Giant tunnel machine to bore 70.56m daily to carve 21 km tunnel for Mumbai-Ahmedabad bullet train project
MUMBAI: In a breakthrough for India's first bullet train corridor, engineers on Saturday lowered a gigantic 350-tonne cutterhead into the ground at Ghansoli's Sawli area, marking a crucial stage in the construction of the Mumbai-Ahmedabad High Speed Rail project. The cutterhead, the massive rotating front portion of a Tunnel Boring Machine (TBM) that cuts through soil and rock, is part…
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