1. Ph.D. Candidate, School of Computing, Engineering and Mathematics, Western Sydney Univ., Locked Bag 1797, Penrith, NSW 2751, Australia.
2. Associate Professor, Geotechnical Engineering, School of Computing, Engineering and Mathematics, Western Sydney Univ., Locked Bag 1797, Penrith, NSW 2751, Australia (corresponding author).
3. Professor, Geotechnical Engineering, School of Computing, Engineering and Mathematics, Western Sydney Univ., Locked Bag 1797, Penrith, NSW 2751, Australia.