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Lining

Solutions for partial- or full- pressure shaft linings are available. 

Purpose designed equipment allow effective and efficient insertion and welding of steel pipe liners.

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Different solutions for lining and fastenings are based on evaluations of the actual geological conditions, rock pressure and cover/stability along the tunnel routing.

 

The two examples under shows a partial lining covering the lower section of the tunnel, and a full lining covering the whole tunnel:

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