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Herrenknecht breakthrough

Global News

Publishing Date
10 Aug 2009 5:00pm GMT
Issue/Supplement
July/August
Author
World Tunnelling

TBM-driven tunnels  


Herrenknecht announced recently that one of its TBMs has broken through six months ahead of schedule on the Erstfield-Amsteg leg of the eastern tube of the Gotthard Base Tunnel(GBT) project in Switzerland.

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