| 公路隧道数值模拟开挖支护浅析 |
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| 引用本文： | 王志福,李鲁.公路隧道数值模拟开挖支护浅析[J].山西交通科技,2008(5). |
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| 作者姓名： | 王志福 李鲁 |
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| 作者单位： | [1]山西省交通科学研究院 [2]中国矿业大学 |
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| 摘 要： | 利用ANSYS有限元分析软件,考虑地应力的逐步释放,对某公路隧道软弱围岩标段的台阶法开挖支护进行了数值模拟,并对围岩和支护体系的变形和受力特点进行了分析,得到了拱顶沉降、洞内水平收敛以及支护结构内力变化规律,这为工程的顺利实施提供了依据和指导,可供类似工程参考。
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| 关 键 词： | 软弱围岩 公路隧道 台阶法 数值模拟 |
The Study on Numerical Simulation of Highway Tunnel Excavation and Support |
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| WANG Zhi-fu,LI Lu.The Study on Numerical Simulation of Highway Tunnel Excavation and Support[J].Shanxi Science & Technology of Communications,2008(5). |
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| Authors: | WANG Zhi-fu LI Lu |
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| Institution: | WANG Zhi-fu1,LI Lu2(1.Shanxi Provincial Research Institute of Communications,Taiyuan,Shanxi 030006,China,2.China University of Mining Industry,Beijing 100083,China) |
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| Abstract: | Using ANSYS program,and in thought of releasing stress step by step,we simulate tunnel excavation and support by the bench cut method in the soft rock,and study the characteristics of stress and deformation of surrounding rock and supporting system,then get the development regularity according to time of vault crown settlement,horizontal convergence and supported structure force.It provides instruction for the project and other similar projects. |
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| Keywords: | soft rock highway tunnel bench cut method numerical simulation |
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