1. Research Laboratory of Civil Engineering, Institute of Civil Engineering, Amar Telijdi University, Laghouat, Algeria
2. Laboratory of Tribology and Dynamic of systems, National Engineering School of Saint Etienne, Saint Etienne cedex, France
3. Faculty of Agricultural Sciences and Landscape Architecture, Osnabrueck University of Applied Sciences, Osnabrueck, Germany
4. Civil Engineering and Environment Laboratory, University of Sidi-Bel-Abbes, Sidi-Bel-Abbes, Algeria