| 千米深埋隧洞高地应力稳定分析及其工程应用 |
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| 引用本文： | 苏利军,翁建良,卢文波.千米深埋隧洞高地应力稳定分析及其工程应用[J].岩土力学,2008,29(Z1):221-226. |
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| 作者姓名： | 苏利军 翁建良 卢文波 |
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| 作者单位： | 1. 武汉大学水资源与水电工程科学国家重点实验室，武汉 430072；2. 长江水利委员会长江勘测规划设计研究院，武汉 430010 |
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| 摘 要： | 在深埋隧洞勘察设计和施工过程中，高地应力的存在，是影响洞室稳定的重要因素。作为南水北调西线隧洞的天然试验工程，引大济湟工程的千米埋深引水隧洞也面临高地应力下硬岩岩爆和软岩塑性变形问题。根据引大济湟工程地勘资料，拟定硬岩和软岩的典型物理力学参数。应用ANSYS有限元分析程序对围岩进行稳定性分析，在重力地应力场和全地应力场下，按线弹性法和弹塑性法计算，分析比较得到了不同埋深条件的硬岩和软岩的变形分布特性、最大拉应力分布特性、最大压应力分布特性及可能岩爆区和塑性变形区分布、剪切破坏区分布。分析成果较好地应用于引大济湟工程实践，同时也反应出施工阶段的跟踪复核的重要性。
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| 关 键 词： | 引大济湟工程 深埋隧洞 高地应力 稳定分析 工程应用 |
| 收稿时间： | 2008-08-25 |
Stability analysis of 1000m-deep-buried tunnel under high geostress entironment and its engineering application |
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| SU Li-jun,WENG Jian-liang,LU Wen-bo.Stability analysis of 1000m-deep-buried tunnel under high geostress entironment and its engineering application[J].Rock and Soil Mechanics,2008,29(Z1):221-226. |
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| Authors: | SU Li-jun WENG Jian-liang LU Wen-bo |
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| Institution: | 1. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China； 2. ChangJiang Institute of Survey, Planning, Design & Research, CWRC, Wuhan 430010, China |
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| Abstract: | The high geostress has important influence on deep-buried tunnels during the phases of design and construction.As the natural test project of western route of South to North water transfer project in China,the deep-buried water transfer tunnel of Yindajihuang Project faces the problems of rockburst in hard rock and plastic deformation in soft rock under high geostress.Representative physico-mechanical properties are studied out according to the survey data.ANSYS finite element analysis procedure is applied ... |
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| Keywords: | Yindajihuang Project deep-buried tunnel high geostress stability analysis engineering application |
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