1. Graduate Student, Zachary Dept. of Civil Engineering, Texas A&M Univ., College Station, TX 77843.
2. Assistant Professor, Zachary Dept. of Civil Engineering, Texas A&M Univ., College Station, TX 77843 (corresponding author).
3. Assistant Professor, Zachary Dept. of Civil Engineering, Texas A&M Univ., College Station, TX 77843.