1. Associate Professor, Dept. of Civil, Construction, and Environmental Engineering, North Carolina State Univ., Raleigh, NC 27695-7533; formerly, Senior Lecturer, School of Civil and Environmental Engineering, The Univ. of Adelaide, Adelaide, SA 5005, Australia (corresponding author).
2. Formerly, Honours Student, School of Civil and Environmental Engineering, The Univ. of Adelaide, Adelaide, SA 5005, Australia.
3. Research Associate, School of Civil and Environmental Engineering, The Univ. of Adelaide, Adelaide, SA 5005, Australia.
4. Professor, School of Civil and Environmental Engineering, The Univ. of Adelaide, Adelaide, SA 5005, Australia.