Site-Specific Uniform Hazard Spectrum for Seismic PRA of Korean Nuclear Power Plants

Abstract eng:
A site-specific median spectrum has generally been used for the seismic fragility analysis of structures and equipment in Korean nuclear power plants. The site-specific response spectrum, however, does not represent the same probability of an exceedance over an entire frequency range of interest. A uniform hazard spectrum is more appropriate for use in a seismic probabilistic risk assessment than a site-specific spectrum. In this study, the uniform hazard spectra were developed using available seismic hazard data for Korean NPP sites. s

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