1. Institute of Transportation, Research Center of Road Engineering, Vienna University of Technology, Gusshausstrasse 28/E230-3, 1040 Vienna, Austria.
2. Institute of Materials Chemistry, Vienna University of Technology, Getreidemarkt 9, 1060 Vienna, Austria.
3. Institute for Mechanics of Materials and Structures, Vienna University of Technology, Karlsplatz 13, 1040 Vienna Austria.