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TUNNEL EXCAVATION IN CLAYEY-MARLY FORMATIONS: THE CASE OF KALLIDROMO TUNNEL

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Nikolaos Diasakos, Panagiotis Amerikanos, Georgios Tryfonas, Eleni Vagiotou, Vassilios Baltzois, Stavros Bloukas, Theodoros Tagkas, Eleftherios Malandrakis
Nikolaos Diasakos, Panagiotis Amerikanos, Georgios Tryfonas, Eleni Vagiotou, Vassilios Baltzois, Stavros Bloukas, Theodoros Tagkas, Eleftherios Malandrakis

Abstract


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.

Keywords


Kallidromo tunnel; clay formations; yielding support; double support;

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References


Office Malios S.A.. Final design study of the Kallidromo tunnel for the constructive joint

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E. Hoek, unpublished site report, 3/6/2002.

P. Marinos, Professor of National Technical University of Athens, unpublished site report, 1/7/2002.

M. H. Aleksiadou, Geological design study of the Kallidromo tunnel for Ergose Company, 2003.

W. Wittke Professor Dr. Engineer, NAMA S.A, Final design study of the Kallidromo tunnel for Ergose

Company, 2003.

K. Mitsugi, Y. Kajiwara, Construction of the 3rd longest mountain tunnel in the world – Excavation

of swollen and soft mudstone layers, AITES – ITA 2001 World Tunnel Congress, Volume III.


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Copyright (c) 2017 Nikolaos Diasakos, Panagiotis Amerikanos, Georgios Tryfonas, Eleni Vagiotou, Vassilios Baltzois, Stavros Bloukas, Theodoros Tagkas, Eleftherios Malandrakis

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