Dohtonbori River Tunnel
TOTAL IMMERSED LENGTH: 25 m
DEPTH AT BOTTOM OF STRUCTURE: 10 m
HEIGHT: 6.96 m
WIDTH: 9.65 m
FABRICATION METHOD: A temporary working platform was set up at the site and the steel shell element was fabricated on this platform.
DEPTH AT BOTTOM OF STRUCTURE: 10 m
HEIGHT: 6.96 m
WIDTH: 9.65 m
FABRICATION METHOD: A temporary working platform was set up at the site and the steel shell element was fabricated on this platform.
Osaka,
Japan
24.9m
25m
10m
Project construction
1969-04-30
1
Two tubes; one track each
6.96m
9.65m
A temporary working platform was set up at the site and
the steel shell element was fabricated on this platform.
the steel shell element was fabricated on this platform.
A gantry crane was used for placement.
One end is a rigid joint; the other is an expansion joint.
Continuous steel shell treated with a cathodic protection system.
The steel shell element was supported at both ends by caissons in the manner of a
submerged bridge.
submerged bridge.