One of the two production lines with the formwork assemblies reaching a total weight of 1,150 t. Here the internal formwork has been retracted into the reinforcement cage.
Tunnel elements being sealed off with bulkheads before the dry dock is flooded.
The two 176 m long and 57,000 t tunnel sections swimming in the flooded dry docks, ready to be towed out.
Projectinformation
Place: Copenhagen, Danmark
Motorway and railway connection between Denmark and Sweden with a bridge, tunnel and an artificial island in the transition section.
- length of the tunnel: 4 km
- start of construction: 1996
- completion of the shell: start 1999
- construction method: monolithic tunnel construction using cantilever launching in the caisson technique (submerged tunnel)
Demands
- production of 20 tunnel elements which are each 176 m long and 42 m wide in eight single segments
- tight schedule
- strict requirements with regard to dimensional tolerance
Customer
OTC - Øresund Tunnel Contractors:
- NCC AB (Sweden)
- The Laing Group (Great Britain)
- Boskalis Westminster Dredging B.V. (Netherlands)
- Dumez-GTM (France)
- E. Phil & Son A/S (Denmark)
Compliance with strict specifications, reliable waterproofing
"The Øresund Tunnel is the largest monolithically constructed tunnel in the world. During the realisation of this project, PERI has fulfilled our expectations. Even the tight schedule wasn´t a problem, neither was compliance with the strict dimensional tolerances during the construction. PERI has undoubtedly kept its promises with regard to performance and technical knowledge."
Nils Bjelm
Site Manager
