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International Journal of Nonlinear Analysis and Applications، جلد ۱۵، شماره ۱، صفحات ۶۱-۷۴
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عنوان انگلیسی Nonlinear dynamic analysis and the impact of viscous damper on implemented vibration control applied to seismic vibrations
چکیده انگلیسی مقاله In the present paper, the impacts of viscous dampers on controlling the vibrations imposed on seismic vibrations are evaluated using descriptive methods. To this end, the library method and other research related to viscous dampers and their impacts on controlling external excitation such as earthquakes have been used. ETABS software was used for modelling the structures. Also, nonlinear dynamic analysis was used for seismic analysis of the structures. Based on the findings, using viscous dampers are effective to improve seismic parameters of structure and to decrease displacement, speed, base shear, and velocity. On the other hand, viscous fluid dampers can strengthen the structure and its performance during severe earthquakes and can be applied in newly constructed structures. The impact of a passive viscous damper on reducing the seismic response of the structures is found significant at the confidence level of 90%. Reduction of energy of structure hysteresis because of the nonlinear behaviour of members using dampers is proved to be significant at the confidence level of 80%. The results reveal that the lateral resistance of an EBF with a short joint can be 4/5 to 9 times more than the lateral resistance of an MRF, that the behaviour coefficient of fifteen-story EBF considered 6/5-7/75, concluded that the length of the bray does not have an impact on the behaviour coefficient of these frames.
کلیدواژه‌های انگلیسی مقاله Damper, viscous damper, Seismic vibrations, vibrations, nonlinear dynamic analysis
نویسندگان مقاله Mohammad Reza Arefi |
Department of Civil Engineering, Technical and Vocational University (TVU), Tehran, Iran

نشانی اینترنتی https://ijnaa.semnan.ac.ir/article_7507_afd03c52566f45d98ee3341a265f0385.pdf
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