Predicting saturated and unsaturated hydraulic conductivity of bentonite with data-driven and physics-guided machine learning models [PDF]
Scientific ReportsAccurate prediction of saturated and unsaturated hydraulic conductivity of bentonite is critical for assessing the long-term safety of high-level radioactive waste repositories, where barrier efficiency depends on coupled processes. This study develops a
Muntasir Shehab +2 more
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Unsaturated Hydraulic Conductivity in Composite Porous Media
Applied Sciences, 2022 Determining the constitutive properties that describe the incipient hydraulic behavior of the materials, including the matrix domains and the distribution of macro and micropores, is crucial to analyzing the preferential water flow in saturated soils, ks,
Jhan Piero Rojas +2 more
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A Simple Model for Estimating the Hydraulic Conductivity of Unsaturated Soil
Applied SciencesDescribing the hydraulic conductivity of unsaturated soil is very important in predicting water transport. Most current models have complex forms and generally need to be calibrated by the measured unsaturated hydraulic conductivity curve. A simple model,
Ziran Zhang, Maosheng Zhang
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Effect of Soil-Water Characteristic Curve on the Stability of Unsupported Vertical Trenches in Unsaturated Soils [PDF]
E3S Web of Conferences, 2023 In geotechnical engineering practice, unsupported vertical trenches are typically excavated in unsaturated soils. In this case, the variation of shear strength and hydraulic conductivity with respect to soil suction is key information to analyze the ...
Oh Won-Taek, Bajestani Mahsa
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DIMENSIONAL ANALYSIS TO ESTIMATE THE UNSATURATED HYDRAULIC CONDUCTIVITY OF A SANDY LOAM SOIL IN THE AGRICULTURAL FIELD [PDF]
Engenharia Agrícola, 2022 Hydraulic conductivity in unsaturated soil controls water movement and measuring it in agricultural fields is a challenging task requiring time-consuming, costly, and skilled experimentation. This study was conducted to reduce the cost of experimentation
Naji Mordi Naji Al-Dosary +2 more
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Evaluation of sand-clay-anionic polyacrylamide blends for alternative compacted clay landfill liner design [PDF]
MATEC Web of Conferences, 2021 In this project, an innovative low hydraulic conductivity material for landfill cover and liner construction was studied. The material is a blend of natural clayey soil from Comodoro Rivadavia city (Chubut province, Argentina) mixed with fine uniform ...
Codevilla Mauro +5 more
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A rapid determination method of hydraulic conductivity in full suction range
Rock and Soil Mechanics, 2022 The hydraulic conductivity function of unsaturated soil spans several orders of magnitude. Traditional measurement methods often take several months, and it is difficult to measure the hydraulic conductivity in the full suction range. In order to realize
LIU A-qiang +3 more
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Estimating unsaturated hydraulic conductivity of sandy soils using different pedotransfer functions
Shui kexue jinzhan, 2013 This study tested the ability of four published pedotransfer functions(PTFs)(including ROSETTA,RAWLS,CAMPBELL and VAUCLIN) to predict unsaturated hydraulic conductivity for 56 sandy soil samples from the UNSODA database.Different PTFs for the estimation ...
LIAO Kaihua +3 more
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Biochar, 2023 In the past few decades, numerous studies have been conducted to promote the use of biochar as a soil amendment and most recently, for compacted geo-engineered soils.
Ankit Garg +4 more
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Prediction of the absolute hydraulic conductivity function from soil water retention data [PDF]
Hydrology and Earth System Sciences, 2023 For modeling flow and transport processes in the soil–plant–atmosphere system, knowledge of the unsaturated hydraulic properties in functional form is mandatory.
A. Peters +6 more
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