The mechanical properties of columnar jointed rock mass, which is the main composition of dam foundation and surrounding rock of deep cavern at Baihetan hydropower station, are very complex.

白鹤滩水电站坝基基岩及深部洞室围岩以柱状节理岩体为主，其力学特性极其复杂。

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For deep burying cavern foundation, it is treated as a problem of infinite plate containing a hole, whose analytical solution can be obtained by using elasticity theory.

对于深埋圆形洞室地基可视为一个双向受压无限板孔应力集中问题，由此也得到其弹性理论解析解。

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