Abstract

Because the seismic wave motions near a fault are quite complex in time and space by showing the vortexes of waves, it may be considered to be appropriate that a response analysis of long structures is performed on the basis of three dimensional model of them. In this paper a three dimensional nonlinear response analysis of viaduct crossing a strike slip fault is performed, and its results are compared with those of the two dimensional model. The input seismic wave motions are simulated by a stiffness matrices based formulation of seismic waves in stratified media with an extended seismic source.

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