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Keywords: tunnel lining
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Proceedings Papers

Paper presented at the 1st Canada - U.S. Rock Mechanics Symposium, May 27–31, 2007
Paper Number: ARMA-07-144
..., but the tunnels no longer fulfilled requirements for traffic space and safety. During winter the road was covered with ice from inflowing water, and the tunnel lining had deteriorated due to freeze-thaw effects. The true ground conditions did not reveal themselves prior to the reconstruction of the tunnels...

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