A Study on the Behavior of Cut and Cover Tunnel according to the Excavation Plane by Numerical Analysis

굴착사면 변화에 따른 복개 터널구조물의 역학적 거동에 관한 수치해석적 연구

  • 배규진 (한국건설기술연구원 토목연구부) ;
  • 이석원 (한국건설기술연구원 토목연구부) ;
  • 이규필 (한국건설기술연구원 토목연구부) ;
  • 박시현 (한국건설기술연구원 토목연구부)
  • Published : 2002.03.01

Abstract

The structural analysis such as rigid frame analysis has been used for the design of cut and cover tunnel due to its simplicity and convenience. This analysis, however, could not account for the geometrical factors such as interface elements, slope of excavation plane, distance between lining and excavation plane, etc. To develop the analysis technique and design technology for the cut and cover tunnel, in this study, the numerical analyses considering not only geometrical but geotechnical factors are conducted. Especially, the effects on the mechanical behaviors of cut and cover tunnel due to the slope of excavation plane and the distance between lining and excavation plane are mainly focused in this study.