1. Assistant Professor, Indian Institute of Technology Hyderabad, Hyderabad 502205, India.
2. Professor, Dept. of Civil Engineering, The Univ. of Texas at Arlington, TX 76019 (corresponding author).
3. Materials Engineer, Texas Dept. of Transportation, Fort Worth, TX 76133.
4. Former Master’s Student, Dept. of Civil Engineering, The Univ. of Texas at Arlington, TX 76019.