List of products by author: B. Løne

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  The Joberg tunnel: successful tunnelling in moraine

  Abstract: A 100 meter long tunnel in mixed face moraine and rock, below the ground water level, was the solution when the southern end of the Joberg tunnel had to be located in an area with high risk of rock fall. The rock fall risk from the steep mountain side was evaluated to be so high that an open cut was not an option. Since a rail tunnel in clay was constructed in Trondheim in 1942, using...

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