RIDING COMFORT OF A DOUBLE-DECK LONG-SPAN BRIDGE UNDER BOTH ROAD VEHICLES AND MONORAIL TRAINS

被引：0
|
作者：
Si, X. T. [1 ]
Au, Francis T. K. [1 ]
Guo, W. H. [2 ]
机构：
[1] Univ Hong Kong, Dept Civil Engn, Hong Kong, Hong Kong, Peoples R China
[2] Cent S Univ, Sch Civil Engn & Architecture, Changsha, Hunan, Peoples R China
来源：
PROCEEDINGS OF THE SECOND INTERNATIONAL POSTGRADUATE CONFERENCE ON INFRASTRUCTURE AND ENVIRONMENT, VOL 2 | 2010年
基金：
中国国家自然科学基金;
关键词：
Bridge-vehicle interaction; long-span bridges; monorail trains; road vehicles; surface roughness; DYNAMIC-RESPONSE; IMPACT; ROUGHNESS;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper presents a method for three-dimensional dynamic analysis of double-deck long-span bridges carrying road vehicles and monorail trains considering the effects of vertical and horizontal surface roughness of the bridge deck and rail tracks respectively. The road vehicle is modelled as a mass-spring-damper system with 7 degrees of freedom (DOFs) while that of the monorail train has 15 DOFs. Then a fully computerized approach is adopted to assemble the governing equation of motion of the coupled system. This coupled system can be reduced to a vehicle-bridge or train-bridge interaction system. Based on this framework, dynamic analysis of a long-span bridge carrying both road vehicles and monorail trains is carried out to investigate the effects of vehicles on the riding comfort of monorail trains and vice versa.
引用
收藏
页码：196 / 203
页数：8
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