• investigation on link-to-column connection in eccentrically braced frames by considering the welding effects

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/11/15
    • تاریخ انتشار در تی پی بین: 1390/11/15
    • تعداد بازدید: 531
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     eccentrically braced frames (ebfs) are expected to withstand significant inelastic deformations in the links when subjected to the forces resulting from the motions of earthquake. in this study, behavior of various examples of link-to-column connections is investigated using finite element analysis. parameters which are considered in the finite element models for investigation include connection details, length of links, welding modeling, various weld access holes, and loading protocol (constitute of revised and old cyclic loading protocol given in the 2005 and 2002 aisc seismic provisions, respectively). in order to show the validity of the analysis, results are compared with those obtained experimentally in the laboratory in america by okazaki et al. in 2009. finally, the results show that most of the connections are susceptible to failure at link flange near the weld before to achieve required plastic rotation capacity acknowledged in aisc-2005 provision.

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