Haneda Highway Monorail Tunnel (Ebitori River)
TOTAL IMMERSED LENGTH: 56 m
DEPTH AT BOTTOM OF STRUCTURE: 11.7 m
HEIGHT: 7.4 m
WIDTH: 10.95 m
ENVIRONMENTAL CONDITIONS: Height of crane booms was limited because of the tunnel’s proximity to Haneda International Airport.
FABRICATION METHOD: Rectangular steel box section fabricated at the IHI dockyard
DEPTH AT BOTTOM OF STRUCTURE: 11.7 m
HEIGHT: 7.4 m
WIDTH: 10.95 m
ENVIRONMENTAL CONDITIONS: Height of crane booms was limited because of the tunnel’s proximity to Haneda International Airport.
FABRICATION METHOD: Rectangular steel box section fabricated at the IHI dockyard
Tokyo,
Japan
(Ebitori River)
Hitachi Transport, Tokyo Monorail Corporation.
56m
56m
11.7m
Project construction
1964-04-30
1
One tube; two tracks
7.4m
10.95m
Monorail tunnel. The tunnel is supported at both ends on caisson abutments in common
with the Haneda Vehicular tunnel adjacent to it (see T.23)
with the Haneda Vehicular tunnel adjacent to it (see T.23)
Rectangular steel box section fabricated at the IHI
dockyard
dockyard
After launching, the element
was towed to a pier near
the tunnel site. The floor
slab concrete and
protective roof concrete
were placed in flotation.
The side-wall concrete and
ceiling concrete were
placed by pumping after the
element was immersed.
was towed to a pier near
the tunnel site. The floor
slab concrete and
protective roof concrete
were placed in flotation.
The side-wall concrete and
ceiling concrete were
placed by pumping after the
element was immersed.
Height of crane booms was limited because of the tunnel’s proximity to Haneda
International Airport.
International Airport.
Heavy lift cranes
Rubber gasketted joint.
Continuous steel shell
Element spans between abutments. No special foundation preparation.
Backfill with sand and counterweight of slag on top of tunnel