1. Ecole Nationale Supérieure de Technologie et d'Ingénierie, Département de Science et Génie des Matériaux, Annaba, Algérie
2. Department and Laboratory of Civil Engineering, University of Badji Mokhtar Annaba, Annaba, Algeria
3. University of Sarajevo-Faculty of Civil Engineering, Department of Structures, Sarajevo, Bosnia and Herzegovina