Soil hydraulic behaviour of a selected benchmark soil involved in the landslide of Sarno 1998

摘要: Abstract A multidisciplinary approach was adopted in this paper order to study the very complex and unpredictable phenomenon of rainfall-triggered landslides. Physical chemical measurements were made on a selected benchmark soil involved landslide Sarno (Southern Italy) May 1998. Water behaviour inside soil, covering typical slope area, simulated using two-dimensional simulation model. Sensitivity analyses model showed that few uncertainties regarding input data (climatic physical) can be accepted without substantially changing output data, namely water storage values. The effects interruption pedological continuity terms total weight encumbering bottom stratification just behind section discontinuity. There resulted an increase more than 30% with respect same undisturbed slope. It causes overloading which produces values tangential pressure as those peak strength measured by direct shear tests. Notwithstanding simplifications introduced carry out study, proposed demonstrates possibility quantifying consequences some human or natural changes soil-covered slopes hence potential improving risk assessment.