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| NUMERICAL ANALYSIS ON LINING STRUCTURE OF RESTRICTED CYLINDRIC SURGE CHAMBER IN ROCK MASSES WITH STEEP OBLIQUITY |
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Abstract The stability of lining structure of Langyashan restricted cylinder surge chamber in the rock masses with steep obliquity is analysed by using three-dimensional nonlinear FEM. The analytical method of surge chamber’s lining and surrounding rock stressed jointly is presented，and the computing formulae and methods of crack width and reinforcement rate are alse given. By computing for various schemes，the force-bearing state of the lining structure of cylinder surge chamber with bifurcation is illustrated，and a better numerical analysis method for similar cases is presented.
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Received: 05 October 2002
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CHEN Weizhong1*, LIU Xinyu1, 2, YANG Jianping1, WANG Wei1, 2, ZANG Zhonghai3, DING Hongyuan3, ZHANG Zheyuan3, WANG Xiaogang3, SHI Zhengrong1. Development of a large-scale 3D physical model test system for underground energy storage caverns and its model experimental study[J]. , 2026, 45(6): 1615-1628. |
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