deep-buried pressure cavern 深埋承压硐室
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。
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。
Thus we can infer that Nihewan ape-man may either rest under the bare cliff of the Gorge Area or be buried in the marsh country or deep in the lake bed, or in the accumulation layer of the cavern.
由此推测，泥河湾大猿人或沉睡于沟壑区的裸崖下，或葬身于沼泽地带和湖底，或安葬于山洞的堆积层里。
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