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Development of the Risk Assessment Model for Railway Level-Crossing Accidents by Using The ETA and FTA  

Kim, Min-Su (한국철도기술연구원 철도종합안전기술개발사업단)
Wang, Jong-Bae (한국철도기술연구원 철도종합안전기술개발사업단)
Park, Chan-Woo (한국철도기술연구원 철도종합안전기술개발사업단)
Cho, Yeon-Ok (한국철도기술연구원 철도종합안전기술개발사업단)
Publication Information
Journal of the Korean Society for Railway / v.12, no.6, 2009 , pp. 936-943 More about this Journal
Abstract
In this study, a risk assessment model based on the ETA (Event Tree Analysis) and FTA (Fault Tree Analysis) is developed according to the procedure of hazard analysis and risk assessment in order to estimate the risk quantitatively. The FTA technique is applied to estimate the branch probability (frequency) and the ETA technique is applied to estimate the consequence for each branch path on the ET (Event Tree). A risk assessment model is developed by the combination of those ETA and FTA. In addition, the reliability and the validity of the risk assessment model are verified by comparing the risk estimated through the developed model with the actual equivalent fatality.
Keywords
Railway level-crossing accidents; Risk Assessment; ETA; FTA;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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