Dynamic Response Analysis of Train-Vehicle-Bridge System Under Train-Induced Winds

被引:11
作者
Xiang, Huoyue [1 ,2 ]
Ren, Wenyuan [1 ]
Shang, Congjie [1 ]
Zhu, Jin [1 ,2 ]
Li, Yongle [1 ,2 ]
机构
[1] Southwest Jiaotong Univ, Dept Bridge Engn, Chengdu 610031, Peoples R China
[2] Wind Engn Key Lab Sichuan Prov, Chengdu 610031, Peoples R China
基金
中国国家自然科学基金;
关键词
Moving vehicle model; single-level arrangement; train-induced winds; coupled vibration of train-vehicle-bridge system; traffic safety; MODEL;
D O I
10.1142/S0219455423501328
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
For rail-cum-road bridges with single-level arrangement, there are not only dynamic interference, but also aerodynamic interference between trains and vehicles, which means that the train-induced winds generated by high-speed trains are non-negligible for vehicles. In this work, the test method of moving vehicle model is used to test the aerodynamic characteristics of vehicles under train-induced winds. Then, the model of coupled vibration of train-vehicle-bridge system considering train-induced winds is established. Finally, taking a rail-cum-road bridge with single-level arrangement as an example, the coupled vibration of train-vehicle-bridge system considering train-induced winds is analyzed, and the influence of train-induced winds, lateral spacing between trains and vehicles on train-vehicle-bridge system is discussed. The results show that train-induced winds decrease with the increase of the lateral spacing between trains and vehicles. Without considering train-induced winds, the moving train has a greater impact on the vertical response of the vehicle, and a smaller impact on the lateral response of the vehicle. When considering train-induced winds, the lateral response of the vehicle increases significantly, but decreases with the increase of the lateral spacing. In addition, road conditions and the setting of anti-dazzle plates can change traffic safety under train-induced winds.
引用
收藏
页数:24
相关论文
共 31 条
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Zou, Yunfeng ;
Yue, Peng ;
Shi, Kang ;
Xue, Fanrong ;
He, Xuhui ;
Liu, Qingkuan .
INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS, 2022, 22 (12)