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Abstract: Cityringen comprises twin TBM tunnels with a length of approximately 15,5 km connecting 17 new stations and 5 shafts through the old inner city of Copenhagen. The tunnelling in the Southern part of the ring is mainly driven through in Copenhagen limestone, whereas the Northern part of the ring includes mixed face and soft ground conditions. The tunnels are located at a depth of between 10 and...
Abstract: The Cityringen Branch-off to Nordhavnen project adds 2.5km double track to the Cityringen underground metro line, along with two new stations (Nordhavn and Orientkaj), an emergency egress shaft at Krauseparken and a crossover between Nordhavn and Orientkaj. A design and construction contract for the underground civil works includes a new underground station at Nordhavn, 1.8km of twin bored...