1. Professor, Dept. of Infrastructure Engineering, Univ. of Melbourne, Parkville, VIC 3010, Australia.
2. Ph.D. Candidate, Dept. of Infrastructure Engineering, Univ. of Melbourne, Parkville, VIC 3010, Australia (corresponding author).
3. Geotechnical Engineer, Civil Engineering and Development Dept., Geotechnical Engineering Office, Kowloon, Hong Kong.
4. Chief Geotechnical Engineer, Civil Engineering and Development Dept., Geotechnical Engineering Office, Kowloon, Hong Kong.
5. Ph.D. Candidate, Dept. of Infrastructure Engineering, Univ. of Melbourne, Parkville, VIC 3010, Australia.
6. Lecturer, Dept. of Infrastructure Engineering, Univ. of Melbourne, Parkville, VIC 3010, Australia.
7. Professor, Dean of School of Engineering, Chair of Dept. of Civil and Construction Engineering, Swinburne Univ. of Technology, Hawthorn, VIC 3122, Australia.