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EnglishThe article relates the main findings of a recent investigation aimed at modeling the triggering of shallow landslides. A simplified model for assessing the safety factor of potentially unstable slopes, directly related with rainfall trends, was developed. Based on the geometric characteristics of the slope, the geotechnical properties, and strength parameters of the soil, the model makes it possible to define a safety factor of a slope as a function of time. The model is based on the limit equilibrium method and takes into account the seepage of underground water. The safety factor is, in turn, related to the seasonal rainfall. The model was applied on a local scale to some historical cases which had occurred recently in Northern Italy. The paper shows how the results of the application of the model on a local scale achieve a good agreement between the instability condition and the real date of each considered event.
Rainfall-induced shallow landslides: a model for the triggering mechanism of some case studies in Northern Italy / L. Montrasio; R. Valentino; G.L. Losi. - In: LANDSLIDES. - ISSN 1612-510X. - 6(2009), pp. 241-251. [10.1007/s10346-009-0154-7]
| Tipologia ministeriale: | Articolo su rivista | |
| Appare nelle tipologie: | 1.1 Articolo su rivista |
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http://hdl.handle.net/11381/2305328
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