最后利用三维有限元计算坝址区的构造应力以及这部分卸荷拉裂夹泥岩体对工程(主要是地下洞室稳定性)的影响。

At last, computing tectonic stress of dam zone and the relaxed-tension rock mass influence on the engineering (mostly influence on stability of underground cavern) using three-dimensional FEM.

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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。

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.

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