PROJECTRoad tunnels

Road tunnels

Road tunnelsExpressway No.400 (Paju ~ Yangju·Pocheon, C2)
Category Technical Proposal Tender
Client Korea Expressway Corporation
Contractor Korea Development Corporation
Period February 01, 2017 ~ September 30,2017
Project Information
  • Location

    Sambang-ri, Beobwon-eup, Paju-si, Gyeonggi-do ~ Deokdo-ri, Gwangjeok-myeon, Yangju-si, Gyeonggi-do, Korea


  • Description
    • Total L = 7,480m
    • 3 Tunnels L = 5,314m
    • 2 Bridges L = 328m


  • Technical Issues
    • Design of inclined tunnel instead of vertical shaft for improvement of constructability, construction period and rescue operation in accident.
    • Design of one-way excavation plan, considering dip direction of joints for improvement of stability during excavation
    • Extending the width of the road shoulder (2.5 3.0m) to improve driving safety and maintenance convenience
    • Installing VMS (Various Message Sign) and sunlight blocking facilities for minimization of direct sunlight effects and securing driving safety