公路钢筋混凝土简支梁桥在移动荷载下的竖向振动  

The Vertical vibration of Simply-Supported R.C Highway Bridges under Moving Loads

作　　者：吴启宏 

出　　处：《公路交通科技》1989年第1期25-32,共8页Journal of Highway and Transportation Research and Development

摘　　要：本文根据两座桥的现场实测资料,对钢筋混凝土简支梁桥在汽车行驶下的振动频率、荷载冲击系数、动刚度以及桥梁振动对桥上行人的影响等作一扼要的分析.In this paper, the vibration frequency, load impact factor and dynamic stiffness under moving loads and the dynmic effect on pedestrans of two simply-supported highway bridges are briefly analysed according to measured data.

关 键 词：筒支梁桥 振动 钢筋混凝土 

分 类 号：U448.217[建筑科学—桥梁与隧道工程]