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A Study of Qualitative and Quantitative Risk Assessment for Highway Safety Facilities  

Ji, Dong-Han (한국도로공사 기술심사실)
O, Yeong-Tae (아주대학교 교통공학과)
Choi, Hyun-Ho (한국도로공사 기술심사실)
Publication Information
Korean Journal of Construction Engineering and Management / v.8, no.4, 2007 , pp. 99-109 More about this Journal
Abstract
Risk elements of highway safety facilities are affected by complex environments. Thus, risk-based approach for traffic safety facilities is needed. For this, in this study, qualitative and quantitative risk assessment methodology and procedure for highway safety facilities is proposed, which can be used as risk-based approach incorporating VE process. Also, for the quantitative risk assessment, event tree using EPDO(Equivalent Property Damage Only) with respect to frequency and magnitude of risk events is introduced. As a result, risk index of alternative 1(140cm) and 2(127(cm) which can be used as performance factor in VE approach are estimated.
Keywords
Qualitative Risk Assessment; Quantitative Risk Assessment; Safety Facility; Medium Barrier; Risk Index;
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