大型沉管隧道暗埋段主体结构防水施工技术  

Waterproofing Technology of Main Structure for Buried Segment of Large Immersed Tunnel

作　　者：肖刚刚[1] 

机构地区：[1]中铁十八局集团第五工程有限公司,天津300456

出　　处：《施工技术（下半月）》2012年第9期121-124,共4页Construction Technology

基　　金：住房和城乡建设部科研项目(2012-S3-9)

摘　　要：地下工程结构防水一直是人们关注的话题,也是日后工程投入运营阶段,易出现质量问题的环节。通过对我国高烈度区第一条沉管隧道——天津市滨海新区中央大道海河隧道工程暗埋段施工为背景,研究总结出施工缝、变形缝、围护结构穿过防水层、主体结构外包防水卷材等关键节点防水设计与施工技术。Waterproofing of underground engineering has been a topic of concern and it is the common quality defects points in operation.Based on the construction of Haihe River Tunnel of Central Road in Binhai New Area,Tianjin,which is the first tunnel in high seismic intensity zone of China,the waterproofing design and construction for key joints are summed and researched including construction joints,deformation joints,surrounding structure crossing waterproofing layers and main structure wrapping waterproofing membrane.

关 键 词：隧道工程 沉管法 暗埋段 防水 施工缝 变形缝 

分 类 号：TU7[建筑科学—建筑技术科学] U45[建筑科学—桥梁与隧道工程]