China: Breakthrough announced in China’s Helan Mountains tunnel project
A breakthrough in construction of the first railway tunnel to be built through the Helan Mountains in northwest China’s Ningxia Hui Autonomous Region has been announced. https://www.railjournal.com/infrastructure/breakthrough-announced-in-chinas-helan-mountains-tunnel-project/China Tunnel Technology: Bangladesh Bangabandhu Tunnel under Karnaphuli river breakthrough
https://www.youtube.com/watch?v=-E_QkpZvHjw China Communications Construction Company Limited, the contractor, and China Road and Bridge Corporation, the constructor, successfully achieved breakthrough of both tubes of the tunnel.Breakthrough for TBM Tansa 1 at Mumbai Metro Line-3 at Worli
After boring 2072 meters and laying 1381 rings, the Ø6.65m refurbished Robbins NFM slurry tunnel boring machine 1238 ("Tansa 1&...;) operated by Doğuş-Soma JV made a breakthrough at the southern-end of Worli...ine 2. It is the first TBM break...Breakthrough of 3.2 km long tunnel between Katra-Reasi Stations achieved
With the breakthrough of 3209 meter long Tunnel T-1 between Katra and Reasi Stations, another milestone has been achieved under the Udhampur-Srinagar-Baramulla Rail Link (USBRL) Project, https://www.dailyexcelsior.com/breakthrough-of-3-2-km-long-tunnel-between-katra-reasi-stations-achieved/First Tunnel Breakthrough achieved for Delhi section of Delhi-Ghaziabad-Meerut RRTS Corridor
https://www.youtube.com/shorts/iA760KKm-88 The tunnel Boring Machine (TBM), Sudarshan 4.1 made the breakthrough from the tunnel retrieval shaft constructed at Khichdipur, Delhi https://www.metrorailnews.in/first-tunnel-break...China Communications Construction Company (CCCC) Bangladesh Karnaphuli Tunnel Project Breakthrough
China Communications Construction Company Limited (CCCC) achieve breakthrough in Bangladesh Karnaphuli underriver tunnel project. First underwater tunnel project Bangladesh. https://www.thedailystar.net/country/news/karnaphuli-tunnel-project-makes-breakthrough-amid-pandemic-1939517BRO breakthrough on Golden Arc Road by building 700 meter Naushera tunnel
https://www.youtube.com/watch?v=x3A4QyZiQBQ Border Roads Organi...g the 700 meter-long Naushera tunnel on Akhnoor-Poonch National Highway...nsindia.com/news/national/bro-breakthrough-on-golden-arc-road-by-building-700-meter-naushera-tunne...Tunnelling complete on Perth's $1.86B Forrestfield-Airport Link project
Sandy the TBM too, breaksthrough at Bayswater dive structure. Sandy is...Boring of the 16 kilometres of tunnels, 8 in direction,under the Swan river and the Perth Airpor...ct for Pert". https://www.perthnow.com.au/community-news/eastern-reporter/tunnelling-complete-on-forrestfield...
cover tunnel photo by: Matt Brown from London, England / CC BY
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