Research Article
Sep 1979
Railway-Bridge Impact: Simplified Train and Bridge Model
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 105, Issue 9
Abstract
A lumped mass model of a railway bridge is developed where only the vertical degree-of-freedom for each joint is considered. The vehicle system is idealized as a three degree-of-freedom model of a railway vehicle consisting of the carbody and wheel-axle sets. Dynamic interaction equations for the bridge-vehicle system are derived and solved using the numerical integration method. Impact factors for member forces and nodal deflections are generated under the action of a single or a series of three moving vehicles. Impact factors are compared with AREA specifications for truss and girder bridges.
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Information
Published In
Journal of the Structural Division
Volume 105 • Issue 9 • September 1979
Pages: 1823 - 1844
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Sep 1979
Published online: Feb 1, 2021
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Authors
Affiliations
Kuang-Han Chu, F.ASCE
Prof. of Civ. Engrg., Illinois Inst. of Technology, Chicago, Ill.
Chaman L. Dhar
Grad. Student, Civ. Engrg. Dept., Illinois Inst. of Technology, Chicago, Ill.
Vijay K. Garg, M.ASCE
Mgr., Dynamics Research Div., Tech. Center, Association of American Railroads, Chicago, Ill.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.