双排型钢水泥土搅拌桩围护结合中心岛开挖在大型深基坑中的应用研究  

Study on Application of Double-row Steel Cement-Soil Mixing Pile Enclosure Combined with Central Island Excavation in Large Deep Foundation Pits

作　　者：宋自杰 谭英辉 方奇 SONG Zijie;TAN Yinghui;FANG Qi(Shanghai Construction No.7(Group)Co.,Ltd.,Shanghai 200050,China)

机构地区：[1]上海建工七建集团有限公司,上海200050

出　　处：《建筑施工》2024年第6期942-944,共3页Building Construction

基　　金：上海建工七建集团有限公司课题(QJKY23-3-1)。

摘　　要：结合背景工程实例,采用双排型钢水泥土搅拌桩围护结合中心岛开挖的基坑支护方案,对围护方案选型、施工关键技术以及基坑变形监测情况进行分析与总结,在有效缩短基坑施工时间的基础上,降低了工程造价,可为类似工程施工提供借鉴。Incorporating background engineering examples,the foundation pit support scheme that employs a double-row steel cement-soil mixing pile enclosure combined with a central island excavation is adopted.The selection of enclosure scheme,key construction techniques and the deformation monitoring of foundation pit are analyzed and summarized.On the basis of effectively shortening the construction time of foundation pits,the project cost is reduced,which can provide reference for similar engineering constructions.

关 键 词：型钢水泥土搅拌桩 中心岛开挖 钢斜撑 大型深基坑 

分 类 号：TU753[建筑科学—建筑技术科学]