1. Assistant Professor, Dept. of Construction and Transportation Engineering, Univ. of Padova, Via Marzolo 9, 35131 Padova, Italy (corresponding author).
2. Dept. of Construction and Transportation Engineering, University of Padova, Via Marzolo 9, 35131 Padova, Italy.
3. Full Professor, Dept. of Construction and Transportation Engineering, Univ. of Padova, Via Marzolo 9, 35131 Padova, Italy.