• broad-band near-fault strong motion time histories simulations – surface faulting and rupture directivity effects

    نویسندگان :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1389/02/14
    • تاریخ انتشار در تی پی بین: 1389/02/14
    • تعداد بازدید: 597
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     unique to the near-source large earthquake is the occurrence of strong impulsive long-period ground motion and surface faulting. the well-recorded time history event of the 1999 chi-chi earthquake has confirmed the existence of permanent displacements, referred to as ‘fling-step’, coupled with rupture directivity motions. the objective of this study is to characterize forward directivity and fling effects as a function of limited number of model input parameters for synthesizing broad-band time histories. the results show that the overall agreement between developed analytical methodology, and the recorded waveforms as well as the available empirically based predictive relationships is quite satisfying.

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