泰州大桥主缆施工安全技术  

Technology for Safe Construction of the Main Cables of Taizhou Bridge

作　　者：蒋波[1] 刘小勇[2] 高亚琦[3] 李漾[2] 

机构地区：[1]江苏省长江公路大桥建设指挥部,江苏泰州225321 [2]江苏省安全生产科学研究院,江苏南京210042 [3]南京工业大学城市建设与安全工程学院,江苏南京210009

出　　处：《施工技术》2013年第11期77-79,共3页Construction Technology

基　　金：江苏省自然科学基金项目(BK2011892)

摘　　要：泰州大桥采用主跨跨径为2×1 080m的"三塔两跨"悬索桥桥型方案,创造了世界第一的W形主缆架设长度。对主缆施工安全进行了探讨,首先分析了主缆施工的危险有害因素,并分析了先导索过江、主缆架设、紧缆施工、索夹及吊索安装、主缆缠丝等工艺的安全管理及技术措施。泰州大桥通过采取合理、可靠的工艺及安全技术措施,取得了良好的控制效果。Taizhou Bridge is a two-span suspension bridge with three towers.With both spans reaching 1 080m,it is the suspension bridge with the longest W-shaped main cables in world.This paper studies the construction safety of the main cables.It firstly analyzes the hazardous factors that could endanger the main cable construction.The safety management and technical measures for procedures such as river crossing of the leading rope,main cable erection,cable tightening,cord clip and sling installation,main cable wrapping,etc.are then analyzed.The result shows that by adopting reasonable and reliable technology and safety management measures,good control effect has been obtained in Taizhou Bridge.

关 键 词：桥梁工程 悬索桥 主缆 施工技术 安全施工 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]