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Case study published: Drilling under a National Heritage building

Case study published: Drilling under a National Heritage building

The City Line railway tunnel in Stockholm, Sweden, will be built in bedrock and some parts are now undergoing ground reinforcement.
One section of the tunnel will be constructed directly under a building from 1870. As it is listed as a National Heritage, it is protected by strict national laws that complicates the construction works.

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The case study as PDF