PROJECTRailway tunnels

Railway tunnels

Railway tunnelsJungang Line (Dodam ~ Youngcheon, C2)
Category T / K Basic design
Client Korea Rail (KR) Network Authority
Contractor Kolon Global
Period October 10, 2012 ~ May 28, 2013
Project Information
    • Location
      Daegang-myeon, Danyang-gun, Chungcheongbuk-do ~ Punggi-eup, Yeongju-si, Gyeongsangbuk-do, Korea


    • Description
      • Total L = 14,645m     
      • 3 Tunnels L = 11,248m      
      • Earthworks L = 3,184m        
      • Bridge L = 213m                               


        • Technical Issues
          • Design for the disaster prevention of a long tunnel and minimization of environmental damages on National Park
          • Adaptability analysis of high efficient rapid construction equipment to obey the construction period
          • Design of auxiliary reinforcement methods according to the size and position of limestone cavities