| 东深供水工程隧洞洞口段围岩变形规律及进洞条件分析 |
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| 引用本文： | 李嗣勤,吴欣.东深供水工程隧洞洞口段围岩变形规律及进洞条件分析[J].建筑技术,2010,41(11):1047-1050. |
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| 作者姓名： | 李嗣勤 吴欣 |
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| 作者单位： | [1]国网新源控股有限公司,北京100005 [2]领时科技（北京）有限公司,北京100029 |
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| 摘 要： | 选取东深供水工程凤岗隧洞洞口段,采用三维弹塑性有限元法,模拟施工开挖过程,分析施工期围岩的变形、应力应变状态,探讨不同岩性条件下的围岩稳定情况及进洞条件,为设计和施工提供参考。
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| 关 键 词： | 隧洞 三维弹塑性 支护 围岩稳定 进洞条件 |
THE ANALYSIS ON DEFORMATION LAW OF SURROUNDING ROCKS AND ENTERING TUNNEL CONDITION FOR THE ENTERING TUNNEL SECTION IN TUNNEL PROJECT OF DONG-SHEN WATER SUPPLY |
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| LI Si-qin,WU Xin.THE ANALYSIS ON DEFORMATION LAW OF SURROUNDING ROCKS AND ENTERING TUNNEL CONDITION FOR THE ENTERING TUNNEL SECTION IN TUNNEL PROJECT OF DONG-SHEN WATER SUPPLY[J].Architecture Technology,2010,41(11):1047-1050. |
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| Authors: | LI Si-qin WU Xin |
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| Affiliation: | 1.State Grid Xin Yuan Company Limited,100005,Beijing,China;2.Top Era Technology (Beijing) Company Limited, 100029,Beijing,China) |
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| Abstract: | According to the entering tunnel section of Feng-gang tunnel project of Dong-shen water supply, the paper simulate the whole processes of excavation on the basis of elasto-plastic FEM.,as well as to anlysis the deformation stress and strain of surrounding rocks, and discus stability of surrounding rock and entering tunnel condition relating to different rock mass, learn some proposal for design and construction. |
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| Keywords: | tunnel 3D elasto-plastic FEM supporting stability of surrounding rock entering tunnel condition |
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