Culvert repair: slip-lining versus relining with centrifugally cast CentriPipe
by Don Anderson
In February, 2013, the Saskatchewan Ministry of Highways started a culvert repair project on Highway 9 to test three competing methods of culvert rehabilitation. The methods that Saskatchewan wanted to compare were: 1. replacing old culvert by boring new parallel culvert; 2. repairing culvert by slip-lining a new liner into the old pipe; 3. relining old culvert with centrifugally cast concrete CentriPipe.
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