Failure Mechanism of Reinforced Concrete Rib Arch Bridge under Near-Fault Earthquakes

Wen Jun Gao; Guang Wu Tang; Yi Da Kong

doi:10.4028/www.scientific.net/AMM.90-93.940

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 90-93Failure Mechanism of Reinforced Concrete Rib Arch...

Failure Mechanism of Reinforced Concrete Rib Arch Bridge under Near-Fault Earthquakes

Abstract:

A typical reinforced concrete rib arch bridge was chosen to investigate its nonlinear response to near-fault ground motions recorded in 2008 Wenchuan earthquake. Results showed that significant seismic damage may occur, maximum demands were higher for near-fault records having forward directive than far-fault motions, and the rotational capacity of rib plastic hinge is not enough for the large compression force of arch rib. While backward-directivity motions, typically do not exhibit pulse-type motions, only have medium seismic damage to the arch bridge.

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Periodical:

Applied Mechanics and Materials (Volumes 90-93)

Pages:

940-945

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.90-93.940

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Online since:

September 2011

Authors:

Wen Jun Gao, Guang Wu Tang, Yi Da Kong

Keywords:

Arch Bridge, Dynamic Response, Failure Mechanism, Near-Fault Earthquake

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References

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