Influence of Soil-Pile Interaction on Seismic Mitigation Effectiveness with FPB for Curved Girder Bridge

Xing Jun Qi; Shu Gang Chen

doi:10.4028/www.scientific.net/AMR.368-373.971

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 368-373Influence of Soil-Pile Interaction on Seismic...

Influence of Soil-Pile Interaction on Seismic Mitigation Effectiveness with FPB for Curved Girder Bridge

Abstract:

The seismic response of curved girder bridge is more complex because of its irregular plane shape. Friction pendulum bearing (FPB) has a positive effect on structural seismic response. The seismic response mitigation effectiveness of FPB to curved girder bridge with soil-pile interaction considered is needed to research. The three-dimensional calculation model of a curved continuous girder bridge is established, and FPB are added at the positions of sliding bearings with soil-pile interaction. The influence of soil-pile interaction on seismic response mitigation effectiveness of FPB is computed and analyzed under three-dimensional ground motion action. The results show that the seismic response mitigation effectiveness of FPB is quite obvious with or without soil-pile interaction considered. Furthermore, seismic response mitigation effectiveness of FPB increases for the internal force of piers after soil-pile interaction considered. FPB has great and positive mitigation effectiveness on the seismic longitudinal displacement of the main girder of curved girder bridge, but with soil-pile interaction considered the mitigation effectiveness decreases a bit.

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Periodical:

Advanced Materials Research (Volumes 368-373)

Pages:

971-974

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.368-373.971

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Online since:

October 2011

Authors:

Xing Jun Qi, Shu Gang Chen

Keywords:

Curved Continuous Girder Bridge, Friction Pendulum Bearing (FPB), Seismic Response Mitigation Effectiveness, Soil-Pile Interaction

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References

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