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Tunnel Maurice Lemaire
France, Sainte-Marie-aux-Mines
2005 – 2006
Successfull Gripper premiere in France

The road tunnel "Maurice Lemaire", the longest road tunnel located wholly on French soil, links Saint-Marie-aux-Mines with Lusse in the Vosges mountains. To meet current safety standards, a new safety tunnel had to be bored through gneiss and granite, at a distance of about 16 meters from the main tunnel.

About 6.2 kilometers of the tunnel were bored by a Herrenknecht Gripper TBM. This represented a first for gripper technology in France. With weekly best performances of nearly 234 meters, and a daily record of over 55 meters, the machine crossed the finish line at Lusse on June 2, 2006. The "Maurice Lemaire" tunnel was re-opend for public in winter 2007/2008.

Data Sheet

Country, Location

France, Sainte-Marie-aux-Mines

Year

2005 – 2006

Application

Safety tunnel

Geology

Rock
Granite, gneiss

Tunnelling length

6,225 m

Machine Data

1x Gripper TBM:
Diameter: 6,000 mm
Lining method: Rock support
Cutterhead power: 2,100 kW
Torque: 2,717 kNm

Your contact person Contact us

Jack Brockway President and CEO Herrenknecht Tunnelling Systems USA Inc.
Gerhard Goisser COO Herrenknecht Tunnelling Systems USA, Inc.