Marmaray BC1 Contract NATM Tunnel Construction

This project comprise excavation, supporting and inner lining works of the NATM tunnels in the Yenikapi area of the Marmaray BC1 Project. The excavation method is the Umbrella Arch method because of the formation of clay and sand in this area.

  • Place:Istanbul / TURKEY
  • Partnership :
  • Employer: Gama-Nurol Joint Venturei
  • Scope: Excavation, supporting and concrete pavement of tunnels
TUNNEL DEEP EXCAVATION WORKS MINE PREPARATION