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Proceedings Paper

Response reduction methods for base isolated buildings with collision to retaining walls
Author(s): Akiko Kishida; Nao Nishimura; Yuki Yamashita; Kenzo Taga; Hideo Fujitani; Yoichi Mukai
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Paper Abstract

This paper proposes a new damper that can change the damping force depending on the response displacement and response velocity. The proposed damper reduces the damage of seismic-isolated structures which undergo excessive deformation during huge earthquakes, without lowering the performance of the seismic-isolation system during medium to small magnitude earthquakes. We investigate the effects of using the proposed attenuator on the responses of a superstructure model to seismic motion that causes collision with retaining walls. An experiment using a shaking table is conducted, and the results from the test are compared with those from numerical analyses. The test results agree approximately with the numerical analysis results except for the absolute acceleration results in collision cases.

Paper Details

Date Published: 12 April 2017
PDF: 12 pages
Proc. SPIE 10168, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017, 1016810 (12 April 2017); doi: 10.1117/12.2256229
Show Author Affiliations
Akiko Kishida, Kobe Univ. (Japan)
Nao Nishimura, Kobe Univ. (Japan)
Yuki Yamashita, Kobe Univ. (Japan)
Kenzo Taga, Kobe Univ. (Japan)
Hideo Fujitani, Kobe Univ. (Japan)
Yoichi Mukai, Kobe Univ. (Japan)

Published in SPIE Proceedings Vol. 10168:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017
Jerome P. Lynch, Editor(s)

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