1. Civil Engineering Department, College of Engineering, Salahaddin University-Erbil, Erbil, Kurdistan 46001, Iraq
2. Civil Engineering Department, College of Engineering, University of Sulaimani, Sulaymaniyah, Kurdistan 46001, Iraq (Corresponding author), e-mail: ahmed.mohammed@univsul.edu.iq, https://orcid.org/0000-0003-4306-3274