1. Ph.D. Student, School of Engineering, Royal Melbourne Institute of Technology, 376-392 Swanston St., Melbourne, VIC 3001, Australia; Junior Lecturer, Dept. of Civil Engineering, Mirpur Univ. of Science and Technology, Mirpur, 10250 (AJK), Pakistan.
2. Assistant Professor, Dept. of Civil Engineering, Univ. of Engineering and Technology, Lahore, 54890, Pakistan.
3. Professor, Dept. of Civil and Environmental Engineering, Western Univ., London, ON, Canada N6A 5B9 (corresponding author).
4. Professor, Dept. of Civil Engineering, Mirpur Univ. of Science and Technology, Mirpur, 10250 (AJK), Pakistan.