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Lyon Metro
France, Lyon
2010 – 2011

Lyon was extending its Metro Line B. The extension will guarantee residents in the southwestern part of the town speedy connections to the left bank of the Rhone and the centre of Lyon. 300 meters of the 1,400-meter-long tunnel run under the River Rhone, and end at Oullins Station.

A Mixshield named "Agathe" was used for the 1,400-meter-long tunnel. Agathe commenced work in September 2010, drilling through molasse and granite, as well as sandy and gravelly slurry and acurately mastered the crossing under the river. The Mixshield entered the target shaft on April 30, 2011, a whole month earlier than planned.

Data Sheet

Country, Location

France, Lyon

Year

2010 – 2011

Application

Metro

Geology

Heterogeneous ground
Molasse, sandy and gravelly slurry, granite

Tunnelling length

1,400 m

Machine Data

1x Mixshield:
Diameter: 9,430 mm
Lining method: Segmental lining
Cutterhead power: 2,800 kW
Torque: 17,196 kNm

Your contact person Contact us

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