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نهمین کنگره بین المللی مهندسی عمران
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • evaluation of reduction factor of precast concrete moment resisting frames and dual systems with precast connections

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    • تاریخ ارائه: 1390/11/15
    • تاریخ انتشار در تی پی بین: 1390/11/15
    • تعداد بازدید: 630
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     reduction factor is an important factor in linear analysis that indicates inelastic operations of structures such as resistance and ductility in nonlinear stage. in seismic codes, this coefficient is just written with a constant value. despite of many researches on this factor in monolithic constructions, complete research on this field in precast structures has not already been done. this is one of the reasons that make the necessity of research in this case indispensable. in this paper, different types of precast concrete moment resisting frames in 4, 6, and 8 stories, that each storey has 3 meters height, with 3 bays in length of 5 meters, accompany them 3 different popular connections related to beam to column precast connection, horizontal panel joint and vertical panel joint in precast industry, are studied. nonlinear static analysis (pushover) in triangular form has been used in this study. besides perform 3d software is used for modeling and analysis. results indicate while precast concrete moment frames with semi rigid connections have smaller reduction factor than monolithic moment frames, precast dual systems could have equal or more values than equivalent monolithic dual systems.

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