Simulation of acceleration time histories close to large earthquakes

David J. Wald*, L. J. Burdick, Paul G. Somerville

*Corresponding author for this work

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A procedure for the simulation of near-field ground motions due to extended fault ruptures has been developed and validated using strong motion recordings of several events. Accelerograms are generated by summing the contributions of subfault elements in such a way as to simulate a large slip over an extended rupture surface. While gross aspects of the source rupture process are treated deterministically using a kinematic model, stochastic aspects are included to simulate the irregularity in rupture velocity and slip velocity. Gross aspects of wave propagation are modeled by theoretical Green's functions calculated using generalized rays. Simulated time histories and response spectra at stations close to the fault agree well with the recorded motions.

Original languageEnglish
Pages (from-to)430-444
Number of pages15
JournalGeotechnical Special Publication
Issue numbern
Publication statusPublished - 1988
Externally publishedYes

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