郭家沱长江大桥主缆防护体系的应用研究  

A Study on Application of the Main Cable Protection System for Guojiatuo Yangtze River Bridge

作　　者：刘孝辉[1] 冯雍 甘露[1] 何超 LIU Xiaohui;FENG Yong;GAN Lu;HE Chao

机构地区：[1]招商局重庆交通科研设计院有限公司,重庆400067 [2]中航百慕新材料技术工程股份有限公司,北京100095

出　　处：《公路交通技术》2018年第6期85-88,共4页Technology of Highway and Transport

摘　　要：主缆是悬索桥最重要的受力构件,如果长期暴露在自然环境中,各种腐蚀介质会对主缆钢丝产生腐蚀。为了解决悬索桥主缆被腐蚀的问题,国内外均有好多种防护方案的实践。对国内外的主缆防腐方案进行归纳总结,探讨各种方案的优缺点,结合重庆地区的腐蚀环境以及郭家沱长江大桥的实际情况,展开更为合理、适用的主缆防护体系的应用研究。Main cable is the most significant structural element for the suspension bridges.If exposed to the natural environment for a long time,various corrosive media will corrode the main cable wire.In order to solve the problem of corrosion of the main cable of the suspension bridge,there are many practices of various protection schemes at home and abroad.This paper presents a review of applications of main cable protection system in different projects.In addition,it focuses on discussing the advantages and disadvantages of various protection methods.Above all,this paper carried out a comprehensive research to establish a more appropriate protection method for the actual environment conditions for Guojiatuo Yangzte River Bridge in Chongqing area.

关 键 词：主缆 聚异丁烯不干性密封膏 聚硫密封胶 除湿系统 

分 类 号：U448.25[建筑科学—桥梁与隧道工程]