Northridge 1D rock/soil Simulation (36 sites) Loma Prieta 1D east/west SAF Simulation (56 sites)

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Presentation transcript:

Northridge 1D rock/soil Simulation (36 sites) Loma Prieta 1D east/west SAF Simulation (56 sites)

Deterministic Methodology (f < 1 Hz)Stochastic Methodology (f > 1 Hz) BROADBAND SIMULATION METHODOLOGY: A HYBRID DETERMINISTIC AND STOCHASTIC APPROACH Combine using matched filters (1 Hz) and summing in time domain

TpTp TrTr A h Source Rupture Model - slip distribution - rupture time- slip velocity function

Site Amplification Factors (Borcherdt, 1994) Applied in Fourier domain, although strictly defined for response spectra. FvFv FaFa

Model Bias and Standard Error: Response Spectra Residuals vs. distance / site type Global goodness-of-fit (38 sites, avg. horizontal) Average horizontal without site factors