Piet Hein Tunnel
HEIGHT: 8 m
WIDTH: 32 m
TOTAL IMMERSED LENGTH: 1,265 m
DEPTH AT BOTTOM OF STRUCTURE: -16.97
ENVIRONMENTAL CONDITIONS:
Sand, clay, and soft soil conditions
FABRICATION METHOD:
Elements cast in segments, prestressed to take transport
loadings.
WIDTH: 32 m
TOTAL IMMERSED LENGTH: 1,265 m
DEPTH AT BOTTOM OF STRUCTURE: -16.97
ENVIRONMENTAL CONDITIONS:
Sand, clay, and soft soil conditions
FABRICATION METHOD:
Elements cast in segments, prestressed to take transport
loadings.
Amsterdam,
Netherlands
Municipality of Amsterdam
Combinatie Piet Hein Tunnel, consortium of C.F.E., Stukton de Meijer, Dredging International, Besix, van Laere Aannemingen. De Werger consultant as subcontractor for the engineering (Design - Construct)
160m
1,265m
16.97m
Project construction
1997-04-30
8
Three tubes; two with two lanes for vehicles one with two tracks for trains
8m
32m
Tunnel elements built in existing casting basin, Verreroek, 16 km from Antwerp,
Belgium, and towed through Western Scheldt, through locks at Ijmuiden to Amsterdam.
Belgium, and towed through Western Scheldt, through locks at Ijmuiden to Amsterdam.
Elements cast in segments, prestressed to take transport
loadings.
loadings.
Sand, clay, and soft soil conditions
Pontoons on top of the element at the inboard end and a floating crane on the outboard
end.
end.
Gina/Omega gaskets
Elements cast in segments, concrete was cooled to prevent cracking and prestressing
was provided during transport.
was provided during transport.
Sand flow
Sand at shipping canal; other part not covered.