Reply on topic: Ankara - İzmir YHT'de T1 tüneli kazısına başlandı
T1 tunnel construction started. It is part of 624 kilometre Ankara - İzmir YHT (high speed tunnel). T1 Tunnel is 624 km long. Out diameter 13,77 metre. Inner diameter 12,...be ready in 12 months. Ankara - İzmir YHT line has 49 tunnels...Bangladesh - China: A visit to Bangladesh’s first underwater tunnel
much-awaited Bangabandhu Sheikh Mujibur Rahman Tunnel, the first under-river tunnel in South Asia https://theglobalherald.com/news/watch-a-visit-to-bangladeshs-first-underwater-tunnel/After 12 years, excavation of Austria's longest rail tunnel has been completed
Breakthrough has been achieved in the 33 kilometer long Koralm Tunnel. Excavation of the tunnel started in 2008 under the Koralpe mountai...ustria. If you also count the exploratory tunnel, work started not 12 but 18 y...tunnel in Austria. The south tube of the tunne...
cover tunnel photo by: Matt Brown from London, England / CC BY
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