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E39 Eiganestunnel

Norway

The Eiganes Tunnel will significantly reduce the volume of traffic in Stavanger's city centre and also improve the connection between the inner city and the existing Ryfast Tunnel. Along with a tunnel forming wagon for the north and south portals, Doka also supplied a formwork solution with which the three different tunnel cross-sections could be constructed with only one forming carriage and a minimum of alterations.

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Project data

Year of completion
2016
Project duration
12 Months
Country
Norway
Town or city
Starvanger
Contractors
Implenia Construction GmbH
Structure
Tunnel
Type of structure
Cut-and-cover tunnel

Portal section

Cross-sectional shape
Curved/round
Clear width
10,40 - 11,65 m
Clear height
7,35 m - 7,82 m
Formed length of tunnel
664 m
Length of concreting section
11,85 m
Number of casting sections
36

Mining tunnel

Cross-sectional shape
Curved/round
Clear width
10,63 - 14,13 m
Clear height
7,34 - 8,00 m
Formed length of tunnel
241 m
Length of concreting section
6 m
Number of casting sections
41