大型国际航站楼双套管预应力锚索施工技术  

Construction Technology of Double Casing Prestressed Anchor Cable for Large International Terminal Building

作　　者：庞程程[1] 陈华[1] 史佳 王刚[1] 刘天颖 PANG Chengcheng;CHEN Hua;SHI Jia;WANG Gang;LIU Tianying(General Contractor of China Construction Eighth Engineering Division Co.,Ltd.,Shanghai 201204,China;Hangzhou Xiaoshan District Construction Project Quality Supervision Station,Hangzhou,Zhejiang 310000,China)

机构地区：[1]中国建筑第八工程局有限公司总承包公司,上海201204 [2]杭州市萧山区建设工程质量监督站,浙江杭州310000

出　　处：《建筑施工》2020年第10期1841-1843,共3页Building Construction

基　　金：中国建筑第八工程局有限公司科研课题(2019-2-05)。

摘　　要：以杭州萧山国际机场新建T4航站楼深基坑工程为背景,对采用双套管预应力锚索进行基坑支护施工的方法进行了总结。通过使用双套管预应力锚索施工技术,成功解决了流砂层软土层下预应力锚索施工问题,为后续相关工程深基坑施工提供了技术参考。Based on the deep foundation pit engineering of newly built T4 terminal building in Hangzhou Xiaoshan International Airport as the background,the construction method of double casing prestressed anchor cable for foundation pit support is summarized.By using the construction technology of double casing prestressed anchor cable,the construction problem of prestressed anchor cable under the soft soil layer of quicksand layer is successfully solved,which provides technical reference for the construction of deep foundation pit in subsequent related projects.

关 键 词：深基坑 预应力锚索 流砂层 双套管施工 

分 类 号：TU753[建筑科学—建筑技术科学]