软弱地层多洞室仰挖下穿既有线工况超前大管棚施工技术研究  

Research on Construction Technology of Advanced Large Pipe Shed in Weak Stratum with Multiple Caverns Overhead Excavating and Undercrossing Existing Lines

作　　者：杨刚 Yang Gang(China Railway Erju 4th Engineering Co.,Ltd.,Chengdu 610300,Sichuan Province,China)

机构地区：[1]中铁二局第四工程有限公司,四川成都610300

出　　处：《建筑与装饰》2023年第8期193-195,共3页Construction & Decoration

摘　　要：本文结合北京地铁昌平线南延工程六道口站附属换乘通道仰挖下穿既有线超前大管棚施工,详细描述其施工过程,通过开挖后掌子面加固效果揭示及分析相关施工沉降监测数据,总结出相应工况超前大管棚施工的经验,以供后续同类工程施工参考和借鉴。This paper describes the detailed construction process of advanced pipe shed construction with overhead excavation and undercrossing existing lines in a transfer channel attached to Liudaokou station of Beijing Metro Changping Line south extension project.By revealing the reinforcement effect of the tunnel face after excavation and analyzing related construction settlement monitoring data,this paper summarizes the experience of advanced pipe shed construction in corresponding working conditions,which can be used as reference for the subsequent construction of similar projects.

关 键 词：邻近既有线 仰挖 超前大管棚 施工技术 

分 类 号：J62[艺术—音乐]