1. Ph.D. Student, Dept. of Civil Engineering, Univ. of Toledo, Mail Stop 307, 1650 N Westwood Ave., Toledo, OH 43606-3390.
2. Professor and Chairman, Dept. of Civil Engineering, Univ. of Toledo, Mail Stop 307, 1650 N Westwood Ave., Toledo, OH 43606-3390 (corresponding author).
3. Associate Professor, Dept. of Chemical and Environmental Engineering, Univ. of Toledo, Mail Stop 305, 1650 N Westwood Ave., Toledo, OH 43606-3390.
4. M.Sc. Student, Dept. of Civil Engineering, Univ. of Toledo, Mail Stop 307, 1650 N Westwood Ave., Toledo, OH 43606-3390.