Kadıköy - Kartal Subway Line

go back

Project Details

  • Name of Project
    Kadıköy - Kartal Subway Line
  • Type of Project
    Underground Subway Construction
  • Place of Project
    İstanbul – Kadıköy / Kartal
  • Employer
    The Ministry of Transport of the Republic of Turkey
  • Contractor Company
    The Joint Venture of Yapı Merkezi - Doğuş - Yüksel - Yenigün - Belen İnşaat
  • Commencement and Completion Date
    2005 - 2012

Project Features

This project was designed to reduce the traffic load of D-100 highway between Kadıköy - Kartal which has an intense vehicle traffic, ensure rapid and mass transportation of passengers and accelerate transportation between the two continents. This line is integrated to Marmaray Line at İbrahimağa Station. It is also connected to the sea via Kadıköy Station.

The tunnel between Kadıköy – Kozyatağı, which is among main line tunnels of Kadıköy - Kartal Subway, was bored by using 2 EPB - TBMs (Earth Pressure Balance Tunnel Boring Machines).

2 TBMs (Tunnel Boring Machines) were used for the tunnels between Kozyatağı – Kartal. All station platform tunnels and switch tunnels were built via NATM (New Austria Tunnel Method).

Details of Concrete Used in The Project

  • Total Amount of Concrete
    3.000.000 m³ (approximately 1.000.000 tons of cement shall be used in the project.)
  • Classes and Amounts of Concrete
    C 25/30/35