1. Assistant Professor, School of Civil Engineering, Oklahoma State Univ., Stillwater, OK 74078 (corresponding author).
2. Ph.D. Student, School of Civil Engineering, Oklahoma State Univ., Stillwater, OK 74078.
3. Postdoctoral Researcher, School of Civil Engineering, Oklahoma State Univ., Stillwater, OK 74078.
4. Research Professor, College of Engineering, Univ. of Oklahoma, Norman, OK 73019.
5. Professor, School of Civil Engineering, Oklahoma State Univ., Stillwater, OK 74078.