Chennai Metro advances Phase 2 tunnelling with new TBM drive on Corridor 4
Four TBMs with an excavated diameter of 6.67m are being used to build about 16 km of twin tunnels on this corridor.
Analysis
View MoreInclined Bore for Hydro TBM
Pingjiang hydropower project, in China, recently saw a CRCHI TBM complete bored inclined tunneling for a diversion shaft
Region Report: Middle East
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Cohesive Knowledge Systems in Tunnelling