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Hyperbaric Tunneling

Reference List Hyperbaric Tunneling

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Title Year Country
S-127 Socatoptunnel, Paris 2000 / 2004 / 2006 France
S-127 Socatoptunnel, Paris

S-127 Socatoptunnel, Paris

Road Tunnel
Manufacturer:Herrenknecht
Machine Type:Mixshield
Country:France
Year:2000 / 2004 / 2006
Diameter:11.56 m
Length:9,810 km
Geology:Limestone, Sand, Clay, Marl, Chalk

The TBM S-127 Socatop was built to bore the A86 motorway tunnel in Paris. The project was split up into two sections, VL 1 and VL 2, each approx. 5 km long. The TBM used was an adjustable mixshield enabling changeovers between bentonite (slurry), EPB or semi-open mode, depending on the geology the machine could be easily converted from EPB to slurry mode and vice versa within two days.