Nikolaos Diasakos, TUNNEL EXCAVATION IN CLAYEY-MARLY FORMATIONS: THE CASE OF KALLIDROMO TUNNEL, Δελτίο της Ελληνικής Γεωλογικής Εταιρείας, 43|2010, 1149-1156

This paper presents the excavation of Kallidromo railway tunnel in clay and clay-marl formations. During the past years various approaches were considered both at the design and construction level, for the completion of this difficult part of the tunnel. Finally a method has been selected and successfully applied which combines the principles of yielding and double support.

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