MTRC Completed Tunnels
HEIGHT: 7.57 m
WIDTH: 12.42 m
TOTAL IMMERSED LENGTH: 1260 m
DEPTH AT BOTTOM OF STRUCTURE: 28 m
ENVIRONMENTAL CONDITIONS:
Sheltered channel 1 m/s tidal current.
FABRICATION METHOD:
Precast in dry dock casting basin. One element
fabricated with batch 3 of Western Harbour Crossing,
remainder in adjacent basin.
WIDTH: 12.42 m
TOTAL IMMERSED LENGTH: 1260 m
DEPTH AT BOTTOM OF STRUCTURE: 28 m
ENVIRONMENTAL CONDITIONS:
Sheltered channel 1 m/s tidal current.
FABRICATION METHOD:
Precast in dry dock casting basin. One element
fabricated with batch 3 of Western Harbour Crossing,
remainder in adjacent basin.
Hong kong,
Hong Kong
Mass Transit Railway Corporation, Hong Kong
Kumagai Tarmac Joint Venture
Acer Consultants F. E. Ltd.
126m
1260m
28m
Project construction
1997-05-01
10
Two tubes, one track each
7.57m
12.42m
Curved to radius of 850 m; longitudinally post-tensioned
Precast in dry dock casting basin. One element
fabricated with batch 3 of Western Harbour Crossing,
remainder in adjacent basin.
fabricated with batch 3 of Western Harbour Crossing,
remainder in adjacent basin.
Sheltered channel 1 m/s tidal current.
FABRICATION METHOD:
FABRICATION METHOD:
Floated, immersed from sinking pontoons
Gina gasket hydrostatic joints with
secondary Omega seal. Offshore closure made with final
element.
secondary Omega seal. Offshore closure made with final
element.
Steel plate on underside, spray-on membrane on sides and roof
Sand bedding injected via pipes cast into central wall
Reclamation at northern landfall, rock armouring generally