Energy dissipation systems can effectively reduce the seismic demands of structures and protect them from damage. However, the effectiveness of the systems is not entirely independent from the dynamic characteristics of ground motions and may be challenged by long-period velocity pulses in near-fault ground motions. The major focus of this study is to clarify the impact of the characteristics of near-fault ground motions on the effectiveness of energy dissipation systems, particularly, structures equipped with viscous dampers. A series of response-history analyses are conducted using single degree-of-systems (SDOF) with periods varying between 0.2 and 5 seconds and damping ratios between 5% and 50% and subjected to fault-normal components of 91 sets of near-fault ground motions identified in a literature prepared by Prof. Jack Baker in 2007. The effectiveness of damping in reducing seismic demands of SDOF systems subjected to near-fault motions are discussed and a model are proposed to describe their relationship.
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ASME 2016 Pressure Vessels and Piping Conference
July 17–21, 2016
Vancouver, British Columbia, Canada
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5046-6
PROCEEDINGS PAPER
Impact of Near-Fault Ground Motions on the Efficiency of Viscous-Damping Systems Available to Purchase
Yin-Nan Huang,
Yin-Nan Huang
National Taiwan University, Taipei, Taiwan
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Chia-Ren Liu
Chia-Ren Liu
National Taiwan University, Taipei, Taiwan
Search for other works by this author on:
Yin-Nan Huang
National Taiwan University, Taipei, Taiwan
Chia-Ren Liu
National Taiwan University, Taipei, Taiwan
Paper No:
PVP2016-63868, V008T08A041; 9 pages
Published Online:
December 1, 2016
Citation
Huang, Y, & Liu, C. "Impact of Near-Fault Ground Motions on the Efficiency of Viscous-Damping Systems." Proceedings of the ASME 2016 Pressure Vessels and Piping Conference. Volume 8: Seismic Engineering. Vancouver, British Columbia, Canada. July 17–21, 2016. V008T08A041. ASME. https://doi.org/10.1115/PVP2016-63868
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