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هشتمین کنگره بین المللی عمران شیراز
جزئیات رویداد
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  • moment-rotation behavior of bolted top-seat angle connections

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1197
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     bolted top and seat angle connections are mainly designed to sustain gravitational loads of simply supported steel beams. however, the inherent flexural resistance of top-seat angle connections may not be ignored when an accurate analysis of semi-rigid steel frames is desired. the goal of the current study is to find a new moment-rotation relation to estimate the behavior of connections of this type. semi-analytical equations are proposed for this purpose based on the data bank, which is created using finite element simulation. several refined 3d finite element models were created based on the previous experimental studies and their accuracy is examined through a comparison to test results from previous studies and other published numerical models. the presented new semi-analytical method covers some deficiencies of the previously proposed methods, and the accuracy of this approach is evaluated comparing its results with those of the other methods. the applicability of the presented method is evaluated, and it is shown that the model estimates the moment-rotation response of this type of connections.

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