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Prediction of Coefficient of Permeability of Unsaturated Soil | ||
| Journal of Engineering | ||
| Article 1, Volume 20, Issue 2, 2014, Pages 33-48 | ||
| Authors | ||
| Mohammed Y.Fattah; Mahmood D. Ahmed; Nawar A. Ali | ||
| Abstract | ||
| A simple technique is proposed in this paper for estimating the coefficient of permeability of an unsaturated soil based on physical properties of soils that include grain size analysis, degree of saturation or water content, and porosity of the soil. The proposed method requires the soil-water characteristic curve for the prediction of the coefficient of permeability as most of the conventional methods. A procedure is proposed to define the hydraulic conductivity function from the soil water characteristic curve which is measured by the filter paper method. Fitting methods are applied through the program (SoilVision), after indentifying the basic properties of the soil such as Attereberg limits, specific gravity, void ratio, porosity, degree of saturation and wet and dry unit weights. | ||
| Keywords | ||
| Permeability; unsaturated soil; soil water characteristic curve; filter paper | ||
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