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Journal of Rehabilitation in Civil Engineerin، جلد ۲، شماره ۲، صفحات ۴۰-۴۵
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عنوان انگلیسی The Study of EADAS Elliptical Steel Damper Function in Seismic Resisting of Steel Frames
چکیده انگلیسی مقاله The present article seek to investigate the function of elliptical steel damper function in steel frames seismic resisting. The elliptical damper is a kind of earthquake energy dissipater in structure which acts based on the steel yielding feature. Thus, this damper in frame lateral displacement mechanism is expected to have a satisfying hysteretic behavior in terms of energy absorption is on acceptable level. To study the EADAS (elliptical added damping and stiffness) elliptical damper function Abaqus software was used in seismic resisting of steel frames. To do the analysis one span- one floor which was modeled with eight kinds of suggested damper was used. The basis of the analysis method is based on the finite element method and a cyclic loading curve was used and the frame will be pushed to the failure of the dampers. The results of the present study indicates that through the addition of this damper with the damage focus in damper the structure elements remain in elastic zone and without any damage bear the lateral load. The damper causes an increase in ductility and the frame energy absorption hysteretic and it can be used for seismic resisting of steel frames.
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نویسندگان مقاله مهدی نجاری ورزنه | najari varzaneh
m.sc in structural engineering, department of civil engineering, faculty member and the instructor of raghebesfahani university

محمود حسینی |
associate professor of structural engineering institute, international institute of earthquake engineering and seismology, iiee, tehran

عباس اکبرپور |
assistant professor of structural engineering, department of structural engineering, azad tehran south branch university

نشانی اینترنتی http://civiljournal.semnan.ac.ir/article_207_f1c09a6e6830c23c051828ef64a23a0c.pdf
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