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مجله تحقیقات فولاد ساختمانی
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • recent developments in plastic design analysis of steel moment frames

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    • تاریخ ارائه: 1394/01/01
    • تاریخ انتشار در تی پی بین: 1394/01/01
    • تعداد بازدید: 531
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     plastic design analysis (pda) is a recently developed, case specific procedure that aims at direct displacement based lateral design of steel moment frames. pda is a byproduct of the classical plastic analysis and design (pad) method of approach. while pad can only estimate the ultimate loading at failure, pda has been developed to address such important design issues as the p-delta effects, sequential hinging and lateral displacements at incipient collapse. this is achieved by, first relating the global stiffness of the sub frames of the structure to the most critical target drift and then providing as much capacity as demand imposed on the elements of the frame. such schemes embrace envelopes of several initial designs within which member sizes could be rearranged for any purpose while observing the prescribed performance conditions. in the interim, a practical method of forecasting the sequence of formation of the plastic hinges is introduced. pda, as introduced in this article, is based on several complimentary design concepts and novel formulae that have not appeared in the literature before.

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