So, the structure character study of rock mass is very useful to value the wall-rock's stability of underground powerhouse.

因此，研究地下硐室的岩体结构特征，对评价地下硐室的围岩稳定性是很有帮助的。

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There are many factors to affect the wall-rock 's stability of underground powerhouse, and the structure character of rock mass is one of the factors.

水电站地下厂房的围岩稳定性的影响因素很多，围岩的岩体结构特征就是其中的一种。

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So, This dissertation take cause of formation and distributing character of red mud-intercalated and relaxed-tension rock mass and its influence on the engineering as main research content.

因此，本论文以深部大范围分布的红色夹泥以及强烈卸荷拉裂岩体的成因、空间分布特征以及对工程的影响作为主要的研究内容。

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