Seismic Response Reduction of the Hybrid Seismic Isolation System Based on the SMA Rubber Bearing Combined with Magneto Rheological Damper

Hai Qing Liu; Yao Feng Yan

doi:10.4028/www.scientific.net/AMR.374-377.2543

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The Damage Identification of Bridges Based on Structural Deflection and Wavelet Transform
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 374-377Seismic Response Reduction of the Hybrid Seismic...

Seismic Response Reduction of the Hybrid Seismic Isolation System Based on the SMA Rubber Bearing Combined with Magneto Rheological Damper

Abstract:

The hybrid seismic isolation system , consisting of the SMA strands-laminate rubber bearing combined with magneto rheological damper ,was explored, for the sake of improving seismic isolation efect of the SMA strands-laminate rubber bearing under great earthquake ，especially when level shear deformation of SMA rubber bearing is bigger(D>0.55d) ．So does its mechanical model. In this paper，we compare the SMA strands-laminate rubber bearing with the hybrid seismic isolation system. Simulation analysis results indicate that the hybrid seismic isolation system is able to achieve both low interstory drift and acceleration and,at the same lime，limit the base displacement．The security of isolated structure was improved largely.

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Periodical:

Advanced Materials Research (Volumes 374-377)

Pages:

2543-2547

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.374-377.2543

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Online since:

October 2011

Authors:

Hai Qing Liu, Yao Feng Yan

Keywords:

Hybrid Seismic Isolation System, Magneto-Rheological (MR) Damper, SMA Strands-Laminate Rubber Bearing

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