Dynamic Interaction Between Freight Train and Steel Bridge

[+] Author and Article Information
M. H. Bhatti

GDS and Associates, Consulting Engineers, Chicago, Ill. 60602

V. K. Garg

Mechanical Engineering Department, University of Maine, Orono, Maine 04469

K. H. Chu

Civil Engineering Department, Illinois Institute of Technology, Chicago, Ill. 60616

J. Dyn. Sys., Meas., Control 107(1), 60-66 (Mar 01, 1985) (7 pages) doi:10.1115/1.3140708 History: Online July 21, 2009


The dynamic responses of a railway steel bridge due to vehicle-track-bridge interaction were investigated for the effects of vertical and lateral track irregularities, approach track quality, vehicle weight and type, and train speed. It was found that (1) greater approach irregularities produce higher impact factors and dynamic forces in bridge members; (2) light weight and empty cars produce higher impact factors but small dynamic forces; and (3) impact factors depend on such parameters as axle spacing, suspension system stiffness, truck center distances, etc.

Copyright © 1985 by ASME
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