A GROUPED MAXIMAL CONDITIONED SPECTRAL ORDINATE METHOD (MCSO) FOR GROUND MOTION SELECTION

Abstract eng:
This article intends to present a computationally simple ground motion selection method (MCSO) whose spectral accelerations are matched at specified period in the desired uniform hazard spectrum (UHS). The deficiencies of the Conditional Mean Spectrum and Conditional Spectrum (CS) approaches are monitored. MCSO benefits from the advantages of consistency with the predefined target Magnitude-Distance. It comes up with positive epsilons, scaling factors close to one, larger magnitudes than those of the two mentioned methods, and associated with the actual earthquake variability. The seismic demands of the three reinforced concrete structures are calculated and compared with those of MCSO, POC, CMS, and CS.

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