Title: Three-Dimensional Finite Element Analysis for Traffic-Induced Vibration of a Two-Girder Steel Bridge with Elastomeric Bearings
Abstract:A three-dimensional traffic-induced dynamic response analysis of a twospan continuous two-girder steel highway bridge seated on elastomeric bearings was used to investigate the dynamic responses of lo...A three-dimensional traffic-induced dynamic response analysis of a twospan continuous two-girder steel highway bridge seated on elastomeric bearings was used to investigate the dynamic responses of local bridge members such as decks and web plates. The validity of the numerical procedure was verified by comparison of the data obtained by the procedure with data obtained in a field test. A bump that develops between the rigid surface of the approaching part of the bridge and the elastic deformation of the elastomeric supports at the instant that a vehicle enters the bridge induces an impulsive energy on the vehicle. Consequently, it affects the dynamic response of the bridge. This investigation shows that the lower torsional rigidity of two-girder bridges compared with that of conventional multigirder bridges renders the bridge susceptible to vibration because vehicles run on the cantilever part of the bridge deck. In addition, this analysis demonstrates that the out-of-plane dynamic response of the web pl...Read More
Publication Year: 2005
Publication Date: 2005-01-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 7
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