Georg Atzl, Michael Proprenter und Peter Schubert of iC group gave presentations on WTC 2017 in Bergen/Norway. In addition, Marko Zibert, Peter Jemec und Doris Frank of Elea iC took part in ITA working groups.
Get more information from the following articles:
The Joberg tunnel. Successful tunnelling in moraine.
Aagard, Gylland, Schubert, Lone
Semmering Base Tunnel – Large Caverns in Challenging Conditions