NDLI: Development of magnetorheological elastomers–based tuned mass damper for building protection from seismic events

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Development of magnetorheological elastomers–based tuned mass damper for building protection from seismic events

Content Provider	Semantic Scholar
Author	Sun, Shuaishuai Yang, Jian Du, Haiping Zhang, Shiwu Yan, Tianhong Nakano, Masami Li, Weihua
Copyright Year	2018
Abstract	This study investigated and evaluated a semi-active tuned mass damper which incorporated four multi-layered structures fabricated using magnetorheological elastomers. The four magnetorheological elastomer structures formed a square and provided the tuned mass damper variable stiffness used to track the excitation frequencies. This design not only increases the stability of the tuned mass damper but more importantly eliminates the magnetic circuit gap in a design which we used in the past because all four of the magnetic circuits used to control the magnetorheological elastomer isolators are closed circuits. In order to verify the capability of the magnetorheological elastomer–based tuned mass damper to protect a building from earthquake, extensive simulation and experimental testing were conducted. The swept sinusoidal signal and the scaled 1940 El Centro earthquake record were used to excite a scaled three-story building. Both simulation and experiment have verified that the magnetorheological elastomer–based tuned mass damper outperformed all other passive tuned mass dampers under either swept sinusoidal or seismic conditions.
Starting Page	1777
Ending Page	1789
Page Count	13
File Format	PDF HTM / HTML
DOI	10.1177/1045389X17754265
Volume Number	29
Alternate Webpage(s)	http://ro.uow.edu.au/cgi/viewcontent.cgi?article=2241&context=eispapers1
Alternate Webpage(s)	https://ro.uow.edu.au/cgi/viewcontent.cgi?article=2241&context=eispapers1
Alternate Webpage(s)	https://doi.org/10.1177/1045389X17754265
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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