1. Ph.D. Student, Whitacre College of Engineering, Dept. of Civil, Environmental, and Construction Engineering, Texas Tech Univ., P.O. Box 41023, Lubbock, TX 79409-1023 (corresponding author).
2. Associate Professor, Whitacre College of Engineering, Dept. of Civil, Environmental, and Construction Engineering, Texas Tech Univ., P.O. Box 41023, Lubbock, TX 79409-1023.