1. Ph.D. Candidate, Division of Civil Engineering, School of Civil and Environmental Engineering, Oklahoma State Univ., Stillwater, OK 74075.
2. Assistant Professor, Division of Engineering and Technology, Oklahoma State Univ., Stillwater, OK 74075 (corresponding author).
3. Associate Professor, College of Agriculture, Tennessee State Univ., Nashville, TN 37209.
4. Associate Professor, Lyles School of Civil Engineering, Purdue Univ., West Lafayette, IN 47907.