Determination of the Construction Method for Young Dong Tunnel by Risk Assessment

위험도 분석기법에 의한 영동선 터널의 굴착공법 결정사례

  • Published : 2002.03.01

Abstract

The construction method for Young Dong Tunnel has been chosen following detailed risk assessment. In this paper, the specific risks to the project programme, associated with adopting either mechanical excavation in the form of a shielded TBM, or drill and blast excavation methods, are assessed. From the risk assessment results, and taking other important factors into account, such as project sensitivity and local experience, the recommendation is made that the relatively low risk drill-and-blast method is the most appropriate for construction of Young Dong Tunnel.