1. Doctoral Student, Dept. of Civil and Environmental Engineering, Aalto Univ. School of Engineering, P.O. Box 15500, FI-00076 Aalto, Finland (corresponding author).
2. Staff Scientist, Dept. of Civil and Environmental Engineering, Aalto Univ. School of Engineering, P.O. Box 15500, FI-00076 Aalto, Finland.
3. Professor, Dept. of Civil and Environmental Engineering, Aalto Univ. School of Engineering, P.O. Box 15200, FI-00076 Aalto, Finland.