Marne Tunnel
HEIGHT: 9 m
WIDTH: 17.5 m
TOTAL IMMERSED LENGTH:
West Tunnel: 210 m East Tunnel: 140 m
ENVIRONMENTAL CONDITIONS: Restricted channel area
FABRICATION METHOD: In a casting basin at northern ramp site.
WIDTH: 17.5 m
TOTAL IMMERSED LENGTH:
West Tunnel: 210 m East Tunnel: 140 m
ENVIRONMENTAL CONDITIONS: Restricted channel area
FABRICATION METHOD: In a casting basin at northern ramp site.
Paris,
France
Departement de Val de Marne, Direction de l’Equipement
Bouygues Offshore
Owner
45-55m
West Tunnel: 210 m East Tunnel: 140 m
Project construction
1989-04-30
7
Two separate tunnels, each one tube, with three lanes of traffic in each tunnel.
9m
17.5m
In a casting basin at northern ramp site.
Restricted channel area
Using mooring lines and ballasting. Level control maintained by four corner tanks. Two
access shafts, one at each end of element.
access shafts, one at each end of element.
Phoenix primary gasket and Omega secondary gasket.
No waterproofing membrane, concrete prestressed in three directions.
Jacks and jetted or sand-flow foundation.