Auscultation géologique, géophysique et géotechnique du site du barrage de Tabellout, Nord-Est Algérien

Nowadays geophysical methods (electrical prospecting, seismic surveys, geological radar, tomography) are often used in studies of landslides, instabilities and rockfall rock slides. The combined use of some of these methods makes it possible in the majority of cases to provide answers to the problems encountered on site and to solve them. Indeed, the site of the dam of Tabellout located in Jijel (Northeast Algeria) very tectonized has experienced massive mass movements. Through the present work, we will highlight the advantage of the combination of the results obtained by the geological study, core drilling and the seismic refraction carried out at the site of the dam. Thus, a global qualitative approach to the physical state and the fracturing of formations likely to generate new movements or mass slides during future hydric or seismic stresses is proposed.