1. Consultant Engineer, AMEC Earth and Environmental. E-mail: esam.hewayde@amec.com
2. Associate Professor, Dept. of Civil and Environmental Engineering, The Univ. of Western Ontario, London ON, Canada N6A 5B9 (corresponding author). E-mail: mnehdi@eng.uwo.ca
3. Assistant Professor, The Univ. of Louisiana Tech. E-mail: Allouche@latech.edu
4. Associate Professor, The Univ. of Western Ontario, London ON, Canada N6A 5B9. E-mail: gnakhla@eng.uwo.ca