Performance Evaluation of Short Span Reinforced Concrete Arch Bridges
Publication: Journal of Bridge Engineering
Volume 9, Issue 5
Abstract
In this paper, the static and seismic performance of some short span reinforced concrete arch bridges, before and after strengthening interventions, are evaluated. To verify whether retrofit strategies for the considered arch bridges, which were designed for resisting under permanent and service actions, were adequate for earthquake resistance, seismic analyses of the as-built model of the structures have been undertaken. To account for multiple input effects on arches, induced by out-of-phase motions at foundation levels as well as different boundary conditions at structural supports, the seismic response of the structures under correlated horizontal and vertical multiple excitations is calculated. The effects on arch bridges of conventionally used uniform input and partially correlated multiple inputs with phase shifts are compared. In all cases, the results are discussed with particular reference to the influence of structural configuration, secondary systems, cross-section thickness of the arch, and retrofit interventions.
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Information & Authors
Information
Published In
Journal of Bridge Engineering
Volume 9 • Issue 5 • September 2004
Pages: 424 - 434
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: Aug 6, 2002
Accepted: Dec 23, 2003
Published online: Aug 16, 2004
Published in print: Sep 2004
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