| 古城水电站引水隧洞围岩稳定分析及支护结构设计 |
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| 引用本文： | 林建东,文婧. 古城水电站引水隧洞围岩稳定分析及支护结构设计[J]. 湖北水力发电, 2014, 0(2): 20-24 |
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| 作者姓名： | 林建东 文婧 |
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| 作者单位： | 中南勘测设计研究院宜昌设计院,湖北宜昌443002 |
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| 摘 要： | 结合古城水电站工程实际,对施工开挖过程中的围岩稳定问题进行了分析论证,并分析了典型工况下的衬砌受力。为验证引水隧洞施工开挖方式及衬砌型式的合理性,通过平面非线性有限元计算分析,确定各类围岩初期支护及二次支护参数,确保工程质量。
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| 关 键 词： | 隧洞 围岩稳定 支护设计 施工分析 |
Stability Analysis of Surrounding Rocks and Design of Supporting Structures of the Diversion Tunnel for Gucheng Hydropower Station |
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| Affiliation: | LIN Jiandong, WEN Jin (Yichang Design Institute of Hydroehina Zhongnan Engineering Corporation, Yiehang 443002, China) |
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| Abstract: | Stability of the surrounding rocks in Gucheng Hydropower Station due to the construction excavation is investi- gated, and the stress and strain of supporting structures in typical working conditions are analyzed. Two dimensional nonlinear finite element analyses are carried out to verify the rationality of the construction excavation schedule and the selected supporting structure pattern. Parameters for primary support and secondary support of different types of the sur- rounding rocks are determined. |
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| Keywords: | Tunnel Stability of surrounding rocks Supporting structure design Construction analysis |
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