城市CBD群坑内深基坑加层设计施工技术研究  

Research on Design and Construction Technology of Deep Foundation Pit Addition in Group Pit of Urban CBD

作　　者：李伟强 LI Weiqiang(Shanghai Foundation Engineering Group Co.,Ltd.,Shanghai 200002,China;Shanghai Engineering Research Center of City Trenchless Construction,Shanghai 200433,China)

机构地区：[1]上海市基础工程集团有限公司,上海200002 [2]上海市非开挖建造工程技术研究中心,上海200433

出　　处：《建筑施工》2022年第9期2065-2067,2074,共4页Building Construction

摘　　要：以CBD核心区某地下室工程为例,对群坑内深基坑加层设计施工技术进行了研究。介绍了在群坑地下室完成且基坑支护完成情况下,深基坑加层设计与施工技术,以期为类似项目提供参考。Taking a basement project in CBD core area as an example,the design and construction technology of deep foundation pit addition in group pit is studied.It introduces the design and construction technology of deep foundation pit addition under the condition that the basement of group pit is completed and the foundation pit support is finished,which can provide reference for similar projects.

关 键 词：CBD核心区 群坑 地下室加层 施工空间 

分 类 号：TU753[建筑科学—建筑技术科学]