1. Ph.D. Candidate, Centre for Infrastructural Monitoring and Protection, School of Civil and Mechanical Engineering, Curtin Univ., Kent St., Bentley, WA 6102.
2. Senior Lecturer, Centre for Infrastructural Monitoring and Protection, School of Civil and Mechanical Engineering, Curtin Univ., Kent St., Bentley, WA 6102 (corresponding author).
3. Professor, Centre for Infrastructural Monitoring and Protection, School of Civil and Mechanical Engineering, Curtin Univ., Kent St., Bentley, WA 6102.
4. Lecturer, College of Civil Engineering, Fujian Univ. of Technology, Fuzhou 350108, China.