1. 1 Laboratory of Materials and Mechanics of Structures (LMMS) , Department of Civil Engineering, Faculty of Technology , University of Msila , Algeria
2. 2 Laboratory of Hydraulic Developments and Environment LAHE , University of Biskra , Algeria
3. 3 Department of Civil Engineering and public works, Faculty of Technology , University of Belhadj Bouchaib , Ain Temouchent , Algeria
4. 4 Consultant, 37 impasse Armand, 92160 Antony , France