Haneda Highway Tunnel (Ebitori River Tunnel)
TOTAL IMMERSED LENGTH: 56.0 m
DEPTH AT BOTTOM OF STRUCTURE: 12 m
HEIGHT: 7.4 m
WIDTH: 20.1 m
ENVIRONMENTAL CONDITIONS: Haneda International Airport is located near the site.
FABRICATION METHOD: Steel shell was constructed in shipyard. Concrete for bottom slab was placed in flotation. The sidewalls and roof slab were pumped with concrete after the element was placed.
DEPTH AT BOTTOM OF STRUCTURE: 12 m
HEIGHT: 7.4 m
WIDTH: 20.1 m
ENVIRONMENTAL CONDITIONS: Haneda International Airport is located near the site.
FABRICATION METHOD: Steel shell was constructed in shipyard. Concrete for bottom slab was placed in flotation. The sidewalls and roof slab were pumped with concrete after the element was placed.
Tokyo,
Japan
(Ebitori River)
Metropolitan Expressway Public Corporation
Kajima Construction Co Ltd
Pacific Consultants K.K., Ishihawajima Harima Heavy Industries Co Ltd
56.0m
56.0m
12m
Project construction
1964-04-30
1
Two tubes; two lanes in each tube
7.4m
20.1m
Element is supported on caisson foundations at both ends (ie creating a sort of bridge
under water). The design provided for composite action between steel shell and
concrete structure. See also “Fabrication Method”, described below.
First full-scale immersed tunnel in Japan
under water). The design provided for composite action between steel shell and
concrete structure. See also “Fabrication Method”, described below.
First full-scale immersed tunnel in Japan
Steel shell was constructed in shipyard. Concrete for
bottom slab was placed in flotation. The sidewalls and
roof slab were pumped with concrete after the element
was placed.
bottom slab was placed in flotation. The sidewalls and
roof slab were pumped with concrete after the element
was placed.
Haneda International Airport is located near the site.
Three heavy lift cranes were used to control placement.
U-shaped steel plate over rubber joint.
Steel skin on sides and bottom. Concrete protected membrane on top of element.
Caisson foundations