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Solbakk Tunnel

Norway

The 14-km long Solbakk Tunnel is one of three tunnels comprising the Ryfast Project, currently one of the world's longest underwater roadway tunnel project. This tunnel extending at a maximum depth of 290 m below the sea bed consists of two tubes separated by direction of traffic will replace the current ferry link between Stavanger and Tau.

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Solbakk Tunnel
Solbakk Tunnel
Solbakk Tunnel
Solbakk Tunnel
Solbakk Tunnel
Solbakk Tunnel
Solbakk Tunnel

Project data

Year of completion
2016
Country
Norway
Town or city
Starvanger
Contractors
Marti IAV Solbakk DA
Structure
Tunnel
Type of structure
Mining-type tunnel

Mining-type method

Cross-sectional shape
Curved/round
Clear width
10,38 m
Clear height
7,69 m
Length of concreting section
6 m

partly monolithic Portal

Cross-sectional shape
Curved/round
Clear width
9,180 m
Clear height
7,95 m
Formed length of tunnel
je 185 m
Length of concreting section
11,30 m
Number of casting sections
je 17