复杂周边环境地区超深盾构始发井施工技术  

Construction Technique of Deep Launching Shaft of Shield under Difficult Conditions

作　　者：沈永东[1] 杨流[1] 陈凯[1] 

机构地区：[1]上海隧道工程股份有限公司,上海200082

出　　处：《隧道建设》2007年第S2期365-371,共7页Tunnel Construction

摘　　要：以上海耀华支路越江隧道盾构始发井的施工技术为例,介绍了在上海城市地区软土地层和承压水条件下深基坑施工相关工艺,通过优化施工设计方案,实现工程快速施工,并将施工对周边环境的影响降低到最低程度。The construction technique of the launching shaft of shield in Yaohuazhi Road tunnel in Shanghai is presented in this paper. The construction of the deep shaft in the soft stratum with the pressure groundwater is introduced, which faces the strict environment protection requirement. The fast construction after adopting the appropriate method is performed to minimize the influence on the environment.

关 键 词：隧道 深基坑 工作井 地下连续墙 井点降水 环境保护 

分 类 号：U455[建筑科学—桥梁与隧道工程]