List of products by author: A. Koester

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  Cityringen – Inner-city TBM tunneling in mixed face conditions

  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...

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