三塔悬索桥上部结构施工及其技术创新  

Construction and Technological Innovation on Superstructure of Three-tower Two-span Suspension Bridge

作　　者：陈策[1,2] 唐轲[2] 

机构地区：[1]河海大学土木与交通学院,南京210098 [2]江苏省长江公路大桥建设指挥部,江苏泰州225321

出　　处：《铁道标准设计》2012年第10期34-37,57,共5页Railway Standard Design

基　　金：国家科技支撑计划资助项目(2009BAG15B02);交通运输部2008年度部省联合攻关项目(2008-353-332-170);江苏省“333高层次人才培养工程”专项资助项目

摘　　要：泰州大桥为世界首座千米级的三塔两跨悬索桥,与两塔悬索桥相比,其上部结构施工中存在着众多技术难题,论述三塔悬索桥上部结构施工的关键工序及专用的紧缆机、缠丝机、跨缆吊机,重点介绍上部结构施工中的猫道安装、主缆线形控制、钢箱梁吊装顺序确定及合龙段施工等,并阐述了上部结构施工中的专利、标准及多项创新技术,为今后的多塔连跨结构的上部结构施工提供借鉴。Taizhou Bridge is the first suspension bridge of kilometer level in the world,with three towers and two spans.Comparing with two towers suspension bridge,its superstructure construction is much more difficult.This paper describes the main construction process and the special machines such as cable tight machine,cable winding machine and loop wheel machine.And then it discusses especially the construction of catwalk system,main cable geometric pattern controlling,steel box girder hoisting sequence and closure section construction.It also mentions the patents,standards,and a number of innovative technologies in the construction of the superstructure,which will provide a reference for the future superstructure construction of multi-tower suspension bridge.

关 键 词：三塔悬索桥 上部结构施工 猫道安装 主缆架设 钢箱梁吊装 技术创新 

分 类 号：U448.25[建筑科学—桥梁与隧道工程]