既有铁路桥梁支座病害分析及改造方法  

Defect Analysis and Reconstruction Method for Existing Railway Bridge Bearing

作　　者：石秋君[1] 

机构地区：[1]中国铁道科学研究院铁道建筑研究所,北京100081

出　　处：《铁道建筑》2017年第10期12-14,25,共4页Railway Engineering

摘　　要：对既有铁路桥梁支座的使用情况进行了现场调研,总结了既有铁路桥梁板式橡胶支座、摇轴钢支座和盆式橡胶支座的常见病害,分析了病害原因,并以实际工程为例介绍了这3种支座的更换方案和推荐采用的新型支座,为支座养护维修提供参考。Based on field investigation of existing railway bridge bearings,the common bearing defects and their causes of laminated rubber bearings,rocker steel bearings and pot rubber bearings were analyzed. Taking some actual projects as examples,bearing replacement schemes and recommended new bearings were introduced. This paper could provide reference for bridge bearing maintenance and repair.

关 键 词：铁路桥梁 既有铁路 桥梁支座 病害分析 加固改造 

分 类 号：U443.36[建筑科学—桥梁与隧道工程]