Tunnelling: Breakthrough technology

Katherine Weir

21 January 2020

With major European tunnels driving further and deeper into the earth, advances in equipment and techniques are necessary to meet these new challenges. Katherine Weir reports

The Robbins Company encountered two uncharted caverns with stalactites and stalagmites when working on the Galerie des Janots water tunnel in France, using its 3.5m diameter main beam TBM

Tunnel construction is one of the most demanding civil engineering applications for construction equipment. A construction site below ground…

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