Study on Seismic Failure Mode of a Rigid Frame Bridge with Super High-Rise Piers

Zhen Hua Fan; Xie Dong Zhang; Hang Zhang

doi:10.4028/www.scientific.net/AMM.256-259.1458

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 256-259Study on Seismic Failure Mode of a Rigid Frame...

Study on Seismic Failure Mode of a Rigid Frame Bridge with Super High-Rise Piers

Abstract:

Recently rigid-frame bridges have been built for only twenty years in China and they have been used as the preferred bridge type in complicated terrain mountainous areas. Based on the fiber model in Opensees, the typical nonlinear numerical analysis model of a rigid frame bridge with super high-rise piers is presented. IDA method is adopted for the nonlinear dynamic history analysis for the structure. The failure mode and the characteristic of plastic development are investigated under longitudinal seismic actions. The results show that multiple key sections of the piers enter the plastic state simultaneously and the structure will become dynamic instable inevitably.

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Periodical:

Applied Mechanics and Materials (Volumes 256-259)

Pages:

1458-1461

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.256-259.1458

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Online since:

December 2012

Authors:

Zhen Hua Fan, Xie Dong Zhang, Hang Zhang

Keywords:

Failure Mode, OpenSEES, Seismic, Super High-Rise Pier

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