PROJECTRailway tunnels

Railway tunnels
Railway tunnelsHonam High Speed Railway (C1-2)
Category Alternative design
Client Korea Rail (KR) Network Authority
Contractor SK E & C
Period August 01, 2009 ~ February 28, 2010
Project Information
    • Location
      Jeosan-ri, Gangnae-myeon, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do ~ Geumnam-myeon, Sejong-si, Korea

     

    • Description
      • Total L = 9,964m     
      • 3 Tunnels L = 3,635m                            

      

        • Technical Issues   
          • Design of auxiliary reinforcement methods for the shallow depth tunneling in weathered soil layer
          • Portal design to minimize the adverse environmental effects
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