1. Lecturer, Dept. of Civil and Construction Engineering, Centre for Sustainable Infrastructure, Swinburne Univ. of Technology, Melbourne, VIC 3122, Australia (corresponding author).
2. Lecturer, Dept. of Construction Management, Curtin Univ., GPO Box U1987, Perth, WA 6845, Australia.
3. Associate Professor, Dept. of Civil Engineering, Universidad Técnica Federico Santa María, Valparaíso, 1680, Chile.