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| 强度折减法分析隧道整体稳定性 | |
| 引用本文： | 安永林,黄戡,彭立敏,彭建国,丁国华.强度折减法分析隧道整体稳定性[J].公路交通科技,2011,28(4):91-95. |
| 作者姓名： | 安永林 黄戡 彭立敏 彭建国 丁国华 |
| 作者单位： | 1. 湖南科技大学,湖南省普通高等学校土木工程施工过程与质量安全控制重点实验室,湖南,湘潭,411201;中南大学,土木建筑学院,湖南,长沙,410075 2. 湖南省交通规划勘察设计院,湖南,长沙,410008;中南大学,土木建筑学院,湖南,长沙,410075 3. 中南大学,土木建筑学院,湖南,长沙,410075 4. 湖南省交通规划勘察设计院,湖南,长沙,410008 |
| 基金项目： | 中国博士后科学基金资助项目(20090461021); 湖南省研究生创新基金资助项目(3340-74236000004); 湖南科技大学博士启动基金资助项目(E51095) |
| 摘 要： | 为了判断武广客运专线浏阳河隧道DIIK1563+340～DIIK1563+410地段上台阶开挖时围岩的横向稳定性,应用强度折减法原理和有限元仿真软件建立每个强度折减系数下的仿真模型,研究拱顶沉降、地表沉降、主应力和塑性区与强度折减系数的关系,并分析隧道失稳形态.结果显示隧道的稳定安全系数为2.3,破坏首先发生在隧道两侧... |
| 关 键 词： | 隧道工程 强度折减法 稳定分析 |
Analysis of Tunnel Stability Based on Strength Reduction Method |
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| AN Yonglin,HUANG Kan,PENG Limin,PENG Jianguo,DING Guohua.Analysis of Tunnel Stability Based on Strength Reduction Method[J].Journal of Highway and Transportation Research and Development,2011,28(4):91-95. | |
| Authors: | AN Yonglin HUANG Kan PENG Limin PENG Jianguo DING Guohua |
| Institution: | AN Yonglin1,2,HUANG Kan2,3,PENG Limin3,PENG Jianguo2,DING Guohua2 (1.Key Laboratory of Civil Engineering Construction Process & Quality and Safety Control of Ordinary College in Hunan Province,Hunan University of Science and Technology,Xiangtan Hunan 411201,China,2.Hunan Provincal Communication Planning Survey and Design Institute,Changsha Hunan 410008,3.School of Civil Engineering and Architecture,Central South University,Changsha Hunan 410075,China) |
| Abstract: | In order to determine the transverse stability of surrounding rock of DIIK1563+340~DIIK1563+410 section of Liuyang River Tunnel in the Wuhan-Guangzhou passenger line,strength reduction method and finite element software were used to build the simulation models with different strength reduction factors.The relations between strength reduction factor and vault settlement,ground subsidence,principal stress and plastic zones were analyzed,and failure shape of the tunnel section was analyzed as well.The results ... |
| Keywords: | tunnel engineering strength reduction method stability analysis |
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