Wind tunnel measurement on side force coefficient of trains passing each other on truss bridge
To investigate the mutation mechanism of the aerodynamic coefficient of train passing on truss bridge under cross wind,based on the self-developed wind tunnel test system about moving vehicle model,the aerodynamic side force of the vehicle on the bridge was tested and analysed.A 1:30 three-vehicle scale model test focusing on the CRH3 was carried out.The results show that: during the process of two trains passing each other,the side force coefficient of vehicle running on leeward side of the deck have obvious trend of mutation,while that of vehicle running on windward side vary smoothly.The mutation region is mainly affected by speed of wind induced by passing trains and will be enlarged with the increase of vehicle speed,while it can hardly be influenced by cross wind velocity.The rail position of the running train in the transverse direction has impact on the side force coefficient.
traffic engineering two trains passing each other wind tunnel test side force coefficient
Xiaowei QIU Xiaozhen LI Xiaoyi MAO Haiqing SHA
Department of Bridge Engineering,Southwest Jiaotong University,Chengdu 610031,Sichuan,China
国际会议
The 7th World Conference on Structural Control and Monitoring(7WCSCM)(第七届结构控制与监测世界大会)
青岛
英文
2048-2055
2018-07-22（万方平台首次上网日期，不代表论文的发表时间）