复杂环境条件下狭长深基坑无栈桥快速施工技术  

Rapid Construction Technology of Long and Narrow Deep Foundation Pit Without Trestle Under Complex Environment

作　　者：刘祥 LIU Xiang(Shanghai Construction No.1(Group)Co.,Ltd.,Shanghai 200120,China)

机构地区：[1]上海建工一建集团有限公司,上海200120

出　　处：《建筑施工》2021年第7期1209-1211,共3页Building Construction

摘　　要：上海市中心城区某狭长深基坑周边环境复杂、场地狭小、保护要求高。以该基坑为例,围绕施工重难点,分析总结了基坑围护、基坑区域划分、土方开挖以及组织措施等关键技术。现场信息化监测结果表明,通过合理组织和施工,可有效控制基坑侧向变形及周边管线沉降,保证了周边环境的安全。The surrounding environment of a long and narrow deep foundation pit in the downtown of Shanghai is complex,the site is narrow,and the protection requirements are high.Taking the foundation pit as an example,with respect to the key and difficult points of construction,this paper analyzes and summarizes the key tech no logies of foundation pit support,foundation pit area division,earthwork excavation and organization measures.The field information monitoring results show that through reasonable organization and construction,the lateral deformation of foundation pit and the settlement of surrounding pipelines can be effectively controlled,and the safety of surrounding environment can be ensured.

关 键 词：狭长深基坑 变形控制 信息化监测 无栈桥 

分 类 号：TU753.1[建筑科学—建筑技术科学]