Dynamic Performance Analysis of a Smart Base Isolation System Based on Magnetorheological Elastomers

Zhi Qiao; Jian Guo Ding

doi:10.4028/www.scientific.net/AMM.397-400.422

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 397-400Dynamic Performance Analysis of a Smart Base...

Dynamic Performance Analysis of a Smart Base Isolation System Based on Magnetorheological Elastomers

Abstract:

In this paper, we studied a smart base isolation system based on magnetorheological elastomers (MRE), which is a new class of smart materials whose elastic modulus or stiffness can be adjusted by changing the magnitude of the applied magnetic field. The main goals of this study are to demonstrate the use of MREs as field-dependent element in a smart base isolation system and investigate the dynamic performance of the smart base isolation system in mitigating excessive vibrations of the building structure under dynamic loadings. To this end, we designed some MRE samples working in compressive mode and measured their properties under various magnetic fields in which the elastic modulus varied by up to 250%.Compared with the structure installing traditional base isolation system, the dynamic performance of the structure installing smart base isolation system is much better under the dynamic loadings.

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Periodical:

Applied Mechanics and Materials (Volumes 397-400)

Pages:

422-426

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.397-400.422

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Online since:

September 2013

Authors:

Zhi Qiao, Jian Guo Ding

Keywords:

Dynamic Performance, Mitigating Excessive Vibrations, MRE, Numerical Simulation, Smart Base Isolation System

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