Vieux-Port Tunnel
TOTAL IMMERSED LENGTH: 273 m
DEPTH AT BOTTOM OF STRUCTURE: 15 m
HEIGHT: 7.16 m
WIDTH: 14.60 m
ENVIRONMENTAL CONDITIONS: Trench dredged in chalk.
DEPTH AT BOTTOM OF STRUCTURE: 15 m
HEIGHT: 7.16 m
WIDTH: 14.60 m
ENVIRONMENTAL CONDITIONS: Trench dredged in chalk.
Marseilles,
France
45.4m
273m
15m
Project construction
1967-04-30
6
Two single tube sections, each with two lanes
7.16m
14.60m
Two tunnels placed beside each other.
Trench dredged in chalk.
Stabilization and control of element during sinking by means of vertical cylinders,
element being pulled down by tackle connected to anchor blocks installed after
dredging.
element being pulled down by tackle connected to anchor blocks installed after
dredging.
Gina/Omega
4 mm steel membrane on bottom, bituminous membrane on sides and roof.
After placing the elements were surrounded with an enclosure and fixed by a tremie
concrete pour which extended under the element.
concrete pour which extended under the element.