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Structural Engineering and Mechanics Volume 14, Number 1, July 2002 , pages 85-98 DOI: https://doi.org/10.12989/sem.2002.14.1.085 |
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Parametric study for buildings with combined displacement-dependent and velocity-dependent energy dissipation |
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Pong WS, Tsai CS, Chen CS, Chen KC
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| Abstract | ||
| The use of supplemental damping to dissipate seismic energy is one of the most economical and effective ways to mitigate the effects of earthquakes on structures. Both displacement-dependent and velocity-dependent devices dissipate earthquake-induced energy effectively. Combining displacement-dependent and velocity-dependent devices for seismic mitigation of structures minimizes the shortcomings of individual dampers, and is the most economical solution for seismic mitigation. However, there are few publications related to the optimum distributions of combined devices in a multiple-bay frame building. In this paper. the effectiveness of a building consisting of multiple bags equipped with combined displacement-dependent and velocity-dependent devices is investigated. A four-story building with six bays was selected as an example to examine the efficiency of the proposed combination methods. The parametric study shows that appropriate arrangements of different kinds of devices make the devices more efficient and economical. | ||
| Key Words | ||
| velocity-dependent devices, displacement-dependent devices, energy dissipation devices, supplemental damping | ||
| Address | ||
| Pong WS, San Francisco State Univ, Sch Engn, Dept Civil Engn, 1600 Holloway Ave, San Francisco, CA 94132 USA San Francisco State Univ, Sch Engn, Dept Civil Engn, San Francisco, CA 94132 USA Feng Chia Univ, Dept Civil Engn, Taichung 40724, Taiwan | ||