The influence of isotropic loading and unloading on anisotropic evolution of saturated hydraulic conductivity of bentonite-sand mixtures in a cube triaxial permeameter

H Sadeghi, M Gholami, P AliPanahi, D Song - Engineering Geology, 2024 - Elsevier
Anisotropic permeability of bentonite mixtures governs water flow regime in buffer materials
such as landfill cover systems, cutoff walls, and high-level waste repositories. Because of its …

Semi-empirical modelling of hydraulic conductivity of clayey soils exposed to deionized and saline environments

A Hedayati-Azar, H Sadeghi - Journal of Contaminant Hydrology, 2022 - Elsevier
Clay liners are widely used as porous membrane barriers to control solute transport and to
prevent the leakage of leachate both in horizontal and vertical flow scenarios, such as the …

Theoretical and numerical study of contaminant transport in clayey barriers using a revised numerical model considering the dependency of membrane efficiency and …

H Sadeghi, A Hedayati-Azar - Heliyon, 2023 - cell.com
Solid waste is often buried in landfills isolated with a bentonite-based clay barrier to
guarantee the high quality of groundwater. As the efficiency of clay barriers is highly …

Slope stability of an unsaturated embankment with and without natural pore water salinity subjected to rainfall infiltration

S Hamed, K Ali… - Rock and Soil …, 2022 - rocksoilmech.researchcommons.org
Natural soils contain a certain amount of salt in the form of dissolved ions or electrically
charged atoms, originated from the long-term erosion by acidic rainwater. The dissolved salt …

Numerical modelling of soluble contamination transport in landfills based on empirical function of membrane efficiency

A Hedayati-Azar, H Sadeghi, AG Darzi… - … Waste Materials and …, 2022 - Springer
Clayey soils are widely used as barriers to control leachate leakage in landfills. Chemico-
osmosis is one of the important phenomena influencing soluble contamination transport …

Modeling water retention curve of GCL exposed to pore fluid with solute concentrations

AG Darzi, H Sadeghi, A Hedayati-Azar… - … Waste Materials and …, 2022 - Springer
Geosynthetic clay liners (GCLs) are synthetic materials manufactured and widely used in
geotechnical and geoenvironmental engineering due to their very low permeability and …

Soil columns for the investigation of bioremediation and moisture distribution in vadose zone

B Rahimi, H Sadeghi, H Moghimi… - Smart Geotechnics for …, 2023 - taylorfrancis.com
The development of industries has contaminated the soil both below and above the water
table. Although extensive research has been conducted on the contaminant transport …