1. Graduate Research Assistant, School of Engineering, Univ. of British Columbia (Okanagan), 3333 University Way, Kelowna, BC, Canada V1V 1V7.
2. Assistant Professor, Civil Engineering Dept., College of Engineering, Qassim Univ., Buraydah, Qassim 52571, Saudi Arabia.
3. Associate Professor, School of Engineering, Univ. of British Columbia (Okanagan), 3333 University Way, Kelowna, BC, Canada V1V 1V7.
4. Professor, School of Engineering, Univ. of British Columbia (Okanagan), 3333 University Way, Kelowna, BC, Canada V1V 1V7 (corresponding author).