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Stochastic Simulation Of Multiple-Station Ground Motions And Its Applications, Taojun Liu
Stochastic Simulation Of Multiple-Station Ground Motions And Its Applications, Taojun Liu
Electronic Thesis and Dissertation Repository
Approaches to simulate single- and multiple-component multiple-station ground motion records with target spatial coherency and spatial correlation structures are developed for scenario events in this study. To develop the approaches, spatial correlation of the Fourier amplitude spectrum for a random orientation and for two orthogonal directions is assessed, and empirical equations are suggested. Moreover, spatial coherency of ground motions for two orthogonal horizontal directions is estimated using actual records from seven seismic events. Empirical coherency function is suggested for the components of records in two orthogonal horizontal directions at single and multiple recording stations. It was also found that the …