Determination of the lens water content for several different configurations of elliptical particles in unsaturated soils

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JAHANGIR MOHAMMAD HOSSEIN

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Journal: Modeling in Engineering Year:2018 | Volume:16 | Issue:52 Page(s): 267-276

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Title

Determination of the lens water content for several different configurations of elliptical particles in unsaturated soils

Author(s)

JAHANGIR MOHAMMAD HOSSEIN | Issue Writer Certificate

Keywords

Unsaturated soilQ1

water content of lensQ1

matric suctionQ1

filling angleQ1

soilQ1

water characteristic curveQ1

Abstract

Until now, all of the calculations about determining of water content around the particles in Unsaturated soil have done with supposing the spherical shape of particles and most of quantities such as matric suction and interparticle stress due to water meniscus were calculated by using that simple assumption. In this paper, three packing methods of ellipsoidal particles are studied and by considering changes in meniscus geometry, matric suction and water content volume are evaluated as functions of meniscus radii for soil particles under the pore-water regime. This analysis provides a theoretical basis for describing several well-known phenomena in Unsaturated soil behavior. A series of rigorous analytical equations was developed for describing the total volume of menisci between contacting ellipsoidal soil grains by treating the zero contact angle. matric suction characteristic curves modeled using the analytical solutions displayed behavior similar to real Unsaturated soils by using the ellipsoidal particles. The results show that by increasing the filling angle, the volumetric water content of horizontal arrangement is about 2 to 5 times higher than other states, while by changing in the radius ratio of the lens, this amount is more for vertical alignment. So, the matric suction for elliptical particles is quantified with little inclination towards the water content change which achieved four times larger for double diameter ratio.

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APA: Copy

JAHANGIR, MOHAMMAD HOSSEIN. (2018). Determination of the lens water content for several different configurations of elliptical particles in unsaturated soils. JOURNAL OF MODELING IN ENGINEERING, 16(52 ), 267-276. SID. https://sid.ir/paper/359410/en

Vancouver: Copy

JAHANGIR MOHAMMAD HOSSEIN. Determination of the lens water content for several different configurations of elliptical particles in unsaturated soils. JOURNAL OF MODELING IN ENGINEERING[Internet]. 2018;16(52 ):267-276. Available from: https://sid.ir/paper/359410/en

IEEE: Copy

MOHAMMAD HOSSEIN JAHANGIR, “Determination of the lens water content for several different configurations of elliptical particles in unsaturated soils,” JOURNAL OF MODELING IN ENGINEERING, vol. 16, no. 52 , pp. 267–276, 2018, [Online]. Available: https://sid.ir/paper/359410/en

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