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Stochastic Characterization of Ground Motion and Applications to Structural Response

Papadimitriou, Kotas and Beck, James L. (1992) Stochastic Characterization of Ground Motion and Applications to Structural Response. In: Proceedings of the Tenth World Conference on Earthquake Engineering : 19-24 July 1992, Madrid, Spain / organized by Asociación Española de Ingeniería Sísmica ; sponsored by International Association for Earthquake Engineering. Vol.2. Balkema , Rotterdam, Netherlands, pp. 835-838. ISBN 9054100605 http://resolver.caltech.edu/CaltechAUTHORS:20120926-110633938

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Abstract

A parsimonious stochastic seismic ground-motion model is proposed for use in both ground-motion prediction studies and structural response studies. The model captures with at most nine parameters the features of the ground motion which are important for computing dynamic response, including the amplitude and frequency-content nonstationarities of the earthquake. Furthermore, the model can be efficiently used in both simulated and analytical random vibration response studies. An approximate analytical random vibration method is developed to provide insight into the effect of the temporal nonstationarity in both the amplitude and frequency content of ground motion on the response of simple structural models. It is found that the frequency content nonstationarity may significantly affect the response of both linear and softening non-linear structural models.


Item Type:Book Section
Additional Information:© 1992 Balkema, Rotterdam
Record Number:CaltechAUTHORS:20120926-110633938
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120926-110633938
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:34448
Collection:CaltechAUTHORS
Deposited By: Carmen Nemer-Sirois
Deposited On:12 Oct 2012 21:56
Last Modified:12 Oct 2012 21:56

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