泰州长江大桥特大型深水沉井基础施工关键技术  

Key Construction Technology of Large Deepwater Open-caisson Foundation in Taizhou Yangtze River Bridge

作　　者：刘建波[1] 杨炎华[1] 翟世鸿[1] 杜松[1] 

机构地区：[1]中交第二航务工程局有限公司,湖北武汉430040

出　　处：《施工技术（下半月）》2011年第4期74-77,82,共5页Construction Technology

基　　金：国家科技支撑计划资助项目(2009BAG15B02);交通行业联合科技攻关项目(2008-353-332-150)

摘　　要：以泰州长江大桥中塔沉井基础为背景,对水深、流急等复杂条件下大型沉井定位与着床技术、终沉控制措施和信息化实时监控系统等关键难题进行研究,形成了特大型深水沉井基础施工关键技术,为中塔沉井基础准确定位、顺利下沉和安全施工提供了技术保障。同时该技术成果应用节省施工工期3个月,取得了良好的社会和经济效益。Based on open-caisson foundation of Taizhou Yangtze River Bridge middle tower,key construction problems in deep water are studied,such as large open-caisson location and implantation technology,final sinking control measures and information real-time monitoring system.Meanwhile,key construction technologies of large deepwater open-caisson foundation are formed,and it supplies technical support for accurate location,sinking and safety.The construction period is saved for three months by using this technology,and the project achieves excellent social and economic benefits.

关 键 词：泰州长江大桥 沉井基础 定位与着床 终沉控制 实时监控系统 

分 类 号：U446.2[建筑科学—桥梁与隧道工程]