施工技术 2011年2月 48 CONSTRUCTION TECHNOLOGY 第40卷第3期 浅埋偏压隧道开挖数值模拟与监测分析 高文学，孙文龙2，周文旭3，付萍2，邓洪亮3，张洋洋2 (1.北京工业大学城市与工程容全减史教育部童点实验室，北京100124： 2.北京帝公路桥梁建设集团有限公司，北京100068：3，北京工业大学建筑工程学，北京100124) []以宠兴路改建工程火部塔腿为研究对象，利用MIDAS--GTS件建立了浅理编压腿道进口轻数德计算 型，分析了运开挖状态下围毒应力快、位场、塑性召分布以及浅理压段反压回镇移定土后的应力分布规律， 并与现场监测数进行了分析对比，得出了一些可靠的结论. [关键词]浅埋编压隧道：围岩变形：反压回镇：拟：族监测 [中密分类号]U459.2 [交献标识码]A[交章编号]1002-8498(2011)03-0048-03 Numerical Simulation and Monitoring Analysis for Construction Process of Shallow Tunnel Under Unsymmetrical Pressure Gao Wenxue' Sun Wenlong2 Zhou Wenxu' Fu Ping2 Deng Hongliang Zhang Yangyang2 (1.The Key Laboratory of Urban Security and Disaster Engineering Ministry of Education Beijing Unirersity of Technology Beijing 100124 China: 2.Beijing Roads and Bridges Construction Group Corporation Limited Beijing 100068 China: 3.The College of Architecture and Ciril Engineering Beijing Unirersity of Technology Beijing 100124 China) Abstract:By using the finite element software-MIDAS/GTS the authors set up the finite element model of shallow tunnel entrance segment under unsymmetrical pressure in Huolangyu tunnel in Mixing road reconstruction project and analyze stress field displacement field and plastic field distribution of the surrounding roek under tunnel exeavation condition.They also study stress distribution laws of shallow tunnel under unsymmetrical pressure which be back filled with soil. Key words:shallow tunnel under unsymmetrical pressure:surrounding rock deformation:back fill: numerical...
浅埋偏压隧道开挖数值模拟与监测分析.pdf
