1. University of Belkaïd Abou BekrTlemcen, Chetouane, Algeria
2. Faculty of Sciences and Technology, Relizane University, Relizane, Algeria
3. Faculty of Technology, Civil Engineering Department, Material and Hydrology Laboratory, University of Sidi Bel Abbes, Sidi Bel Abbès, Algeria
4. Department of Civil Engineering, University Mustapha Stambouli of Mascara, Mascara, Algeria
5. Department of Civil and Environmental Engineering, King Fahd University of Petroleum & Minerals, Dhahran, Eastern Province, Saudi Arabia
6. Department of Civil and Environmental Engineering, Lebanese American University, Byblos, Lebanon
7. Department of Mathematics, College of Science and Humanities, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
8. Department of Civil Engineering, College of Engineering, King Khalid University, Abha, Saudi Arabia