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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 894 - 903 (10page)
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An approach for collapse risk assessment is proposed to evaluate the vulnerability of electric cabinet innuclear power plants. The lognormal approaches, namely maximum likelihood estimation and linearregression, are introduced to establish the fragility curves. These two fragility analyses are applied for thenumerical models of cabinets considering various boundary conditions, which are expressed by representingrestrained and anchored models at the base. The models have been built and verified using thesystem identification (SI) technique. The fundamental frequency of the electric cabinet is sensitivebecause of many attached devices. To bypass this complex problem, the average spectral accelerationðSaÞ in the range of period that cover the first mode period is chosen as an intensity measure on thefragility function. The nonlinear time history analyses for cabinet are conducted using a suite of 40ground motions. The obtained curves with different approaches are compared, and the variability of riskassessment is evaluated for restrained and anchored models. The fragility curves obtained for anchoredmodel are found to be closer each other, compared to the fragility curves for restrained model. It is alsofound that the support boundary conditions played a significant role in acceleration response of cabinet.
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참고문헌 (40)
참고문헌 신청
Jieun Hur / 2017 / Seismic Assessment and Performance of Nonstructural Components Affected by Structural Modeling / Nuclear Engineering and Technology 49(2):387~394
T. T. Tran / 2018 / Seismic incidence on base-isolated nuclear power plants considering uni-and bi-directional ground motions / J. Struct. Integr. Mainten 3(2):86~94
M. Shinozuka / 2003 / Statistical Analysis of Fragility Curves
A. S. Pisharady / 2010 / Methods to derive seismic fragility of NPP components : a summary / Nucl. Eng. Des 240(11):3878~3887
곽신영 / 2018 / Development of an earthquake-induced landslide risk assessment approach for nuclear power plants / Nuclear Engineering and Technology 50(8):1372~1386
T. T. Tran / 2018 / Seismic incidence on base-isolated nuclear power plants considering uni-and bi-directional ground motions / J. Struct. Integr. Mainten 3(2):86~94
M. Shinozuka / 2003 / Statistical Analysis of Fragility Curves
A. S. Pisharady / 2010 / Methods to derive seismic fragility of NPP components : a summary / Nucl. Eng. Des 240(11):3878~3887
곽신영 / 2018 / Development of an earthquake-induced landslide risk assessment approach for nuclear power plants / Nuclear Engineering and Technology 50(8):1372~1386
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