1. Fellow, ASCE
2. Prof., Dept. of Civ., Envir., and Arch. Engrg., Univ. of Colorado, Boulder, CO 80309-0428.
3. Grad. Student, Dept. of Civ., Envir., and Arch. Engrg., Univ. of Colorado, Boulder, CO.
4. Asst. Prof., Dept. of Civ. Engrg., Mutah Univ., Mutah, Al-Karak, Jordan; formerly, Grad. Student, Dept. of Civ., Envir., and Arch. Engrg., Univ. of Colorado, Boulder, CO.