1. Assistant, Faculty of Civil and Geodetic Engineering, Univ. of Ljubljana, Jamova cesta 2, 1000 Ljubljana, Slovenia (corresponding author).
2. Associate Professor, Faculty of Civil and Geodetic Engineering, Univ. of Ljubljana, Jamova cesta 2, 1000 Ljubljana, Slovenia.
3. Professor, Faculty of Civil and Geodetic Engineering, Univ. of Ljubljana, Jamova cesta 2, 1000 Ljubljana, Slovenia.
4. Assistant, Faculty of Civil and Geodetic Engineering, Univ. of Ljubljana, Jamova cesta 2, 1000 Ljubljana, Slovenia.