铁路矩形墩桥梁横向振动试验研究  

A Research over the Lateral Vibration of a Railway Bridge with Rectangular-shaped Piers

作　　者：李运生[1] 张彦玲[1] 阎贵平[2] 钟铁毅[2] 

机构地区：[1]石家庄铁道学院土木分院,河北石家庄050043 [2]北京交通大学土木建筑学院,北京100044

出　　处：《铁道标准设计》2004年第8期69-72,共4页Railway Standard Design

基　　金：铁道部科技发展计划项目 (2 0 0 2G0 30 )

摘　　要：通过对京通线银镇沟桥的现场振动测试 ,得到该桥的横向振动特性 ,给出桥上列车轮轨作用力的典型时程曲线和列车的脱轨系数及轮重减载率 ,为进一步研究矩形桥墩的横向振动提供实测数据。A field vibration test was conducted for Yinzhengou Bridge on JingTong Railway Line,resulting in the lateral vibration characteristics of the bridge,and a typical time-history curve of the wheel-rail action force,derailment coefficient of trains,and the rate of wheel load reduction,providing measured data for further study on the lateral vibration of rectangular-shaped bridge piers.

关 键 词：铁路桥梁 矩形桥墩 横向振动 脱轨系数 轮重减载率 轮轨作用力 

分 类 号：U443.22[建筑科学—桥梁与隧道工程]