Shaking Table Test on Seismic Response of Isolated Bridge

Xiao Yu Yan; Li Hui Wang; Xiu Li Du

doi:10.4028/www.scientific.net/AMM.275-277.1034

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 275-277Shaking Table Test on Seismic Response of Isolated...

Shaking Table Test on Seismic Response of Isolated Bridge

Abstract:

In order to investigate isolation effectiveness on seismic performance of the continuous rigid frame bridge, shaking table test with nine sub-tables on 1/10 scaled reinforced concrete rigid frame bridge specimen was performed. The experimental results demonstrate that isolation devices provide flexibility to transform natural period of the scaled model, and additional it can improve the ability of energy dissipation when lead is used. The initial first frequency is 8.17Hz for plate-type rubber bearing and 9.12Hz for leading rubber bearing. The plate rubber bearing and lead-rubber bearing are quite sensitive to seismic wave frequency. The use of various isolation devices affects response of the bridge model. The results show that the more difference in the isolation devices, the more difference in response. Moreover, isolation effect of lead-rubber bearing show obviously more advantage than the one of plate-type rubber bearing, especially in controlling responses of the bridge during major earthquakes.

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Periodical:

Applied Mechanics and Materials (Volumes 275-277)

Pages:

1034-1039

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.275-277.1034

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Online since:

January 2013

Authors:

Xiao Yu Yan, Li Hui Wang, Xiu Li Du

Keywords:

Isolated Effect, Lead Rubber Bearing, Rubber Bearing, Seismic Response, Shaking Table Test

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