PROJECTRoad tunnels

Road tunnels

Road tunnelsBusan Outer Circular Highway (C9)
Category Alternative design
Client Korea Expressway Corporation
Contractor Samsung C & T
Period November 01, 2010 ~ July 30, 2011
Project Information
  • Location
    Geumgok-dong, Buk-gu, Busan ~ Nopo-dong, Geumjeong-gu, Busan, Korea


  • Description
    • Total L = 7,426m     
    • Tunnel L = 7,145m
    • 2 Underlay shafts L = 982m, 955m


  • Technical Issues
    • Minimiization of the groundwater level drawdown caused by tunnel excavation for swamps, scattered around mountain, and temples
    • Planning for accident fire prevention and management by the installing safety zone in tunnel