1. School of Civil and Environmental Engineering, Queensland University of Technology, Brisbane, QLD 4000, Australia
2. Centre for Infrastructure Monitoring and Protection, School of Civil and Mechanical Engineering, Curtin University, Bentley, WA 6102, Australia
3. School of Civil Engineering and Surveying, University of Southern Queensland, Springfield Central, QLD 4300, Australia
4. Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Kowloon, Hong Kong, P. R. China