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| Numerical modeling on the excavation and reinforcement for the underground powerhouse in the Shuibuya Project |
| Ding Xiuli1，2， Shen Qian1，2， Wu Aiqing2， Zhang lian2 |
| (1 Key Laboratory of Rock and Soil Mechanics，Institute of Rock and Soil Mechanics，The Chinese Academy of Sciences， Wuhan 430071 China) (2Yangtze River Scientific Research Institute， Wuhan 430019 China) |
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Abstract The stress and deformation of the surrounding rock mass of the underground powerhouse in the Shuibuya Project are analyzed using nonlinear FEM. Furthermore，the influences of support measures concerning the replacement of soft rock mass and shotcrete-bolt supporting on the stress and deformation of the surrounding rock mass are studied. Finally，the stability of the underground powerhouse is evaluated.
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1 邬爱清，徐 平，徐春敏等. 三峡工程地下厂房围岩稳定性研究[J]. 岩石力学与工程学报，2001，20(5)：690～695
2 刘 建，丁秀丽. 彭水工程地下厂房开挖支护的数值模拟[J]. 岩土力学，1997，18(增)：193～197
3 朱维申，何满潮. 复杂条件下围岩稳定性与岩体动态施工力学[M]. 北京：科学出版社，1996
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2002, Vol. 21 
