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Evaluating Effects of Viscous Dampers on optimizing Seismic Behavior of Structures

Author : V. Sadeghi Balkanlou, M. Reza Bagerzadeh Karimi , B. Bagheri Azar and Alaeddin Behravesh

Pages : 1150-1157
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In the present paper, dampers position and optimizing their position at the height of the structure are studied. it investigates about viscous damper systems and their effects on seismic behavior of multistory structures and determines effects of damper system position on structure height using uniform distribution and SSSA methods. In this research, three 4, 8, 12storey steel structure frames were selected as the understudy models. The models were designed and analyzed based on available Codes to represent a sample of available structures. To evaluate effects of specific features of damper system, two 15% and 25% target values were considered for effective damping ratio of the damper system such that the results serve as representative of appropriate spectrum of conventional features of damper system. Following time history analyses on the models created under three earthquake records which were scaled according to spectrum design of Iran 2800 Code-3rd Ed., maximum response of relative displacement of stories was calculated for every position of the obtained damper.

Keywords: Viscous damper, Time history analysis, Seismic behavior, ETABS, SSSA method

Article published in International Journal of Current  Engineering  and Technology, Vol.3,No.4(Oct- 2013)



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