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Seismic fragility matrices for large scale probabilistic structural safety assessment
Soil Dynamics and Earthquake Engineering, 2023 Structural safety assessment of urbanised areas exposed to seismic risk is a complex task and can be approached at different scales. Fragility functions are the most effective tool to perform an estimation of the structural risk, since they describe the exceeding probability of the limit state of interest given a level of ground shaking.
A Sandoli +2 more
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A quantification methodology of Seismic Probabilistic Safety Assessment for nuclear power plant
Annals of Nuclear Energy, 2021Abstract A Seismic Probabilistic Safety Assessment (SPSA), unlike other internal or external event analyses, has a very high probability of basic events when a strong earthquake occurs. Because of this high probability, the Core Damage Frequency (CDF) might be overestimated by the Rare Events Approximation (REA) and Minimal Cutset Upper Bound (MCUB ...
Moosung Jae
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Annals of Nuclear Energy, 2021
Abstract The seismic probabilistic safety assessments of nuclear power plants (NPPs) conservatively assume that the correlation between the seismic failure to structures, systems, and components (SSCs) is independent or fully dependent. This, however, is an extreme assumption, and so a more appropriate seismic failure correlation should be considered
Seunghyun Eem, Shinyoung Kwag
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Abstract The seismic probabilistic safety assessments of nuclear power plants (NPPs) conservatively assume that the correlation between the seismic failure to structures, systems, and components (SSCs) is independent or fully dependent. This, however, is an extreme assumption, and so a more appropriate seismic failure correlation should be considered
Seunghyun Eem, Shinyoung Kwag
exaly +2 more sources
Reliability Engineering and System Safety, 2021
Abstract As a seismic probabilistic safety assessment (SPSA) method for nuclear facilities, direct quantification of fault tree using the Monte Carlo simulation (DQFM) was developed to accurately consider the partial dependency between components.
Shinyoung Kwag +2 more
exaly +2 more sources
Abstract As a seismic probabilistic safety assessment (SPSA) method for nuclear facilities, direct quantification of fault tree using the Monte Carlo simulation (DQFM) was developed to accurately consider the partial dependency between components.
Shinyoung Kwag +2 more
exaly +2 more sources
ASME 2010 Pressure Vessels and Piping Conference: Volume 1, 2010 The Niigata-ken Chuetsu-oki Earthquake happened in July 2007. Although the observed seismic ground motions of Kashiwazaki-Kariwa nuclear power plants greatly exceeded their design values, the important functions of the plants such as “shutdown”, “cooling”, and “confinement” were successfully ensured.
Yinsheng Li +4 more
openaire +2 more sources
Volume 13: Risk Assessments and Management, 2022
Abstract Many countries have paid more attention to seismic risk in nuclear power plants after the Fukushima nuclear accident. It indicates that evaluating the risk for seismic event is vitally important. Seismic Level 1 probabilistic safety assessment (PSA) has a mature methodology, but how to perform the study on seismic Level 2 PSA ...
exaly +2 more sources
Abstract Many countries have paid more attention to seismic risk in nuclear power plants after the Fukushima nuclear accident. It indicates that evaluating the risk for seismic event is vitally important. Seismic Level 1 probabilistic safety assessment (PSA) has a mature methodology, but how to perform the study on seismic Level 2 PSA ...
exaly +2 more sources
Engineering Structures, 2022 Structural safety and environmental sustainability are major factors in investment decisions for building systems, but are rarely considered simultaneously.
Simona Bianchi +2 more
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