1. Assistant Professor, Dept. of Civil Engineering, Al-Nahrain Univ., Baghdad 64040, Iraq. ORCID: .
2. Associate Professor, Dept. of Civil Engineering, Univ. of Nottingham, Malaysia Campus, Semenyih 43500, Malaysia (corresponding author). ORCID: .
3. Emeritus Professor, Dept. of Civil Engineering, Univ. of Birmingham, Birmingham B15 2TT, UK.