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岩爆是高地应力区地下工程中常见的一种卸荷破坏地质灾害现象。本文按照地下洞室开挖过程中围岩的实际受力状态,采用卸荷三轴试验方法,探讨了岩爆岩石的变形破坏特征和岩爆形成力学机制问题。
Rockburst is a common phenomenon of unloading and destroying geological disasters in underground engineering of high stress area. According to the actual stress state of surrounding rock during excavation of underground caverns, the unloading triaxial test method is used to discuss the deformation and failure characteristics of rockburst and the mechanics of rockburst formation.