The 10.4m diameter gripper TBM will excavate the central part of the Mont Cenis base tunnel between the Villarodin/Bourget-Modane access adit in France and the Clarea underground safety site in Italy.
https://tunnellingjournal.com/mont-cenis-herrenknecht-gripper-tbm-unveiled/
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://tunnellingjournal.com/mont-cenis-herrenknecht-gripper-tbm-unveiled/
Mont Cenis' Herrenknecht gripper TBM unveiled
tunnellingjournal.comA new TBM that will excavate 18km of one of the twin tubes on the Lyon-Turin railway line has been...