1. Ph.D. Candidate, School of Computing, Engineering and Mathematics, Univ. of Western Sydney, Locked Bag 1797, Penrith, NSW 2751, Australia.
2. Associate Professor in Geotechnical Engineering, School of Computing, Engineering and Mathematics, Univ. of Western Sydney, Locked Bag 1797, Penrith, NSW 2751, Australia (corresponding author).
3. Principal Geotechnical Engineer, Coffey Geotechnics Pty Ltd., Level 19, Tower B, Citadel Tower 799, Pacific Hwy., Chatswood, NSW 2067, Australia.
4. Senior Principal, Coffey Geotechnics Pty Ltd., Level 19, Tower B, Citadel Tower 799, Pacific Hwy., Chatswood, NSW 2067, Australia.
5. Associate Professor in Geotechnical Engineering, School of Computing, Engineering and Mathematics, Univ. of Western Sydney, Locked Bag 1797, Penrith, NSW 2751, Australia.