Reference List Hyperbaric Tunneling
S-127 Socatoptunnel, Paris |
2000 / 2004 / 2006 |
France |
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S-127 Socatoptunnel, Paris
Road Tunnel
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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.
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