1. Joint Ph.D. Candidate, School of Civil Engineering, Harbin Institute of Technology, China; and School of Civil Engineering, Univ. of Sydney, Sydney, NSW 2006, Australia (corresponding author).
2. Professor, School of Civil Engineering, Univ. of Sydney, Sydney, NSW 2006, Australia.
3. Professor, School of Civil Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150090, China.