1. Graduate Research Assistant, School of Civil Engineering and Environmental Science, Univ. of Oklahoma, 202 W. Boyd St., Room 334, Norman, OK 73019 (corresponding author).
2. Kimmell-Bernard Chair in Engineering and David Ross Boyd and Presidential Professor, School of Civil Engineering and Environmental Science, Univ. of Oklahoma, 202 W. Boyd St., Room 334, Norman, OK 73019.
3. Former Research Associate, School of Civil Engineering and Environmental Science, Univ. of Oklahoma, 202 W. Boyd St., Room 334, Norman, OK 73019.