1. Professor, Ph.D., Dept. of Civil, Construction and Environmental Engineering, North Carolina State Univ., Campus Box 7908, Raleigh, NC 27695, US, e-mail: gabr@ncsu.edu
2. Dept. of Civil, Construction and Environmental Engineering, North Carolina State Univ., Campus Box 7908, Raleigh, NC 27695, US, e-mail: cwcaruso@ncsu.edu
3. Dept. of Civil, Construction and Environmental Engineering, North Carolina State Univ., Campus Box 7908, Raleigh, NC 27695, US, e-mail: akey@ncsu.edu
4. Dept. of Civil, Construction and Environmental Engineering, North Carolina State Univ., Campus Box 7908, Raleigh, NC 27695, US, e-mail: mfkayser@ncsu.edu