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Road tunnel, Trondheim

Norway

This new 120 m long road tunnel, with a haunched cross-section, is being built between southern and western Trondheim as a traffic-calming and environmental-protection measure. The Doka heavy-duty supporting system SL-1 enabled the site crew to pour in a weekly cycle.

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Project data

Year of completion
2012
Project duration
5 Months
Country
Norway
Contractors
Søbstad AS
Structure
Location map and directions
Type of structure
Cut-and-cover tunnel

Wall

Construction method
Partially monolithic
Cross-sectional shape
Rectangular
Clear width
10.70 m
Clear height
4.95 m
Formed length of tunnel
120.00 m
Length of concreting section
10.00 m
Number of casting sections
12
Cycle time
7 -day cycle