1. School of Engineering, University of Liverpool, Liverpool L69 7ZX, UK (Corresponding author), e-mail: abdulhaq1969@gmail.com, https://orcid.org/0000-0002-6654-9149
2. Highway and Transportation Department, Mustansiriyah University, Faculty of Engineering, Al-Bab Al-Muadham, Palestine St., Baghdad 46049, Iraq, https://orcid.org/0000-0002-9302-6781 (T.K.I.)