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Convertible EPB penetrates Vosges mountains

07/09/2012
Excavation for the first 4 km-long tube of the Saverne TGV tunnel through the Vosges mountains has been accomplished using a Herrenknecht EPB that can be switched from closed to open mode for different soil conditions as it progresses. Read the press release and visit tunnelbuilder archive for details of 200 similar reports. 36/12.



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