| 基于黏弹塑性的云岭隧道软弱围岩参数反演与稳定性分析 |
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| 引用本文： | 王晓睿,南冬梅,朱学峰.基于黏弹塑性的云岭隧道软弱围岩参数反演与稳定性分析[J].地球科学,2011,36(3):581-586. |
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| 作者姓名： | 王晓睿 南冬梅 朱学峰 |
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| 作者单位： | 华北水利水电学院资环学院;华中科技大学土木工程与力学学院;世纪博通河河南工程顾问有限公司; |
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| 基金项目： | 国家自然科学基金资助项目(No.50609028) |
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| 摘 要： | 软弱隧道围岩在工程实际和试验研究中都表现出较强的流变性质,容易造成围岩的过大变形而导致失稳.按新奥法施工原则对云岭隧道左洞进口段的软弱围岩段开挖过程进行监测,分析初期围岩位移收敛值以及二次支护和衬砌的压力变化情况,通过黏弹性有限元反分析理论,建立基于黏弹塑性的反分析体系,对围岩参数进行反演和优化.通过采用ANSYS有限...
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| 关 键 词： | 软弱围岩 动态监测 有限元模拟 参数反演 |
Visco-Elasto-Plastic Back Analysis on Yunling Tunnel in Weak Rock |
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| WANG Xiao-rui,NAN Dong-mei,ZHU Xue-feng.Visco-Elasto-Plastic Back Analysis on Yunling Tunnel in Weak Rock[J].Earth Science-Journal of China University of Geosciences,2011,36(3):581-586. |
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| Authors: | WANG Xiao-rui NAN Dong-mei ZHU Xue-feng |
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| Institution: | WANG Xiao-rui1,3,NAN Dong-mei1,ZHU Xue-feng2 1.Institute of Resoursces & Enviroument,North China University of Water Resources and Electric Power,Zhengzhou 450000,China2.Henan Shiji Botong Engineering Consultants Ltd.,China3.School of Civil Engineering and Mechanics,Huazhong University of Science and Technology,Wuhan 430074,China |
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| Abstract: | Weak rock tunnel in the engineering practice and experiment research have shown strong,easy to cause the rheological properties of rock deformation caused by excessive instability.We established anti-analysis system based on viscoelastic finite element method theory by monitoring the weak surrounding rock excavation process of Yunling left cave entrance according to the New Austria Tunneling Method and analyzing the initial value of surrounding rock displacement convergence and secondary support and lining ... |
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| Keywords: | weak rock continuous monitoring FEM simulation back analysis |
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