天津地区超深地下连续墙成槽施工技术  

Slotting Construction of Super-deep Diaphragm Wall in Tianjin Area

作　　者：杨宝珠[1] 张淑朝[1] 

机构地区：[1]天津城市建设学院天津市软土特性与工程环境重点实验室,天津300384

出　　处：《施工技术》2013年第2期89-91,共3页Construction Technology

基　　金：天津市科技支撑重大项目资助(11ZCZDSF04800)

摘　　要：天津地区土层存在上软下硬的情况,超深地下连续墙成槽施工存在上部软土易塌槽、深部砂土难抓取、垂直度难以保证等困难。通过总结国内超深地下连续墙成槽施工经验,针对天津地区地质条件,总结出适用于天津地区的超深地下连续墙成槽技术,以用于指导天津地区超深地下连续墙的成槽施工。The stratum in Tianjin area is soft up and hard down.There are many difficulties such as easily collapsing of upper soft soil,difficultly cutting of deeper sand and hard ensuring of verticality etc.in the slotting of super-deep diaphragm wall.Through summarizing domestic slotting experiences of super-deep diaphragm wall,this paper summarized a slotting technology of super-deep diaphragm wall under Tianjin＇s geological conditions which can be used to direct slotting construction of super-deep diaphragm wall in Tianjin area.

关 键 词：地下工程 地下连续墙 成槽 施工机械 施工技术 

分 类 号：TU476.3[建筑科学—结构工程]