Estimation of the hydraulic conductivity of unsaturated soil incorporating the film flow

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dc.contributor.authorXueliang Zhao
dc.contributor.authorGuoliang Dai
dc.contributor.authorYan-Jun Du
dc.contributor.authorAlfrendo Satyanaga
dc.contributor.authorHarianto Rahardjo
dc.contributor.authorWeimin Ye
dc.contributor.authorQian Zhai
dc.date.accessioned2025
dc.date.issued2022
dc.description.abstractIn the conventional method for the estimation of the hydraulic conductivity of unsaturated soil, only the capillary water is considered in the estimation. However, it is known that a water film can be formed around soil particles due to the adsorptive force. The water may migrate in the soil through the water film. As a result, both water flow in the capillary water and water film should be considered in the estimation. In this paper, a new equation was proposed for the estimation of the hydraulic conductivity of unsaturated soil by considering the film flow. The proposed method was verified with the experimental data from the literature. It is recommended that both capillary water flow and film flow should be considered in the estimation of the hydraulic conductivity of unsaturated soil.
dc.identifier.doi10.1139/cgj-2021-0361
dc.identifier.urihttps://doi.org/10.1139/cgj-2021-0361
dc.identifier.urihttps://nur.nu.edu.kz/handle/123456789/13462
dc.languageen
dc.publisherCanadian Geotechnical Journal
dc.rightsAll rights reserved
dc.sourceCanadian Geotechnical Journal
dc.subjectPhysical chemistry
dc.subjectPhysics
dc.subjectChemistry
dc.subjectComposite material
dc.subjectMechanics
dc.subjectGeology
dc.subjectMaterials science
dc.subjectEnvironmental science
dc.subjectConductivity
dc.subjectSoil science
dc.subjectSoil water
dc.subjectWater flow
dc.subjectFlow (mathematics)
dc.subjectGeotechnical engineering
dc.subjectCapillary action
dc.subjectHydraulic conductivity
dc.titleEstimation of the hydraulic conductivity of unsaturated soil incorporating the film flow
dc.typeArticle

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