1. P.E.
2. P.E., Member, ASCE
3. Assoc. Prof. of Civ. Engrg., Coll. of Engrg. and Sci., Louisiana Tech Univ., P.O. Box 71272-0046, Ruston, LA 71270. E-mail: mckim@ coes.latech.edu
4. Asst. Prof. of Constr. Mgmt., Civ. Engrg. Dept., Univ. of Waterloo, Waterloo, ON, Canada N2L 3G1; corresponding author. E-mail: tarek@uwaterloo.ca