Application of machine learning algorithms to model soil thermal diffusivity

K Li, R Horton, H He - International Communications in Heat and Mass …, 2023 - Elsevier
Soil thermal diffusivity (k) is an important thermal property that significantly affects ground
energy storage and heat transfer. Direct measurements of soil thermal diffusivity are …

A data-driven method to model stress-strain behaviour of frozen soil considering uncertainty

KQ Li, ZY Yin, N Zhang, Y Liu - Cold Regions Science and Technology, 2023 - Elsevier
Various experiments and computational methods have been conducted to describe the
mechanical behaviours of frozen soils. However, due to high nonlinearity and uncertainty of …

A hybrid SVR-BO model for predicting the soil thermal conductivity with uncertainty

KQ Li, ZY Yin, Y Liu - Canadian Geotechnical Journal, 2023 - cdnsciencepub.com
This study proposes a generalised framework for developing a hybrid machine learning
(ML) model that combines support vector regression (SVR) with hyperparameter …

Stochastic bearing capacity and failure mechanism of footings placed adjacent to slopes considering the anisotropic spatial variability of the clay undrained strength

H Zhou, J Zhang, X Yu, Q Hu, G Zheng… - International Journal …, 2024 - ascelibrary.org
The aim of this study is to investigate the influence of the anisotropic variability in soil on the
failure mechanism and the ultimate bearing capacity of foundations that are placed near …

Random forest approach to estimate soil thermal diffusivity: Evaluation and comparison with traditional pedotransfer functions

P Peng, L Liu, TA Arkhangelskaya, AY Mady… - Soil and Tillage …, 2024 - Elsevier
Pedotransfer functions (PTFs) are widely used in science and engineering to calculate soil
thermal diffusivity (κ) as a function of soil moisture content and other soil physical properties …

Scale effect on the apparent anisotropic hydraulic conductivity of geomaterials

KQ Li, G Chen, Y Liu, ZY Yin - ASCE-ASME Journal of Risk and …, 2023 - ascelibrary.org
Abstract Properties of geomaterials often exhibit stratification and anisotropy due to various
influencing factors such as weathering and sedimentation. However, the measurement of …

Pull-out debonding characteristics of rockbolt with prefabricated cracks in rock: a numerical study based on particle flow code

H Shi, H Zhang, W Chen, L Song, M Li - Computational Particle …, 2024 - Springer
The bonding damage of the bolt-rock mass interface determines the stability of supported
structures. To investigate the pull-out debonding characteristics of rockbolt, a rockbolt pull …

A numerical simulation study on the spontaneous imbibition and hydro-thermal coupling in soil using the lattice Boltzmann method

C Shen, K Cui, S Wei, D Zhang, S Zhang… - … Communications in Heat …, 2024 - Elsevier
This study presents a numerical simulation of underground water spontaneous upward
imbibition at high density ratios using the improved lattice Boltzmann method coupled with …

Study on the effective thermal conductivity of typical light petroleum hydrocarbons-contaminated soil at low temperatures

YF Wu, YH Wu, Q Wang, LW Fan, ZT Yu, XD Li… - International Journal of …, 2025 - Elsevier
In situ thermal desorption (ISTD) has widely been applied for remediating petroleum
hydrocarbons (PHs)-contaminated sites. Towards decarbonization of the energy-intensive …

Improvement of normalized prediction model of soil thermal conductivity

C Wang, YL Yang, G Cai, T Zhang - International Communications in Heat …, 2024 - Elsevier
Soil thermal conductivity (k) is an important parameter for geotechnical engineering
temperature field analysis and energy pile design. It is affected by various factors such as …