Influence of Moving Vehicles on Vertical Vibration of Simply Supported Bridge

Yan Han; Xiao Dong Wang; Chao Qun Li

doi:10.4028/www.scientific.net/AMM.405-408.1578

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 405-408Influence of Moving Vehicles on Vertical Vibration...

Influence of Moving Vehicles on Vertical Vibration of Simply Supported Bridge

Abstract:

Euler beam dynamic analysis model under moving loads and wheels plus spring-damper-sprung mass action were established respectively. The simply-supported beam motion control equations were derived and the corresponding simulation analysis procedures were worked out. The vertical dynamic responses of simply-supported bridge under typical vehicles at different speeds were studied systematically. Impact factors calculated from the two analysis model were compared with the values of the current bridge specifications. It is shown that vehicle inertia force has little effect on the vertical deflection and vertical vibration acceleration of the bridge, the vehicle impact effect on bridge gradually go up with the passing speed increasing, vehicle weight has great influence on the vertical vibration of the bridge. The problem of passing overloaded vehicles must be considered seriously in bridge design and use.

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Periodical:

Applied Mechanics and Materials (Volumes 405-408)

Pages:

1578-1586

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.405-408.1578

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Online since:

September 2013

Authors:

Yan Han, Xiao Dong Wang, Chao Qun Li

Keywords:

Impact Effect, Motor Vehicle Load, Moving Load, Simply-Supported Bridge, Vehicle-Bridge System

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