Istanbul Subway 4. Levent – Ayazaga Section, Warehouse Area and Connection Lines Construction

In this project the length of the tunnels which will be constructed us is 1000 m. This construction was realized by using a shaft which has 20,75 m depth. After the duct excavation we realized the Umbrella Arch support system and begun the excavation of an approach tunnel which is 99 m, Excavation and support of tunnel type A (main line) between 36 m² and 40 m² from elliptic shaft 9.00 x 12.00, 1950 mt length and 18 mt depth.

  • Place:Istanbul /TURKEY
  • Partnership :
  • Employer: Istanbul Metropolitan Municipality
  • Scope:
TUNNEL DEEP EXCAVATION WORKS MINE PREPARATION