In order to promote seismic resistance capability of structures and simplify the manufacturing processes of an isolator, a new base isolation system called the multiple trench friction pendulum system (MTFPS) is proposed. The investigations for the proposed isolator have been carried out to address its mechanical characteristics and to assess its performance in seismic mitigation through a series of shaking table tests in this study. The MTFPS isolator can provide different natural periods, displacement capacities and damping effects in any two independent directions. The natural period and damping effect for a MTFPS isolator change continually during earthquakes. Results from the shaking table tests on a scaled three-story structure isolated with MTFPS isolators illustrate that the proposed MTFPS isolator can isolate most earthquake induced energy and provide good protection for structures from earthquake damage. In addition, the mathematical formulations for the MTFPS isolator have also been derived to examine its characteristics.
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ASME 2008 Pressure Vessels and Piping Conference
July 27–31, 2008
Chicago, Illinois, USA
Conference Sponsors:
- Pressure Vessels and Piping
ISBN:
978-0-7918-4831-9
PROCEEDINGS PAPER
Applications of Multiple Trench Friction Pendulum System to Seismic Mitigation of Structures
C. S. Tsai,
C. S. Tsai
Feng Chia University, Taichung, Taiwan, R.O.C.
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Jeng-Wen Lin,
Jeng-Wen Lin
Feng Chia University, Taichung, Taiwan, R.O.C.
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Yung-Chang Lin,
Yung-Chang Lin
Feng Chia University, Taichung, Taiwan, R.O.C.
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Chia-Chi Chen
Chia-Chi Chen
Feng Chia University, Taichung, Taiwan, R.O.C.
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C. S. Tsai
Feng Chia University, Taichung, Taiwan, R.O.C.
Jeng-Wen Lin
Feng Chia University, Taichung, Taiwan, R.O.C.
Yung-Chang Lin
Feng Chia University, Taichung, Taiwan, R.O.C.
Chia-Chi Chen
Feng Chia University, Taichung, Taiwan, R.O.C.
Paper No:
PVP2008-61344, pp. 199-206; 8 pages
Published Online:
July 24, 2009
Citation
Tsai, CS, Lin, J, Lin, Y, & Chen, C. "Applications of Multiple Trench Friction Pendulum System to Seismic Mitigation of Structures." Proceedings of the ASME 2008 Pressure Vessels and Piping Conference. Volume 8: Seismic Engineering. Chicago, Illinois, USA. July 27–31, 2008. pp. 199-206. ASME. https://doi.org/10.1115/PVP2008-61344
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