During the construction process for a cut and cover tunnel, a trench is excavated, has an in-situ cast concrete structure placed in it, then is covered with an overhead support system that is strong enough to carry the load of whatever is to be built above the tunnel. The cut and cover model is used most often in the construction of shallow tunnels, or the large spaces found in modern underground metro stations.
Cut and cover tunnels are examples of projects which benefit from Ramboll's broad pool of expertise and draw in many related skills (e.g. Ground Engineering).
The Marselis Tunnel in Aarhus and the Nordhavnsvej tunnel in Copenhagen are the first Danish cut and cover tunnels to be designed in accordance with EU Directive 2004/54/EC on road tunnel safety.
Cut & cover tunnels
Nordhavnsvej – Copenhagen Municipality
Contact
Stephen Whitham
More information on cut and cover tunnels
Projects
Nordhavnsvej – the largest road construction project in Copenhagen in 50 years
The project for “Nordhavnsvej” is the first stage of a new road to Copenhagen’s Nordhavn (North Harbour). When fully developed, the urban area is planned for 40,000 residents and 40,000 workplaces.
Norra Länken
To reduce congestion and to minimise the heavy traffic in the centre of Stockholm, it was decided to build the Norra länken: a five kilometre road around part of the centre of Stockholm, three kilometres of which will be in tunnels.
Tunnel under Marselis Boulevard
The project consists of a 1.8 kilometre cut and cover tunnel, consisting of mechanical and electrical installations, several road and railway bridges (including railway bridges at Langenæs, Åhavevej and Viby Ringgade), and all temporary structures.
Ramboll
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