Back to Search
Start Over
Groundwater Modeling for the Analysis of Active Slow-Moving Landslides.
- Source :
-
Journal of Geotechnical & Geoenvironmental Engineering . Sep2010, Vol. 136 Issue 9, p1220-1230. 11p. 5 Diagrams, 12 Graphs. - Publication Year :
- 2010
-
Abstract
- Active slow-moving landslides in clayey soils exhibit continuous movements generally controlled both in the accelerating and decelerating phases by the pore-water pressure regime that, in turn, is strictly correlated to the net rainfall regime. The paper stresses the importance of a reliable groundwater model to predict these types of movements. To this aim a procedure is proposed to define the transient groundwater regime in the slope on the basis of recorded rainfall and monitoring data; the model is then used to derive the time-dependent shear strength along the main slip surfaces. The displacements at selected points along the slip surface are computed using a phenomenological (i.e., empirical) relationship between the local factor of safety and the displacement rate at those points. The procedure is employed for the analysis of a well-documented case history: the Porta Cassia landslide (central Italy). [ABSTRACT FROM AUTHOR]
- Subjects :
- *LANDSLIDES
*CLAY soils
*EARTH movements
*MASS-wasting (Geology)
*GROUNDWATER
Subjects
Details
- Language :
- English
- ISSN :
- 10900241
- Volume :
- 136
- Issue :
- 9
- Database :
- Academic Search Index
- Journal :
- Journal of Geotechnical & Geoenvironmental Engineering
- Publication Type :
- Academic Journal
- Accession number :
- 52929276
- Full Text :
- https://doi.org/10.1061/(ASCE)GT.1943-5606.0000323