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논문 기본 정보

자료유형
학술저널
저자정보
Baofeng Huang (School of Civil Engineering, Shanghai Normal University, Shanghai, China)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제7호
발행연도
2021.7
수록면
2,396 - 2,406 (11page)
DOI
https://doi.org/10.1016/j.net.2021.01.016

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초록· 키워드

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The Pacific Earthquake Engineering Research (PEER) Center has been developing a performance-basedearthquake engineering (PBEE) methodology, which is based on explicit determination of performance,e.g., monetary losses, in a probabilistic manner where uncertainties in earthquake ground motion,structural response, damage estimation, and losses are explicitly considered. To carry out the PEERPBEE procedure for a component of the nuclear power plant (NPP) such as the cable tray system, hazardcurve and spectra were defined for two hazard levels of the ground motions, namely, operation basisearthquake, and safe shutdown earthquake. Accordingly, two sets of spectral compatible ground motionswere selected for dynamic analysis of the cable tray system. In general, the PBEE analysis of the cable trayin NPP was introduced where the resulting floor motions from the time history analysis (THA) of the NPPstructure should be used as the input motion to the cable tray. However, for simplicity, a finite elementmodel of the cable tray was developed for THA under the effect of the selected ground motions. Based onthe structural analysis results, fragility curves were generated in terms of specific engineering demandparameters. Loss analysis was performed considering monetary losses corresponding to the predefineddamage states. Then, overall losses were evaluated for different damage groups using the PEER PBEEmethodology.

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