İstanbul Airport Subway Line - Minister claims "fastest excavated metro line in the world”
https://raillynews.com/2019/09/gayrettepe-istanbul-airport-metro-line-light-was-seen/Kolkata Tunnel causing houses collapse: Water leak returns after early success,
Additional problems on TBM mishap which left 500 people homeless https://timesofindia.indiatimes.com/city/kolkata/water-leak-returns-after-early-success-kolkata-metro-in-for-long-haul/articleshow/71002164.cmsTürkiye envision a Triple-deck Tunnel in İstanbul: İstanbul Atatürk Tunnel with homegrown TBM
A 3-storey tunnel is envisioned for İstanbul. Two storeys of the tunnel for motor ve...İstanbul's two sides connected already wıth 3 suspense bridges, one metro tunnel and one motor vehicle tun...Boring of 2nd Metro Tunnel for New İstanbul Airport (New Atatürk Airport) to start
Respected Turkish business newspaper Dünya reports that the second metro line to the airport will be &...ne and busses late in heavy traffic. Metro tunnels hope to finish misery....w.dunya.com/ekonomi/havalimanina-bir-metro-hatti-daha-haberi-453141Reply on topic: Boring of 2nd Metro Tunnel for New İstanbul Airport (New Atatürk Airport) to start
So what? 6,56m diameter is ordinary metro size.Here are the 3 Engineering options to solve the Kolkata Metro East-West line mess
Telegraph India report that engineers from 3 countr...m/states/west-bengal/the-way-forward-for-east-west-metro/cid/1705207 My other posts...d collapses as a result of Kolkata's East-West metro tunnel TBM boring India: H...
cover tunnel photo by: Matt Brown from London, England / CC BY
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