Estimation of unsaturated shear strength from soil–water characteristic curve

Q Zhai, H Rahardjo, A Satyanaga, G Dai - Acta Geotechnica, 2019 - Springer
Many shallow foundations are constructed within the soil layer above the groundwater table,
where the soil remains unsaturated, and the failure of shallow foundation is mostly related to …

Framework to estimate the soil-water characteristic curve for soils with different void ratios

Q Zhai, H Rahardjo, A Satyanaga, G Dai… - Bulletin of Engineering …, 2020 - Springer
The soil-water characteristic curve (SWCC) contains information regarding the geometric
pore space in a soil and is commonly used to estimate unsaturated soil properties, such as …

Reliability analysis of unsaturated slope stability considering SWCC model selection and parameter uncertainties

DQ Li, L Wang, ZJ Cao, XH Qi - Engineering Geology, 2019 - Elsevier
Soil-water characteristic curve (SWCC) is usually estimated by fitting a prescribed
parametric model to a limited number of test data. Uncertainties in estimated SWCC are …

A new model to determine the thermal conductivity of fine-grained soils

J Bi, M Zhang, W Chen, J Lu, Y Lai - International Journal of Heat and Mass …, 2018 - Elsevier
In the study, a three-parameter model was presented to calculate the thermal conductivity at
full range of degree of saturation (S) for fine-grained soils based on the Fredlund and **ng …

Estimation of tensile strength of sandy soil from soil–water characteristic curve

Q Zhai, H Rahardjo, A Satyanaga, G Dai - Acta Geotechnica, 2020 - Springer
During heavy rainfalls, the surface soil on a slope may be eroded and the erosion is much
dependent on the tensile strength of soil. In addition, the tensile strength of soil is also one of …

Effect of bimodal soil-water characteristic curve on the estimation of permeability function

Q Zhai, H Rahardjo, A Satyanaga - Engineering Geology, 2017 - Elsevier
Soil-water characteristic curve (SWCC) defines the relationship between water content and
suction in soil. Many unsaturated properties can be estimated from SWCC such as …

Role of the pore-size distribution function on water flow in unsaturated soil

Q Zhai, H Rahardjo, A Satyanaga, G Dai - Journal of Zhejiang …, 2018 - dr.ntu.edu.sg
The hydraulic properties of soil (ie soil-water characteristic curve (SWCC) and coefficient of
permeability) govern the moisture flow in it. Previous research has indicated that the …

Estimation of air permeability function from soil-water characteristic curve

Q Zhai, H Rahardjo, A Satyanaga - Canadian Geotechnical …, 2019 - cdnsciencepub.com
The multiphase flow (including liquid flow and air flow) in unsaturated soil is related to many
engineering problems such as contaminant transport, rainwater infiltration, and soil-water …

A method for estimating soil water characteristic curve with limited experimental data

X Ren, J Kang, J Ren, X Chen, M Zhang - Geoderma, 2020 - Elsevier
Because of the difficulty to reach high suction at the residual state of unsaturated soils, the
saturation-suction experimental data for soil water characteristic curve (SWCC) is often …

A soil-brine retention model for wetting processes considering the hysteresis effects

AG Darzi, H Sadeghi, C Zhou - Transportation Geotechnics, 2023 - Elsevier
Wetting hydrological processes are relevant to a considerable number of natural hazards,
including landslides, dam breaks, surface runoff after floods, etc. The notable difference …