1. Faculty of Sciences and Technology, Department of Material Engineering, University of Médéa, Quartier Ain D′hab, Médéa 26000, Algeria
2. Faculty of Technology, Department of Civil Engineering, University Saad Dahled of Blida, Route de Soumaa, Blida 09000, Algeria
3. Department of Civil and Environmental Engineering, University of Surrey, Tomas Telford Building, Surrey GU2 7HX, UK