1. Ph.D. Candidate, Dept. of Civil and Structural Engineering, Hong Kong Polytechnic Univ., Hong Kong SAR, China.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Alberta, 3–009, Markin/CNRL Natural Resources Engineering Facility, 9105 116th St., Edmonton, Alberta, Canada T6G 2W2; formerly, Associate Professor of Construction Engineering and Management, Dept. of Civil and Structural Engineering, Hong Kong Polytechnic Univ., Hong Kong SAR, China (corresponding author).
3. Professor, Dept. of Land Surveying and Geo-Informatics, Hong Kong Polytechnic Univ., Hong Kong SAR, China.