理研究是目前寒区岩石力学领域的基础性研究课题之一。

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The damage propagation of rock under the freezing and thawing condition is a new direction of rock damage mechanics.

岩石冻融过程的细观损伤研究是近年来冻融损伤研究的一个新方向。

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Based on the existing research results and up to the minute theory of rock damage and fracture mechanics, the blasting damage and fracture mechanism of rock and bedded composite rock is studied.

本文基于前人的研究成果，采用岩体损伤、断裂理论的最新研究成果，研究了岩石和层状复合岩体在爆炸应力波和爆生气体作用下的损伤断裂机理。

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