Mumbai: MMRDA achieves tunnel breakthrough in Surya Regional Water Supply Project
The Mumbai Metropolitan Regional Development Authority (MMRDA) tunnel boring machine (TBM) “Vighnaharta” with an internal diameter of 2.85m has achieved the first tunnel break...Bengaluru Metro: Tunnel Boring Machine Rudra achieves breakthrough at Langford Town Station
https://www.youtube.com/shorts/Tm-CkR6e1B0 TBM Rudra has achieved three breakthroughs and has completed its 100 per cent tunnelling work. The machine w...engaluru-news/bengaluru-metro-tunnel-boring-machine-rudra-achieves-break...Tunnel Boring Machine Terratec S-63 makes breakthrough at Dharavi for Mumbai Metro Line-3
Terratec Tunnel Boring Machine S-63 operated by joint venture of J Kumar Infraprojects – China Railway T...qua Line (Line-3). https://themetrorailguy.com/2020/03/18/tbm-s-63-makes-a-break...Reply on topic: Debeli Brijeg tunnel breakthrough in Croatia 74 days ahead of schedule
NATM breakthrough https://www.youtube.com/watch?v=ahHfGPmSmocReply on topic: Türkiye: Final Breakthrough at Bahçe-Nurdağı Railway
source: https://www.robbinstbm.com/bahce-nurdagi-breakthrough/
cover tunnel photo by: Matt Brown from London, England / CC BY
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