1. Professor, Zhejiang Univ. of Technology, P. R. China; and, Univ. of Greenwich, U.K. (corresponding author). E-mail: c.q.li@greenwich.ac.uk
2. Professor, Faculty of Civil Engineering and Architecture, Zhejiang Univ. of Technology, P. R. China.
3. Research Engineer, Cho. Lawanasphat Partnership, Nakhon Pathom, Thailand.
4. Professor, Centre for Infrastructure Performance and Reliability, Univ. of Newcastle, Australia.