Università Roma Tre

1) Terminology. Classification, causes, and factors controlling landslides. Geomorphological risk; Hazard, Exposure, Vulnerability. Landslide risk assessment. Risk prediction, prevention, and mitigation. Slope hazard maps. IFFI-Idrogeo and PAI landslide archives (3 hours)
2) Technical geological characterization. Geognostic surveys: planning geognostic and geotechnical investigations. Data representation, interpretation, and correlation. In-situ tests, data restitution, processing, and interpretation. Correlations for soil classification. Construction of stratigraphic profiles to create geotechnical models. Geophysical investigations. Surface seismic surveys. Borehole seismic surveys. Technical and economic feasibility of the investigation plan (8 hours)
3) Definition and determination of geometric, physical, and mechanical parameters for slope stability analysis. Review of the physical-mechanical and constitutive characteristics of soils. Selection of shear strength parameters; Progressive failure. Total and effective stress analysis. Characterization of the pore pressure regime on slopes; stress distribution and paths on a slope; the concept of the Factor of Safety. Overview of the NTC2018, characteristic values, combination of actions, partial safety factors. (8 hours)
4) Stability analysis of earth slopes. Limit Equilibrium Methods (LEM): rigorous and approximate methods; Fellenius, Bishop, Spencer methods; GLE, Sarma; Newmark method for stability analysis in case of earthquakes. 2D and 3D evaluation. Overview of stress-strain methods (7 hours)
5) Geomechanical characterization of rock materials. Stability analysis of rock slopes. Stability analysis of rock slopes based on the geostructural and geomechanical characterization of rock masses (Markland and Matheson tests). Planar and wedge sliding, toppling. (5 hours)
6) Stability analysis of falls. Approaches at regional, local, or site-specific scales. Empirical methods and trajectory analysis. Susceptibility analysis and susceptibility zoning. 2D and 3D approaches. (4 hours)
7) Stability analysis of debris flows. Characteristics of the phenomenon. Mixture rheology. Triggering, transit, and deposition. Simplified modeling approaches. Overview of two-phase dynamic modeling. (3 hours)
8) Monitoring. Surface displacement measurements, in-depth deformation measurements, pore pressure and meteorological measurements. Use of UAVs. Use of satellite data for displacement monitoring (4 hours)
9) Risk mitigation interventions. Stabilization techniques, evaluation of approaches using active or passive protection structures. Technical and economic feasibility analysis (6 hours)
Exercises with open source or freeware software

During in-class activity and lessons, scientific papers and texts, and exercises will be hand out by the professor.