1. Research Scholar, Dept. of Civil and Environmental Engineering, Univ. of California, Los Angeles, CA 90095-1593; Lecturer, College of Engineering, Dept. of Civil Engineering, Univ. of Sulaimani, Kurdistan Region, Sulaymaniyah, Iraq (corresponding author). ORCID: .
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Los Angeles, CA 90095-1593.