Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18150
Title: Running safety analysis of a train on the Tsing Ma Bridge under turbulent winds
Authors: Guo, W
Xia, H
Xu, Y 
Keywords: Dynamic interaction
Running safety
Threshold
Tsing Ma Bridge
Turbulent wind
Wind velocity
Issue Date: 2010
Publisher: Springer
Source: Earthquake engineering and engineering vibration, 2010, v. 9, no. 3, p. 307-318 How to cite?
Journal: Earthquake engineering and engineering vibration 
Abstract: The dynamic responses of the Tsing Ma suspension bridge and the running behaviors of trains on the bridge under turbulent wind actions are analyzed by a three-dimensional wind-train-bridge interaction model. This model consists of a spatial finite element bridge model, a train model composed of eight 4-axle identical coaches of 27 degrees-of-freedom, and a turbulent wind model. The fluctuating wind forces, including the buffeting forces and the self-excited forces, act on the bridge only, since the train runs inside the bridge deck. The dynamic responses of the bridge are calculated and some results are compared with data measured from Typhoon York. The runnability of the train passing through the Tsing Ma suspension bridge at different speeds is researched under turbulent winds with different wind velocities. Then, the threshold curve of wind velocity for ensuring the running safety of the train in the bridge deck is proposed, from which the allowable train speed at different wind velocities can be determined. The numerical results show that rail traffic on the Tsing Ma suspension bridge should be closed as the mean wind velocity reaches 30 m/s.
URI: http://hdl.handle.net/10397/18150
ISSN: 1671-3664
DOI: 10.1007/s11803-010-0015-3
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