Performance-Based Design for a Tall-Pier Bridge Prototype in Massive Earthquakes
Publication: Journal of Performance of Constructed Facilities
Volume 27, Issue 5
Abstract
This study aims to determine a cost-effective design for mitigating the dynamic response of multispan tall-pier bridges subjected to longitudinal seismic excitation. Time history solutions are provided for a dynamic system of discrete and finite elements which models sliding friction, collision contact, and nonlinear behaviors. The approach involves conducting vulnerability tests on parametric models comprising various parameters for piers, bearings, and backfill soils. The bridge prototype as evolved combines the use of adapted rubber bearings and cemented backfill. It satisfied specified performance criteria without structural damage under six strong motions from the Kobe and Chi-Chi earthquakes. The margins of safety and serviceability were ensured by a statistical analysis considering the uncertainty of backfill and bearing properties.
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Information
Published In
Journal of Performance of Constructed Facilities
Volume 27 • Issue 5 • October 2013
Pages: 594 - 603
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Nov 15, 2011
Accepted: Apr 24, 2012
Published online: Apr 27, 2012
Published in print: Oct 1, 2013
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