1. Ph.D. Candidate, Univ. of Queensland, St Lucia, QLD 4072, Australia (corresponding author).
2. Postdoctoral Research Fellow, School of Civil Engineering, Univ. of Queensland, St Lucia, QLD 4072, Australia.
3. Lecturer, School of Civil Engineering, Univ. of Queensland, St Lucia, QLD 4072, Australia.
4. Professor, School of Civil Engineering, Univ. of Queensland, St Lucia, QLD 4072, Australia.