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Case study published: Water-powered drilling inside Stockholm’s Central station

Case study published: Water-powered drilling inside Stockholm’s Central station

The Stockholm Central station has been sinking 1 mm per year and needed reinforcement of the foundation. This was done by drilling and setting casing all the way down to the bedrock.
Wassaras water-powered DTH hammer was prescribed for the project as the environment was sensitive in several ways.

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The case study as PDF