SimuIating landsIides using two-phase two-point material point method [PDF]
E3S Web of Conferences, 2023 Material point method (MPM) is an effective numerical method for large-deformation analysis under unsaturated conditions. In the previous studies, water retention ability and permeability function were assumed to be Independent of soil deformation ...
Zhan Zhiqi, Zhou Chao
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Parameter estimation of soil water retention curve with Rao-1 algorithm
Journal of Agricultural Engineering, 2022 The soil water retention curve (SWRC) has a significant role in determining the unsaturated properties of soil. A stochastic optimization algorithm named Rao-1 algorithm is employed to estimate the parameters of the SWRC model in this paper.
Zhongju Wang, Chao Huang, Long Wang
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Water retention curve model based on micro-pore filling and capillary condensation theories
Rock and Soil Mechanics, 2021 Water retention curve (WRC) is an important tool to study the hydraulic and mechanical properties of unsaturated soils, such as permeability, strength and deformation properties.
LIU Zhang-rong +5 more
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Water retention curves of lightweight cemented soils [PDF]
E3S Web of Conferences, 2020 In the present paper an experimental investigation on water retention properties of lightweight cemented soils (LWCS) taking into account the effects of air foam content and curing time is presented. This experimental study, aimed at determining the suction range corresponding to significant changes in water content, is preliminary to future ...
Vitale E. +7 more
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Relating Hydraulic Conductivity Curve to Soil-Water Retention Curve Using a Fractal Model
Mathematics, 2020 In the study of water transference in soil according to Darcy law, the knowledge of hydrodynamic characteristics, formed by the water retention curve θ(ψ), and the hydraulic conductivity curve K(ψ) are of great importance. The first one relates the water
Carlos Fuentes +2 more
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Soil-water characteristic of biochar-clay mixture in the full suction range
Rock and Soil Mechanics, 2022 Soil-water characteristic curve (SWCC) plays an important role in defining the hydro-mechanical behavior of unsaturated soils. Biochar has the properties of porous structure, high specific surface area and high adsorption.
LI Ming-yu +3 more
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Estimation of soil water retention curve using fractal dimension
Journal of Applied Sciences and Environmental Management, 2018 The soil water retention curve (SWRC) is a fundamental hydraulic property majorly used to study flow transport in soils and calculate plant-available water.
Z.M. Seyedeh +3 more
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Spatial Variability of Water Retention Curve Fractal Dimension
ACI Avances en Ciencias e Ingenierías, 2015 The study of spatial variability of specific quantities characterizing the unsaturated soil is very important for the evaluation of polluting phenomena.
Samuele De Bartolo +3 more
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Parametric soil water retention models: a critical evaluation of expressions for the full moisture range [PDF]
Hydrology and Earth System Sciences, 2018 Few parametric expressions for the soil water retention curve are suitable for dry conditions. Furthermore, expressions for the soil hydraulic conductivity curves associated with parametric retention functions can behave unrealistically near ...
R. Madi +4 more
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Determination of soil-water retention curve: an artificial intelligence-based approach [PDF]
E3S Web of Conferences, 2020 Soil Water Retention Curve (SWRC) is a fundamental relationship in unsaturated soil mechanics, knowledge of which is essential for determining major mechanical and hydraulic properties of unsaturated soils. There are several empirical, semi-empirical and
Nikooee Ehsan +4 more
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