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Experimental Investigation on Seismic Mitigation of Motion Sensitive Equipment Using Multiple Direction Optimized-Friction Pendulum System With Multiple Sliding Interfaces

[+] Author Affiliations
C. S. Tsai, H. C. Su, Y. M. Wang

Feng Chia University, Taichung, Taiwan

Paper No. PVP2012-78531, pp. 7-15; 9 pages
  • ASME 2012 Pressure Vessels and Piping Conference
  • Volume 8: Seismic Engineering
  • Toronto, Ontario, Canada, July 15–19, 2012
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5507-2
  • Copyright © 2012 by ASME


Presented in this paper is aimed at experimental evaluation of the efficiencies of the multiple direction-optimized friction pendulum system (MDO-FPS) with multiple sliding interfaces in mitigating the seismic responses of motion sensitive equipment through a series of shaking table tests. Experimental tests of motion sensitive equipment isolated with MDO-FPS isolators and subjected to various types of earthquakes were carried out to investigate the efficiency of the MDO-FPS isolator in reducing the response of equipment during earthquakes. Shaking table test results indicate that the acceleration response of the equipment has been remarkably reduced while compared to that of fixed-base equipment.

Copyright © 2012 by ASME
Topics: Friction , Pendulums



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