Journal
COMPUTERS AND GEOTECHNICS
Volume 32, Issue 2, Pages 133-137Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compgeo.2004.12.002
Keywords
constitutive relations; partial saturation; suction
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Both empirical and theoretical (thermodynamic) investigations indicate that the soil-water characteristic curve (SWCC) is an essential element in unsaturated soil modeling and it is hysteretic in nature, owing to the energy dissipation during moving fluids in or out of the soil. Because of its fundamental significance, this hysteretic feature can no longer be ignored in unsaturated soil modeling. This note presents a simple phenomenological approach for modeling hysteretic SWCCs following arbitary wetting/drying paths. (c) 2005 Published by Elsevier Ltd.
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