Chapter
Apr 26, 2012
Coupled Hydrogeological and Geomechanical Modelling for the Analysis of Slowly-Moving Landslides
Authors: A. Ferrari, Ph.D. [email protected]., and L. Laloui, Ph.D. [email protected].Author Affiliations
Publication: Geo-Frontiers 2011: Advances in Geotechnical Engineering
Abstract
Slow movements of natural slopes are quite frequent in mountainous or hilly areas. They may display occasional crises, mostly related to the increase of pore water pressures induced by exceptional climatic conditions. A methodology consisting of combining the hydrogeological analysis and the geomechanical analysis is presented for the analysis of these phenomena. The evolution in space and time of pore water pressures obtained from hydrogeological modelling is used as input data for finite elements geomechanical modelling, in order to calculate stress variations and displacements. The proposed framework is applied to analyze a natural slope with three strategic infrastructure assets located at its toe. After being calibrated and validated, the model is applied to improve the understanding of the physical processes involved and to predict the landslide behaviour under different possible scenarios.
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Copyright
© 2011 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Continuum mechanics
- Coupling
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Geohazards
- Geomechanics
- Geotechnical engineering
- Hydrogeology
- Hydrologic engineering
- Hydrologic models
- Hydrology
- Landslides
- Models (by type)
- Pore pressure
- Pore water
- Pressure (type)
- Slopes
- Solid mechanics
- Structural engineering
- Structural members
- Structural systems
- Water (by type)
- Water and water resources
- Water management
- Water pressure
Authors
Affiliations
P.E.
Soil Mechanics Laboratory, Swiss Federal Institute of Technology, EPFL Lausanne, Station 18, CH-1015 Lausanne, Switzerland.E-mail: [email protected].
P.E.
Professor, Soil Mechanics Laboratory, Swiss Federal Institute of Technology, EPFL Lausanne, Station 18, CH-1015 Lausanne, Switzerland.E-mail: [email protected].
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