1. Researcher, Dept. of Civil and Environmental Engineering, Norwegian Univ. of Science and Technology, 7491 Trondheim, Norway; Senior Engineer, Dept. of Road and Transport, Norwegian Public Roads Administration, Postboks 1010 Nordre Ål, 2605 Lillehammer, Norway (corresponding author).
2. Professor, Dept. of Civil and Environmental Engineering, Norwegian Univ. of Science and Technology, 7491 Trondheim, Norway.
3. Researcher, Dept. of Civil and Environmental Engineering, Norwegian Univ. of Science and Technology, 7491 Trondheim, Norway.
4. Professor, Dept. of Civil and Environmental Engineering, Norwegian Univ. of Science and Technology, 7491 Trondheim, Norway. ORCID: .