1. Lecturer, Centre for Infrastructure Monitoring and Protection, School of Civil and Mechanical Engineering, Curtin Univ., Kent St., Bentley, WA 6102, Australia (corresponding author).
2. Professor, Centre for Infrastructure Monitoring and Protection, School of Civil and Mechanical Engineering, Curtin Univ., Kent St., Bentley, WA 6102, Australia.
3. Assistant Professor, Dept. of Civil Engineering, Xiamen Univ., Xiamen 361005, China.