Wijker Tunnel
HEIGHT: 8.05 m
WIDTH: 31.5 m
TOTAL IMMERSED LENGTH: 574 m
DEPTH AT BOTTOM OF STRUCTURE: 24.5 m
ENVIRONMENTAL CONDITIONS:
Canal, no current
FABRICATION METHOD:
Elements constructed in existing casting basin in
Barendrecht near Rotterdam. Elements were prestressed
for loading conditions due to transport. Concrete working
stress B35.
WIDTH: 31.5 m
TOTAL IMMERSED LENGTH: 574 m
DEPTH AT BOTTOM OF STRUCTURE: 24.5 m
ENVIRONMENTAL CONDITIONS:
Canal, no current
FABRICATION METHOD:
Elements constructed in existing casting basin in
Barendrecht near Rotterdam. Elements were prestressed
for loading conditions due to transport. Concrete working
stress B35.
Wijkermeer near Ijmuiden, Velsen,
Netherlands
Ministry of Transport Public Works and Water Management; Rijswaterstaat
Tunnel Combinatie Nederland, a joint venture of Strukton Betonbouw, Haverkort Infrabouw, Bam Bredero Bouw, Van Oord ACZ and Dywidag
Basic: Civil Engineering Division of Rijkswaterstaat Detailed: Tunnel Engineering Consultants (TEC)
95.67m
574m
24.5m
Project construction
1996-04-30
6
Two tubes with three lanes each
8.05m
31.5m
Tunnel elements built at Barendrecht at Oude Maas River, towed through Nieuwe
Waterweg to the North Sea, through the sluice at Ijmuiden and the North Sea Canal to
tunnel site.
Waterweg to the North Sea, through the sluice at Ijmuiden and the North Sea Canal to
tunnel site.
Elements constructed in existing casting basin in
Barendrecht near Rotterdam. Elements were prestressed
for loading conditions due to transport. Concrete working
stress B35.
Barendrecht near Rotterdam. Elements were prestressed
for loading conditions due to transport. Concrete working
stress B35.
On site after arrival.
Canal, no current
Element mounted pontoons at primary end; single floating crane at secondary end of
tunnel element.
tunnel element.
Rubber seal type Gina and
Omega seal
Omega seal
No waterproofing membrane. Cooling of concrete was used to assure that no cracking
occurred during fabrication of elements.
occurred during fabrication of elements.
Sand-flow method
1.0 m of sand protection