This paper analyses the mechanical behaviour of granular soils in pendular state using a discrete element approach with a contact model modified for taking into account the interparticle capillary forces. The role of water content at different confinement stresses is investigated using some numerical triaxial tests. The capability of the improved DEM is tested simulating the evaporation process occurred in a slope composed by glass spheres.
Drying and Stability of a Granular Slope Experimental and Numerical Dem Analysis
GABRIELI, FABIO;COLA, SIMONETTA;
2009
Abstract
This paper analyses the mechanical behaviour of granular soils in pendular state using a discrete element approach with a contact model modified for taking into account the interparticle capillary forces. The role of water content at different confinement stresses is investigated using some numerical triaxial tests. The capability of the improved DEM is tested simulating the evaporation process occurred in a slope composed by glass spheres.
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