• Location

   Myeongseo-ri, Sancheok-myeon, Chungju-si to Jangpyeong-ri, Bongyang-eup, Jecheon-si, Chungcheongbuk-do, Korea 

• Descripton
• Total Length : 12,868.75 m
• Tunnel Length : 8,290m(Cheondeung Tunnel)
• 2 Inclined Tunnel (#1 : 272 m, #2 : 185 m)

 

• Technical Issue
• Design of tunnel cross-section considering train safety and tunnel maintenance
• Design of tunnel reinforcement considering the geology of Mt. Cheondeungsan and the hydraulic impact of the Jecheoncheon River
• Design of a rapid-responsed disaster prevention infrastructure and high-speed smoke exhaust system
• Design of tunnel portal that harmonizes with natural topography considering environment preservation