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Air Entrapment Effects on Hydraulic Properties
The purpose of this paper is to show that the soil-water characteristic and unsaturated hydraulic conductivity functions derived for soils with continuous air channels, in which the air is assumed to exist at constant atmospheric pressure, should not be used for simulating infiltration process. Ongoing experimental work is oriented towards investigating the influence of the entrapped air on the hydraulic constitutive relations of a compacted fine-grained soil imbibing liquid. Testing is being conducted in two phases to determine (1) soil-water characteristic function and (2) unsaturated hydraulic conductivity function for systems involving discontinuous air phase. Hydraulic constitutive functions for soils with discontinuous air phase are proposed using the obtained experimental results.
Air Entrapment Effects on Hydraulic Properties
The purpose of this paper is to show that the soil-water characteristic and unsaturated hydraulic conductivity functions derived for soils with continuous air channels, in which the air is assumed to exist at constant atmospheric pressure, should not be used for simulating infiltration process. Ongoing experimental work is oriented towards investigating the influence of the entrapped air on the hydraulic constitutive relations of a compacted fine-grained soil imbibing liquid. Testing is being conducted in two phases to determine (1) soil-water characteristic function and (2) unsaturated hydraulic conductivity function for systems involving discontinuous air phase. Hydraulic constitutive functions for soils with discontinuous air phase are proposed using the obtained experimental results.
Air Entrapment Effects on Hydraulic Properties
Bicalho, Katia Vanessa (author) / Znidarcic, Dobroslav (author) / Ko, Hon-Yim (author)
Geo-Denver 2000 ; 2000 ; Denver, Colorado, United States
Advances in Unsaturated Geotechnics ; 517-528
2000-07-24
Conference paper
Electronic Resource
English
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