failure scope of surrounding rock 围岩破坏范围
failure law of surrounding rock 围岩破坏规律
The fundamental force leading to the failure of surrounding rock is the stress re-distribution caused by tunnel excavation, and stress concentration.
隧洞开挖引起的围岩应力重新分布和应力集中是导致围岩失稳破坏的根本作用力。
Theoretical analysis shows that the progressive failure of the surrounding rock of opening is mainly caused by strength attenuation and creep mass.
理论分析说明，巷道围岩的渐进破坏主要是岩体强度衰减和蠕变性质影响的结果。
The failure of brickwork roadway is mainly caused by the contacting relation of support and surrounding rock and inadequate deformation of support .
砌碹巷道破坏的主要原因是由于支护-围岩接触关系不能适应巷道变形特性造成。
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