• analytical study on the important parameters effective of cyclic behavior of reduce beam section moment connections

    نویسندگان :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 704
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the recent earthquake have been shown steel moment frame (smf) with weld connections are so brittle. according to researches, the more damage were due to cracking of the weld between the beam flange and the column face and induced concentrated stresses in this area. a useful approach to reduce the stress concentration at the panel zone is using of reduce beam section (rbs). given the enormous impact of seismic behavior and ductility of the panel zone, rbs moves plastic hinge formation at appropriate distance from column face. in this study, two bolted moment connections and welded connections, in both ordinary smf and rbs, have been modeled and compared with each other during cyclic behavior by numerical method. this study show that the rbs connections are increased 25% and 30% the ductility of beam and panel zone on bolt moment connections and weld moment connections respectively.

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