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Seismic response analysis for soft clay
Seed, Raymond B.; Dickenson, Stephen E.; Mok, C. M.
Sacramento, Calif. : Caltrans, Department of Transportation, Division of Structures, Proceedings of the First Annual Seismic Research Workshop, Sacramento, California, December 3-4, 1991., 1991-12, PDF
This paper provides a very brief overview of some of the principal findings of ongoing studies concerning seismic response of soft and deep soil sites. Both simplified equivalent linear response analyses, and fully nonlinear response analyses, have been applied to the back-analysis of recorded strong motion records from the 1989 Loma Prieta Earthquake. The "predictive" capability of both types of analysis has been shown to be excellent, but only when coupled with thorough characterization of soil behavior and parameter evaluation. As a second phase of these studies, additional analyses have performed at higher (and more typical "design") levels of shaking, and some of the important findings are noted.
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