Author(s)

Haibo Wang & Akihiko Nisimura

Abstract

Seismic records in down-hole array provide very useful information on actual ground behaviors over a wide range of load conditions, especially for strong seismic motions near seismic fault. These records may be used to identify the characteristics of wave propagation in vertical direction or to verify the numerical procedure employed to the prediction of seismic motion of ground. Although it has been proved effective for even moderate level of motion, this kind of verification is found to be very difficult for strong records near seismic fault. Upon analyses of seismic records in Hyogoken-Nanbu Earthquake, it was recognized that the existence of surface w

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