Evaluation of Unsaturated Soil Properties for a Debris-Flow Simulation

Fast-moving landslides (i.e., debris/earth flows) are often caused by heavy rainfall occurring in small areas, and not predictable. On the other hand, innovative methods for geomechanical characterization, numerical analysis, modeling required to attempt reproduce a given flow event. As our capability very complex phenomena increases, we can improve prevention approaches. In this paper, debris event that occurred Enna area (Sicily) is described. Starting from study of geological framework historical background, research focused on causes triggered landslide. situ laboratory tests, including geophysical investigations triaxial tests unsaturated conditions, were carried out investigate factors affecting dynamics This gives us better knowledge mechanical hydraulic properties be used model these events, assess most appropriate strategies mitigation related risks.