既有高速铁路桥梁支座病害整治技术研究  

Research on the Disease Control Technology of the Existing High-speed Railway Bridge Support

作　　者：迟翔 CHI Xiang(China Railway 25th Bureau Group Second Engineering Co.,Ltd.,Nanjing 210034,China)

机构地区：[1]中铁二十五局集团第二工程有限公司,南京210034

出　　处：《价值工程》2025年第5期137-139,共3页Value Engineering

摘　　要：随着高速铁路的迅速发展,高铁桥梁支座病害问题发生的频率与日俱增,严重危及列车运行的质量及安全。为了解决因为桥梁支座变形损坏引发的安全隐患,本文结合成渝高铁清水河双线特大桥等10座桥梁22个支座病害整治工程的现场施工经验,对既有线高速铁路桥梁进行顶升更换支座展开技术研究,解决了高速铁路桥梁因桥座损坏引起的安全隐患问题,确保了成渝高铁的运营安全,可为类似工程提供借鉴经验。With the rapid development of high-speed railway,the frequency of high-speed railway bridge support diseases is increasing,which seriously endangers the quality and safety of train operation.In order to solve the safety hidden trouble caused by bridge support deformation damage,this article combines the on-site construction experience of 22 bearing disease control projects for 10 bridges,including the Qingshuihe double track super large bridge of the Chengdu-Chongqing high-speed railway,to conduct technical research on the replacement of bearings by lifting existing high-speed railway bridges.It solves the safety hazards caused by bridge seat damage in high-speed railway bridges,ensures the operation safety of the Chengdu-Chongqing high-speed railway,and provides reference experience for similar projects.

关 键 词：既有线高速铁路 桥梁顶升 支座更换 PLC液压控制系统 

分 类 号：U445.71[建筑科学—桥梁与隧道工程]