• convex set theory-based seismic hazard analysis of low seismicity area

    کلمات کلیدی :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1233
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     historical seismic data and seismogenic information are quite scarce for the low seismicity region, and modeling the parameters uncertainties based on probabilistic model is suspicious. the convex set theory-based seismic hazard analysis approach is proposed. the uncertainties of b value, the annual occurrence rate v and the upper bound magnitude mu are described by the envelop bound convex model and the ellipsoidal bound convex model. convex analysis method and china probabilistic seismic hazard analysis methodology are combined to perform a bound seismic hazard analysis for ningbo city, china. the seismic intensity interval obtained using the bound seismic hazard analysis is compared with that calculated using china probabilistic seismic hazard analysis methodology. the sensitivity analysis indicates that the interval of seismic intensity is most sensitive to the annual occurrence rate v. furthermore, the different convex models have little effect on the interval of seismic intensity.

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