ABSTRACT
Attempts have been made to develop coupled models to simulate the effects of the precipitation on the slope stability (Rahardjo et al., 2001, Gitirana, 2005 Karam, 2005, Godt et al., 2008, Salciarini et al., 2008, Cascini et al., 2010, Conte & Troncone, 2012), these authors have used models that consider the gradual advance of the wet front and the reduction of suction and shear strength of the soils. These methods are still based on major simplifications and the input parameters are difficult and expensive for common cases. Consequently, these methods are still recommended only for preliminary assessments and for when there is a good amount of measurements of the involved parameters (Conte & Troncone, 2012). Due to the complexity of relationship rainfall-infiltrationlandslides, in general the evaluation of the process of landslides triggered by rainfall is still based on empirical methods.
