Criblette & Chauderon

TUNNELS

This investigation determined the origin of local water ingress detected in the tunnels.

A correspondence between the water ingress and the different rock layers was found. Water-bearing layers cause localised water accumulations which gradually seep through the concrete lining. In one of the tunnels, the drainage of the road above was identified as the cause.

 

Related tags: Concrete | Conductivity

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