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Effects of the Recorded Earthquake Data on the Seismic Fragilities of Korean Nuclear Power Plant Structures  

Joe, Yang-Hee (시립인천대학교 토목환경시스템공학과)
Cho, Sung-Gook (시립인천대학교 토목환경시스템공학과)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.16, no.3, 2003 , pp. 321-331 More about this Journal
Abstract
Seismic fragility analysis (SFA) has been utilized to evaluate the actual seismic capacity of structure and equipment in nuclear power plants (NPP). This paper briefly introduces an improved method for evaluating seismic fragilities of components of NPP's in Korea. Engineering characteristics of small magnitude earthquake spectra recorded in the Korean peninsula during the last several years are also discussed in this paper. Some significant differences between the Newmark's spectra and the recorded spectra as a site-dependent spectra are assessed. Several comparative SFA's have been performed to evaluate the effects of the recorded earthquakes on the seismic capacities of Korean NPP structures. The results showed that SFA using the Newmark's spectra might over estimate the actual seismic capacities of Korean facilities.
Keywords
seismic fragility analysis; recorded earthquake; seismic capacity; probability of failure;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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