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Improving Seismic Performance of Concrete Buildings with Special Moment Frames Using Viscous Damper

Journal: International Journal of Engineering Research (IJER) (Vol.4, No. 7)

Publication Date:

Authors : ; ;

Page : 339-345

Keywords : Viscous Damper; Special Moment Frame; Concrete Buildings;

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The present study attempted to investigate the effect of viscous damper on the performance of 10 and 16-story structures. Data modeling was done based on PERFORM 3D software and energy absorption amount was examined in different modes through viscous dampers. To investigate the effects of the so called dampers on the seismic behavior of the structures, the performance of special moment frames with and without viscous damper with the 20% to 30% Resistance against earthquake damages was considered. Also, hysteresis diagram was studied. The research findings revealed an appropriate effect of viscous dampers on decreasing seismic effects of earthquake such that the structure with damper showed significant energy Dissipation comparing to the structure without damper and the damper with higher damping force plays a more effective role in increasing energy dissipation. Therefore, viscous dampers with higher damping percentage (30%) have a good capability to retrofit structures.

Last modified: 2015-07-02 23:12:43