Coupling Vibration Characteristics of Trains and Subrail Structures during High Speed Trains Passing Each Other with Same Speed

被引：1
|
作者：
Lin P. [1 ]
Wang Y. [1 ]
Li H. [2 ]
Sun J. [3 ]
机构：
[1] School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, Gansu
[2] Railway Science and Technology Research and Development Center, China Academy of Railway Sciences Corporation Limited, Beijing
[3] Infrastructure Inspection Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing
来源：
Zhongguo Tiedao Kexue/China Railway Science | 2019年 / 40卷 / 06期
关键词：
Air pressure pulse; Coupling vibration; FEM; High speed railway; Subrail structure; Trains passing each other;
D O I：
10.3969/j.issn.1001-4632.2019.06.05
中图分类号：
学科分类号：
摘要：
Based on the theory of 3D unsteady turbulence and the dynamics theory of rigid-flexible coupled multi-body system, a coupling dynamic model of train and subrail structures was established considering the pressure pulse when trains passing each other. Respectively taking high speed trains passing each other on the 40 m long simply supported beam bridge, the bridge-subgrade transition section and the ordinary concrete subgrade as examples, considering the requirements for the safe operation of trains on bridges at higher speed, the coupling vibration characteristics of train and subrail structures during high speed trains passing each other with the same speed were studied. Results show that the indexes of train system and the acceleration of track slab increase with the increase of passing speed, while the dynamic coefficient of bridge decreases first and then increases as the passing speed increases. The crossing wind pressure has much more influence on the lateral dynamic response of train than the vertical dynamic response, while it has greater influence on the vertical dynamic response of track slab than the lateral dynamic response. The dynamic performance indexes of trains passing each other on bridge at high speed are the best. When trains pass each other on bridge at high speed, the dynamic coefficients of bridge box girders are larger than the values of existing codes. © 2019, Editorial Department of China Railway Science. All right reserved.
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页码：37 / 44
页数：7
相关论文
共 17 条
  • [1] Yang G., Wei Y., Zhao G., Et al., Research Progress on the Mechanics of High Speed Rails, Advances in Mechaics, 45, pp. 217-459, (2015)
  • [2] Liu J., Influence of Aerodynamic on Comfort of High-Speed Train, (2012)
  • [3] Diana G., Cheli F., Dynamic Interaction of Railway Systems with Large Bridges, Vehicle System Dynamics, 18, 1-3, pp. 71-106, (1989)
  • [4] Miao X., Chen C., Li M., Influence of Intersection on Lateral Vibration of High-Speed Trains on Open Tracks, Journal of the China Railway Society, 36, 12, pp. 14-19, (2014)
  • [5] Qiao Y., He D., Chen H., Et al., Study on Influence of Line Spacing of High Speed Railway on Pressure Wave Due to Meeting of Two Oncoming Trains, High Speed Railway Technology, 7, 6, (2016)
  • [6] Li H., Research on Distance between Tracks for Intercity Railway Based on Aerodynamics, Railway Engineering, 10, pp. 101-104, (2016)
  • [7] Dong Y., Research on the Aerodynamic Characteristics of High-Speed Train Crossing on the Bridge, Railway Locomotive and Motor Car, 5, (2016)
  • [8] He X., Gai Y., Wu T., Simulation of Train-Bridge Interaction under Wind Loads: a Rigid-Flexible Coupling Approach, International Journal of Rail Transportation, 6, 3, pp. 163-182, (2018)
  • [9] Meymand S.Z., Keylin A., Ahmadian M., A Survey of Wheel-Rail Contact Models for Rail Vehicles, Vehicle System Dynamics, 54, 3, pp. 386-428, (2016)
  • [10] Li G., Liu X., Yang F., Et al., Variation Law and Impact on Dynamic Performance of Profile Irregularity Caused by Creep of Simply-Supported Beam on High-Speed Railway, Scientia Sinica: Technologica, 44, 7, pp. 786-792, (2014)
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