1. PhD Student, Department of Civil Engineering, Monash University, Vic, Australia.
2. Professor, Department of Civil Engineering, Monash University, Vic, Australia.(corresponding author)
3. Professor and Canada Research Chair, GeoEngineering Centre at Queen's-RMC, Queen's University, Ellis Hall, Kingston, ON, Canada.
4. Professor, School of Civil and Environmental Engineering, Nanyang Technical University, Singapore.