A highly adjustable base isolator utilizing magnetorheological elastomer: Experimental testing and modeling

Publication Type:
Journal Article
Journal of Vibration and Acoustics, Transactions of the ASME, 2015, 137 (1)
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Copyright © 2015 by ASME. This paper presents a recent research advance on the development of a novel adaptive seismic isolation system to be used in seismic protection of civil structures. A highly adjustable laminated magnetorheological elastomer (MRE) base isolator was developed and experimental results show that the prototypical MRE base isolator provides increase in lateral stiffness up to 1630%. To facilitate the structural control development using such adaptive MRE base isolator, an analytical model was developed to simulate its behaviors. Comparison between the analytical model and experimental data proves the effectiveness of such model in reproducing the behavior of MRE base isolator.
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