Risks and hazards caused by groundwater during tunnelling: geotechnical solutions used as demonstrated by recent examples from Tyrol, Austria

Schwarz, L.; Reichl, I.; Kirschner, H.; Robl, K.
March 2006
Environmental Geology;Mar2006, Vol. 49 Issue 6, p858
Academic Journal
As demonstrated by recently excavated reconnaissance tunnels, uncontrolled water ingresses frequently pose a risk to tunnels and the tunnelling crew despite ever-improving tunnelling methods. This is regardless of the type of rock encountered and can result in significantly increased construction costs.


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