Surface Motion Due to Stochastic Plane Sources in a Layered Medium

by Y. Yong, Florida Atlantic Univ, Boca Raton, United States,
J. Yu, Florida Atlantic Univ, Boca Raton, United States,



Document Type: Proceeding Paper

Part of: Probabilistic Mechanics and Structural and Geotechnical Reliability

Abstract:

To simulate the ground motion in the near field, a seismic fault is modeled as a two-strip plane. The width of each strip is so thin that the rupture process of the strip can be described by a series of point sources in the length direction. It is assumed that with the Poisson's arriving rate, the point sources distributed on the fault plan rupture in consecutive order along the length direction and random order in the width direction. The cross-correlation function of the near-field ground motion with respect to spatial locations and time instants is derived.

Subject Headings: Ground motion | Stochastic processes | Seismic tests | Seismic effects | Layered soils | Surface fault rupture | Structural dynamics

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