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Structural Engineering and Mechanics Volume 3, Number 6, November 1995 , pages 569-581 DOI: https://doi.org/10.12989/sem.1995.3.6.569 |
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Seismic study of buildings with viscoelastic dampers |
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Pong WS, Tsai CS
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| Abstract | ||
| In this paper, the seismic behavior of a 10-story building equipped with viscoelastic dampers is analyzed. The effects of ambient temperature, the thickness, the total area, and the position of the viscoelastic dampers are studied. Results indicate that the energy-absorbing capacity of viscoelastic damper decreases with increasing the ambient temperature. The thickness and the total area of viscoelastic dampers also affect the seismic mitigation capacity. The thickness cannot be too small, which is not effective in vibration reduction, nor can it be too large, which not only increases the cost but also reduces the seismic resistance. The total area of viscoelastic dampers should be determined properly for optimum damper performance at the most economical design. The mounting position of viscoelastic dampers also influences the structure\'s seismic performance. Numerical results show that, if properly equipped, the VE dampers can reduce the structural response both floor displacement and story shear force and increase the overall level of damping in structures during earthquakes. | ||
| Key Words | ||
| energy-absorbing device, viscoelastic damper, earthquake engineering, seismic mitigation, energy dissipation, structural dynamics, time-history analysis | ||
| Address | ||
| Pong WS, SUNY BUFFALO,DEPT CIVIL ENGN,BUFFALO,NY 14260 | ||