1. Professor, Dept. of Civil Engineering, Lamar Univ., Beaumont, TX 77710-0024; presently, Auburn Univ., Auburn, AL 36849 (corresponding author). E-mail: xing.fang@auburn.edu
2. Associate Professor, Dept. of Civil & Environmental Engineering, Texas Tech Univ., Lubbock, TX 79409. E-mail: daivd.thompson@ttu.edu
3. Associate Professor, Dept. of Civil & Environmental Engineering, Univ. of Houston, Houston, TX 77204. E-mail: cleveland@uh.edu
4. Research Assistant, Dept. of Civil Engineering, Lamar Univ., Beaumont, TX 77710-0024. E-mail: pratishpradhan@hotmail.com
5. E.I.T., Stanley Consultants, 1661 E. Camelback Rd., Suite 400, Phoenix, AZ 85016; formerly, Research Assistant, Dept. of Civil Engineering, Lamar Univ., Beaumont, TX 77710-0024. E-mail: mallaranjit@stanleygroup.com