广州某地铁深基坑地下连续墙支护结构优化设计研究  

Study on Optimization Design of Diaphragm Wall Supporting Structure for a Deep Foundation Excavation of Guangzhou Subway

作　　者：路顺 杜明芳[2] 李帅兵 吕兆龙 姚恐龙 陈炜铭 易领兵 LU Shun;DU Mingfang;LI Shuaibing;LV Zhaolong;YAO Konglong;CHEN Weiming;YI Lingbing(Zhengzhou Rail Transit Design and Research Institute Co.,Ltd.,Zhengzhou,Henan 450000,China;Henan University of Technology,Zhengzhou,Henan 450000,China;Shanghai Chengtie Construction Technology Co.,Ltd.,Shanghai 200000,China;The Hand in Railway Design&Research Institute Co.,Ltd.,Beijing 100000,China)

机构地区：[1]郑州市轨道交通设计研究院有限公司,河南郑州450000 [2]河南工业大学土木建筑学院,河南郑州450000 [3]上海城铁建筑科技有限公司,上海200000 [4]中交铁道设计研究总院有限公司,北京100000

出　　处：《施工技术》2020年第S01期793-795,共3页Construction Technology

摘　　要：为研究某地铁深基坑地下连续墙支护体系,依托广州某地铁车站深基坑工程,该深基坑工程位于城市中心繁华区域,基坑深度达32m,地下水位较高,土层以粉质黏土、强风化中风化英安斑岩为主。通过理正深基坑计算软件进行理论分析,确定该基坑围护方案采用地下连续墙+内支撑型式支护方案,对围护结构内力、变形及周边地表沉降进行了研究分析。In order to study the supporting system of the diaphragm wall of a subway deep foundation excavation,this paper relies on the deep foundation excavation project of a subway station in Guangzhou,which is located in the downtown area of the city.The depth of the foundation excavation is 32 m and the groundwater level is high The soil layer is mainly composed of silty clay and strongly weathered middle-weathered Dacite porphyry.Through the theoretical analysis of the deep foundation excavation calculation Software Lizheng,it is determined that the retaining structure of the foundation excavation adopts the retaining structure of the earth connecting wall+internal support type,and the internal force,deformation and the surrounding surface settlement of the retaining structure are analyzed.

关 键 词：地铁 深基坑 地下连续墙 内力 变形 地表沉降 分析 

分 类 号：U231.3[交通运输工程—道路与铁道工程]