PROJECTRailway tunnels

Railway tunnels

Railway tunnelsGimpo Metropolitan Rapid Transit (C5)
Category T / K Basic & Detailed design
Client Korea Rail (KR) Network Authority
Contractor Hanwha E & C
Period July 05, 2013 ~ June 30, 2015
Project Information
    • Location
      Gochon-eup, Gimpo-si, Gyeonggi-do ~ Banghwa-dongl, Gangseo-gu, Seoul ~ Gonghang-dong, Gangseo-gu, Seoul, Korea       
    • Description  
      • Total L = 6,728m
      • Tunnel L= 6,565m
      • 2 Stations
      • 8 Shafts 


    •  Technical Issues
      • Design for the tunneling underneath the Gyeongin Ara Waterway: application of water stop grouting and reinforced pipe umbrella methods for weak zone
      • Design of the tunnel passing through underneath existing station considering reduction of noise and vibration impacts