The Effect of Stiffness Degradation on the Three-Dimensional Seismic Response of Highway Bridges

by M. Saiid Saiidi, Univ of Nevada, United States,
George Ghusn, Univ of Nevada, United States,



Document Type: Proceeding Paper

Part of: Seismic Engineering: Research and Practice

Abstract:

This paper describes the effect of modeling of the inelastic pier behavior on the seismic response of three reinforced concrete bridges. Each bridge was analyzed twice once using a yield surface elasto-plastic pier element and once using a degrading five-spring hysteretic element (5-SE). It is shown that bridge response is sensitive to the hysteresis model, and that no consistent trend can be identified in terms of the correlation between response from the two models.



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