1. Ph.D. Student, School of Civil, Environmental and Mining Engineering, Univ. of Adelaide, SA 5005, Australia.
2. Senior Lecturer, School of Civil, Environmental and Mining Engineering, Univ. of Adelaide, SA 5005, Australia (corresponding author).
3. Research Associate, School of Civil, Environmental and Mining Engineering, Univ. of Adelaide, SA 5005, Australia.
4. Professor, School of Civil, Environmental and Mining Engineering, Univ. of Adelaide, SA 5005, Australia.