Westerschelde Tunnel, Netherlands
Key Data:
Client
KMW Kombination Middelplaat Westerschelde BFT Beto (consortium of Philipp Holzmann AG, Wayss & Freytag AG, BAM Infrabouw B.V., Franki NV., Heijmans N.V., Vormoolen Bouw B.V.)
Subcontractors/suppliers
Herrenknecht, Ceresola, Deutz AG, ROWA, Tunneling Logistics, SCHAEFF, Ensaco, Schöma
Cost
€726 million
Tunnel length
6.6km each way
Capacity
27,000 vehicles/day
Lanes
2 x 3.5m each
Clear diameter
10.10m
Excavated material
1,330,000m³
Excavated concrete
197,000m³
Lining width
2m
Lining thickness
0.45m
Lining ring segmentation
7+1
Normal segment
10t
Crown segment
1.9t
Reinforced concrete segments
53,000 items
Steel segments
104 items
Number of cross passages
26
Medium length
12m
Clear square section
6.25m²
Thickness of freezing
2m
