Stress effects on thermal conductivity of soils and heat transfer efficiency of energy piles in the saturated and unsaturated soils

S Cui, C Zhou, J Liu, DB Akinniyi - Computers and Geotechnics, 2023 - Elsevier
Soils surrounding energy piles are often subjected to high overburden pressure. So far, the
stress effects on the thermal conductivity of soils and hence the thermal performance of …

Review and Measurement of Thermal Properties of Soil Amended with Different Biochar Types Considering Unsaturated Soil Perspective

X Liu, B Chen, A Garg, X Song, N Satyam - Indian Geotechnical Journal, 2024 - Springer
The role of biochar (a carbon negative material) in modifying soil thermal properties, a
critical aspect in advancing soil management and geotechnical engineering practices have …

A new model to predict soil thermal conductivity

K Xiong, Y Feng, H Jin, S Liang, K Yu, X Kuang… - Scientific Reports, 2023 - nature.com
Thermal conductivity is a basic parameter of soil heat transferring, playing an important role
in many fields including groundwater withdrawal, ground source heat pump, and heat …

Thermal conductivity function for fine-grained unsaturated soils linked with water retention by capillarity and adsorption

Y Lu, JS McCartney - Journal of Geotechnical and …, 2024 - ascelibrary.org
A thermal conductivity function (TCF) is proposed for unsaturated fine-grained soils
describing the evolution of thermal conductivity with respect to degree of saturation at room …

High-resolution monitoring of soil infiltration using distributed fiber optic

C Sun, CS Tang, F Vahedifard, Q Cheng, A Dong… - Journal of …, 2024 - Elsevier
Monitoring the infiltration process in soil is of great importance in various fields. However,
the majority of existing infiltration monitoring methods have certain limitations that hinder …

Coupled effects of stress state and void ratio on thermal conductivity of saturated soils

SQ Cui, C Zhou - Géotechnique Letters, 2022 - icevirtuallibrary.com
Soils surrounding energy geostructures (eg energy piles and borehole heat exchangers)
always have different overburden pressures and void ratios. Their thermal conductivities are …

A state surface model of unsaturated soil considering thermal and adsorptive effects

S Liu, Y Xiao, Y Sun, H Cui, G Ma, H Liu - Computers and Geotechnics, 2025 - Elsevier
Constructing soil water retention curve model involving thermal, mechanical, and hydraulic
hysteresis is essential for accurately predicting the retention characteristics of unsaturated …

A sigmoidal model for predicting soil thermal conductivity-water content function in room temperature

AR Sepaskhah, M Mazaheri-Tehrani - Scientific Reports, 2024 - nature.com
Apparent thermal conductivity of soil (λ) as a function of soil water content (θ), ie, λ (θ) is
needed to determine the heat flow in soil. The function of λ (θ) can be used in heat and water …

A General Model for Temperature-Dependent Soil Suction

M Ajdari, F Vahedifard - Journal of Geotechnical and …, 2024 - ascelibrary.org
Soil suction is a crucial parameter that affects the behavior of unsaturated soils. The impact
of temperature on suction can lead to significant changes in the hydromechanical response …

Effect of the interlayer on soil temperature and the transformation between phreatic water and soil water under laboratory freeze-thaw action

J Chen, J Ren, E Wang, L Cui, J Xue… - Frontiers in Earth …, 2023 - frontiersin.org
To reveal the effect of interlayer on the temperature of freeze-thaw soil and the
transformation between phreatic water and soil water in shallow groundwater areas, a …