1. Fellow, ASCE
2. Member, ASCE
3. Grad. Student, Dept. of Civ. and Envir. Engrg., Univ. of Western Ontario, London, ON, Canada.
4. Prof. and Vice-Prin. (Res.), Queen's Univ., Kingston, ON, Canada K7L 3N6.
5. Prof., Dept. of Civ. Engrg., Northwestern Univ., Evanston, IL.