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Dynamic responses of railway suspension bridges under moving trains

Xia, H., Xu, Y.L., Chan, Tommy H.T., & Zakeri, J.A. (2007) Dynamic responses of railway suspension bridges under moving trains. Scientia Iranica, 14(5), pp. 385-394.

Abstract

This paper describes a numerical simulation technique that is used to investigate a dynamic train-long suspension bridge interaction. A three-dimensional finite element model is used to represent a long suspension bridge. Each vehicle of the train is modeled by a 27-degrees-of freedom dynamic system, including two bogies with four wheel-sets. By applying a mode superposition technique to the bridge and taking the measured wheel and track irregularities as known quantities, the degrees of freedom of the bridge-train system are significantly reduced and the coupled equations of motion are efficiently solved. The proposed formulation and the associated computer program are then applied to a real long suspension bridge. The dynamic responses of the bridge and the train vehicles are computed and compared with the limited measured data and the results are satisfactory.

Impact and interest:

5 citations in Scopus
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4 citations in Web of Science®

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ID Code: 12688
Item Type: Journal Article
Additional Information: For more information, please refer to the journal’s website (see hypertext link) or contact the author.
Additional URLs:
Keywords: bridge, vehicle interaction, train, suspension bridges, dynamics
ISSN: 1026-3098
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2007 Sharif University of Technology
Deposited On: 27 Feb 2008
Last Modified: 29 Feb 2012 23:52

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