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The effect of vehicle velocity on the dynamic amplification of a vehicle crossing a simply supported bridge
Date Issued
2006-03
Date Available
2010-08-09T15:47:20Z
Abstract
Many authors, using both experimental tests and complex numerical models, have examined the effect of vehicle velocity on a highway bridge’s dynamic amplification. Although these tests and models give valuable quantitative information on dynamic amplification, they give little insight into how amplification is affected by individual vehicle/bridge parameters. This paper uses relatively simple numerical models to investigate the effect of vehicle velocity on a bridge’s dynamic amplification. A single vehicle crossing a simply supported bridge is modeled as a constant point force. A set of critical velocities are determined associated with peaks of dynamic amplification for all beams. The reasons for these large amplifications are discussed. A more complex finite element model, validated with field tests, is used to test the applicability of the conclusions obtained from the simple models to a realistic bridge/vehicle system.
Sponsorship
Not applicable
Type of Material
Journal Article
Publisher
American Society of Civil Engineering (ASCE)
Journal
Journal of Bridge Engineering
Volume
11
Issue
2
Start Page
241
End Page
249
Copyright (Published Version)
2006 ASCE
Subject – LCSH
Bridges--Live loads
Bridges--Materials--Dynamic testing
Language
English
Status of Item
Peer reviewed
ISSN
1084-0702
This item is made available under a Creative Commons License
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