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E6 Nordnes Tunnel - Bergli portal

Norway

The Nordnes Tunnel reduces the risk of traffic disruption due to avalanches and landslides and it also lops some 8 km off this part of the E6 trunk road. A tunnel formwork carriage made up from standard materials was used on the portal, and after only minor modifications it was then also used for the trumpet-shaped broadening zone.

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Project data

Year of completion
2016
Country
Norway
Address
Manndalen
Contractors
Marti Nordnes DA
Structure
Tunnel

Partially monolithic construction method

Cross-sectional shape
Curved/round
Clear width
9.80 m
Clear height
7.58 m
Formed length of tunnel
55 m
Length of concreting section
10.0 m