PROJECTRailway tunnels

Railway tunnels

Railway tunnelsWestcoast Line (Hongseong ~ Songsan C4)
Category T / K Basic design
Client Korea Rail (KR) Network Authority
Contractor Samsung C & T
Period August 15, 2011 ~ December 31, 2011
Project Information
    • Location
      Daepo-ri, Ugang-myeon, Dangjin-si, Chungcheongnam-do ~ Wolseon-ri, Yeongin-myeon, Asan-si, Chungcheongnam-do, Korea  


    • Description  
      • Total L = 11,500m     
      • 3 Tunnels L = 4,625m
      • Earthworks L = 3,925m
      • Bridge L = 2,950m
      • A station                                             


        • Technical Issues
          • Design of the tunnel considering high speed train (design speed: 270km/h)
          • Planning of the TSP (Tunnel Seismic Protection) survey to detect limestone cavities and the reinforcement method using lightweight concrete filling
          • Application of additional escape routes to enhance the performance of disaster prevention of a long tunnel (L = 625m)