• experimental evaluation of cyclic behavior of batten columns

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1394/01/01
    • تاریخ انتشار در تی پی بین: 1394/01/01
    • تعداد بازدید: 510
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     an experimental study was performed for batten columns subjected to combination of constant axial compression and reversed cyclic lateral loads to evaluate their cyclic response, available ductility and post failure behavior under seismic conditions. to determine and evaluate the available ductility of batten columns, the backbone curves have been developed using experimental hysteresis curves of columns. the effect of different parameters such as axial compression, distance between battens and distance between chords on the available ductility of batten columns have further been studied. the results reveal that the available ductility of batten columns is considerably low compared with solid web columns. the failure mode of batten columns is the combination of local and overall buckling of their bottom chords. the geometrical specifications of batten columns have no considerable and uniform effect on their available ductility. moreover, it is shown that the backbone curves of batten columns are basically different from solid web columns.

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