1. Graduate Student, Dept. of Civil Engineering, Monash Univ., Melbourne, VIC 3800, Australia.
2. Postdoc Fellow, Dept. of Civil Engineering, Monash Univ., Melbourne, VIC 3800, Australia.
3. Dept. of Civil Engineering, Monash Univ., Melbourne, VIC 3800, Australia.
4. Graduate Student, Dept. of Materials Engineering, Monash Univ., Melbourne, VIC 3800, Australia.
5. Professor, Dept. of Materials Engineering, Monash Univ., Melbourne, VIC 3800, Australia.
6. Associate Professor, Dept. of Civil Engineering, Monash Univ., Melbourne, VIC 3800, Australia.
7. Professor, Engineering Science Programme and Dept. of Civil and Environmental Engineering, National Univ. of Singapore, Kent Ridge, Singapore 119260.
8. ARC Future Fellow, Dept. of Civil Engineering, Monash Univ., Melbourne, VIC 3800, Australia (corresponding author).