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Major Tunnelling Projects along the Turkish Motorway Network

Major Tunnelling Projects along the Turkish Motorway Network. Istanbul – Ankara Motorway: Izmit Tunnels (1987-1990), Bolu Tunnel (1990-2006) Tarsus Adana Gaziantep Motorway – Section 3: Tasoluk-, Ayran-, Kizlac- and Aslani Tunnels (1990 – 1998)

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Major Tunnelling Projects along the Turkish Motorway Network

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  1. Major Tunnelling Projects along the Turkish Motorway Network • Istanbul – Ankara Motorway: Izmit Tunnels (1987-1990), Bolu Tunnel (1990-2006) • Tarsus Adana Gaziantep Motorway – Section 3: Tasoluk-, Ayran-, Kizlac- and Aslani Tunnels (1990 – 1998) • Izmir-Aydin Motorway: Selatin Tunnel, Karsiyaka Tunnels (1988 – 2000)

  2. Alignment of Bolu Mountain Crossing

  3. Bolu Tunnel – Elmalik Portal View

  4. Bolu Tunnel - Theoretical Regular Cross-Section

  5. Bolu Tunnel – Settlements and Reexcavation at Elmalik Portal

  6. Bolu Tunnel – Support Classes Option 3 and Option 4

  7. Bolu Tunnel – Damages due to Düzce Earthquake

  8. Bolu Tunnel – Realignment after Earthquake on Nov. 12, 1999

  9. Bolu Tunnel – Seismic Joints at Concrete Invert

  10. Bolu Tunnel – Seismic Joints in Inner Concrete Lining

  11. Opening of the Bolu Tunnel to Traffic in December 2006

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