地铁明挖基坑支撑施工关键技术  

Key Technologies for Supporting Construction of Metro Open Excavation Foundation Pit

作　　者：毛磊 MAO Lei(The Third Engineering Co.,Ltd.of CREC Guangzhou Group,Zhaoqing 526000,China)

机构地区：[1]中铁广州工程局集团第三工程有限公司,肇庆526000

出　　处：《价值工程》2023年第23期62-64,共3页Value Engineering

摘　　要：地铁车站深大基坑开挖中的基坑支护施工是施工安全的重要环节,以重庆轨道交通十号线车站为背景,介绍了地铁明挖基坑支撑施工关键技术,支护系统为钢支撑,重点阐述了斜撑钢围檩和钢围檩的施工要点,并指出了支撑体系的施工注意事项,为相关工程提供参考。The foundation pit support construction in the deep and large foundation pit excavation of subway station is an important link of construction safety.Taking the station of Chongqing Rail Transit Line 10 as the background,this paper introduces the key technology of subway open excavation foundation pit support construction,the support system is steel support,and focuses on the construction points of slant support steel purlin and steel purlin,and provides reference for the construction of the support system,providing reference for related projects.

关 键 词：明挖基础 深大基坑 地铁车站 施工技术 支撑 

分 类 号：U231.3[交通运输工程—道路与铁道工程]