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نهمین کنگره بین المللی مهندسی عمران
جزئیات رویداد
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  • evaluation of steel moment-resisting connection with nonlinear replaceable link

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    • تاریخ ارائه: 1390/11/15
    • تاریخ انتشار در تی پی بین: 1390/11/15
    • تعداد بازدید: 659
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     moment resisting frames were believed to be ductile systems. this belief was put into question during the 1994 northridge earthquake. brittle fractures developed near the connection welds in many cases. as a result different schemes were developed to improve the connection performance. the improvements on connection configuration are mainly based on the connection reinforcement or the weakening of the beam section. these methods are intended to force the plastic hinge to form away from the column face and consequently increasing the connection ductility. in this study these goals are achieved by using replaceable link. to investigate the behaviour of connection with replaceable link nonlinear finite element models were developed for the beam-to-column using the commercial software ansys. analytical results from the current study indicate that the replaceable link provide sufficient strength and ductility. it seems that repair of the beam in replaceable links is easier than other methods.

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