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논문 기본 정보

자료유형
학술저널
저자정보
안지예 (울산과학기술원) 민병주 (울산과학기술원) 이승준 (울산과학기술원)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제54권 제6호
발행연도
2022.6
수록면
2,067 - 2,076 (10page)
DOI
https://doi.org/10.1016/j.net.2021.12.028

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초록· 키워드

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The importance of safety culture has been emphasized to achieve a high level of safety. In this light, asystematic method to more properly deal with safety culture is necessary. Here, a decision-making toolthat can apply a graded approach to the analysis of safety culture is proposed, called the F-D matrix,which determines the frequency and the difficulty of safety culture attributes recently defined by theIAEA. A hierarchical model of difficulty contributors was developed as a scoring standard, and its elements were weighted via expert evaluation using the analytic hierarchy process. The frequency of theattributes was derived by analyzing reported events from nuclear power plants in the Republic of Korea. Period-by-period comparisons with the F-D matrix can show trends in the change of the maturity level ofan organization's safety culture and help to evaluate the effectiveness of previously implementedmeasures. In the evaluating the difficulty of the attributes in the recently developed harmonized safetyculture model, the difficulties of Trending, Benchmarking, Resilience, and Documentation and Procedureswere found to be relatively high, while the difficulties of Conflicts are Resolved, Ownership, Collaboration, and Respect is Evident were found to be relatively low. A case study was conducted with an analysisperiod of 10 years to attempt to reflect the many changes in safety culture that have been made followingthe Fukushima accident in March 2011. As a result of comparing two periods following the Fukushimaaccident, the overall frequency decreased by about 40%, providing evidence for the effects of the variousimprovements and measures taken following the increased emphasis on safety culture. The proposed

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