1. Dept. of Civil, Construction, and Environmental Engineering, Univ. of Alabama, Tuscaloosa, AL 35487.
2. Assistant Professor, Dept. of Mechanical and Civil Engineering, Alabama A&M Univ., Huntsville, AL 35811 (corresponding author).
3. Associate Professor, Dept. of Civil, Construction, and Environmental Engineering, Univ. of Alabama, Tuscaloosa, AL 35487.
4. Professor, Dept. of Civil, Construction, and Environmental Engineering, Univ. of Alabama, Tuscaloosa, AL 35487.