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Estimation of Safety in Railway Tunnel by Using Quantitative Risk Assessment  

Kim, Do-Sik ((주)삼보기술단 지반공학부)
Kim, Do-Hyung ((주)삼보기술단 지반공학부)
Kim, Woo-Sung ((주)삼보기술단 지반공학부)
Lee, Du-Hwa ((주)삼보기술단)
Lee, Ho-Seok ((주)비엔텍아이엔씨)
Publication Information
Tunnel and Underground Space / v.16, no.5, 2006 , pp. 357-367 More about this Journal
Abstract
Recently, as the construction of new railway and the relocation of existing line increase, tunnel structures grow longer. The railway fire accidents in long tunnel bring large damages of human life and disaster. The interest of safety in long tunnel have a growing and the safety standard of long tunnel is tightening. For that reason, at the planning of long tunnel, the optimum design of safety facility in long tunnel for minimizing the risks and satisfying the safety standard is needed. For the reasonable design of long railway tunnel considering high safety, qualitative estimation for tunnel safety is required. In this study, QRA (Quantitative Risk Assessment) technique is applied to design of long railway tunnel for assuring the safety function and estimating the risk of safety. The case study for safety design in long railway tunnel is tarried out to verifying the QRA technique for two railway tunnels. Thus, the inclined and vertical shaft for escape way and safety facilities in long tunnel are planned, and the risks of tunnel safety for each case are estimated quantitatively.
Keywords
Quantitative Risk Assessment; Long Railway Tunnel; Tunnel Safety;
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