铁路桥梁支座病害分析  

Analysis on the defects of railway bridge bearing

作　　者：刘纲 

机构地区：[1]神华包神铁路集团有限责任公司,内蒙古鄂尔多斯017000

出　　处：《山西建筑》2015年第21期150-151,共2页Shanxi Architecture

摘　　要：以包神铁路支座为背景,介绍了铁路简支梁桥的支座布置原则及其原理解析,以摇轴支座为例,研究了活动支座的工作原理,并着重探讨了活动支座位移方向指向跨中的原因,分析了过大支座位移的不利影响,以供参考。On the background of Baoshen railway bearing, this paper describes the bearing arrangement principle and principle analysis of the railway simply supported beam bridge. It describes the working principle of movable bearing with the rocker bearing as an example. And this paper emphatically analyzes the causes of directional cross of the movable bearing displacement direction. It depicts negative effects of the large bearing displacement, for reference.

关 键 词：预应力混凝土简支梁桥 活动支座 位移方向 病害 

分 类 号：U443.36[建筑科学—桥梁与隧道工程]