Tag Archive: Advance rate

All About Tunnel Boring Machine (TBM) & Parameters

Construction of the A5 highway east bypass of Biel; 12.6 m diameter drill head of TBM © Chriusha (Хрюша) CC-BY-SA-3.0

Tunnel Boring Machine (TBM) A TBM is a massive set of complex equipment assembled together to excavate a tunnel, often called as “Mole”. Major components of this Tunnel Boring Machine includes Cutter head, with cutting discs/tools and Muck buckets to…
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