1. Ph.D. Candidate, Dept. of Civil Engineering, Curtin Univ., 16A McKay St., Perth, WA 6102, Australia; Lecturer, Dept. of Highway and Transportation Engineering, Mustansiriyah Univ., Baghdad, Iraq (corresponding author). ORCID: .
2. Professor, Dept. of Civil Engineering, Curtin Univ., GPO Box U1987, Perth, WA 6845, Australia.
3. Mechnical Director (Pavements), GHD Pty Ltd., 13 Beesand St., Mango Hill, Brisbane, QLD 4509, Australia.