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Resonance in long-span railway bridges carrying TGV trains

Lookup NU author(s): Dr Gunmo Gu

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Abstract

© 2015 Elsevier Ltd. All rights reserved. Abstract This research reviews principles behind resonance in long-span railway bridges carrying TGV trains, and introduces a practical method of analysis to determine the degree of resonance and dynamic impact factor under different scenarios. The method is based on a virtual structure consisting of a bridge and a fully articulated train suspension system. The response histories of the train and bridge are computed simultaneously by directly integrating the equation of motion of the entire virtual structure. The method is applied to measure resonance in a realistic model: a 100 m beam-type railway bridge carrying a TGV train, both with appropriate physical characteristics.

Publication metadata

Author(s): Gu G

Publication type: Article

Publication status: Published

Journal: Computers and Structures

Year: 2015

Volume: 152

Pages: 185-199

Print publication date: 01/05/2015

Acceptance date: 01/01/1900

ISSN (print): 0045-7949

Publisher: Elsevier Ltd

URL: https://doi.org/10.1016/j.compstruc.2015.02.002

DOI: 10.1016/j.compstruc.2015.02.002

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