1. Formerly, Postgraduate Student, Dept. of Civil and Environmental Engineering, Adelaide Univ., Adelaide, South Australia 5005, Australia.
2. Professor, Dept. of Civil and Environmental Engineering, Adelaide Univ., Adelaide, South Australia 5005, Australia (corresponding author).
3. Associate Professor, Dept. of Civil, Construction, and Environmental Engineering, Constructed Facilities Laboratory, North Carolina State Univ. Centennial Campus, Campus Box 7533, 2414 Campus Shore Dr., Raleigh, NC 27695-755.