Mechanism of strength degradation of frozen soil–rock mixture under temperature rise‐induced particle ice film ablation

L Tang, Z Lu, J Zheng, J Zheng, L Jin… - Permafrost and …, 2023 - Wiley Online Library
The mesoscale effect of climate change and engineering activities on a superficial frozen
soil–rock mixture (FSRM) in regions is complex. The decrease in strength caused by particle …

A thermo-poromechanical model for simulating freeze–thaw actions in unsaturated soils

B Li, E Norouzi, HH Zhu, B Wu - Advances in Water Resources, 2024 - Elsevier
This study presents a new fully coupled thermal-hydraulic-mechanical (THM) model for
variably saturated freezing soil, which examines the freeze–thaw (FT) actions. The model is …

Microstructure-based prediction of UHPC's tensile behavior considering the effects of interface bonding, matrix spalling and fiber distribution

X Wei, H Zhu, Q Chen, JW Ju, W Cai, Z Yan… - Cement and Concrete …, 2023 - Elsevier
Ultra-high performance concrete (UHPC) is an ideal construction material to cut down
carbon emissions due to its superior mechanical performance and durability. It is important …

Damage evolution and failure mechanism of coal sample induced by impact loading under different constraints

D Ji, H Zhao, SK Vanapalli - Natural Resources Research, 2023 - Springer
Abstract Information of rock strength under dynamic loading conditions is required in many
engineering applications. In this study, a specially designed impact loading device was …

[HTML][HTML] Estimating equivalent elastic properties of frozen clay soils using an XFEM-based computational homogenization

E Norouzi, B Li, RE Erkmen - Cold Regions Science and Technology, 2024 - Elsevier
This study addresses the challenge of estimating the elastic properties of heterogeneous
frozen clay soils by introducing a comprehensive approach that combines analytical and …

Theoretical and computational investigation of the fracturing behavior of anisotropic geomaterials

R Dimitri, M Rinaldi, M Trullo, F Tornabene - Continuum Mechanics and …, 2023 - Springer
The fracturing process in geomaterials is studied to characterize a potential host rock for
radioactive waste, such as the kaolinite-rich Opalinus Clay formation. Because of its …

Combination of digital image processing and random generation in modeling soil-rock mixture slopes for post-failure analyses by material point method

Y Wu, J Yan, Y Zhang, Y Kong, Z Song - Computers and Geotechnics, 2024 - Elsevier
Numerical analyses for the post-failure behaviors of soil-rock mixture (SRM) slope often
encounter the difficulties of reconstructing the highly heterogenous soil-rock structures. The …

The field-enriched finite element method with gravity effects for simulating the cracking behaviors of large-scale engineering rock masses

X Zhou, L Wang, J Zhang, Z Li, Y Zou - Engineering Fracture Mechanics, 2024 - Elsevier
The field-enriched finite element method uses a scalar field defined as a field variable to
describe cracks and characterize their impact on the displacement field and stress field of …

[HTML][HTML] Numerical evaluation of ground source heat pumps in a thawing permafrost region

E Norouzi, B Li, LL Wang, J Raymond, A Gaur… - Journal of Building …, 2024 - Elsevier
Permafrost degradation poses significant environmental and geological challenges in Arctic
and subarctic regions, particularly in areas like Umiujaq, Canada. The warming climate …

Optimized gradient boosting models and reliability analysis for rock stiffness C13

T Nguyen-Sy - Journal of Applied Geophysics, 2024 - Elsevier
The Extreme gradient boosting algorithm XGBoost has been confirmed to be an accurate
method for predicting rock stiffnesses and anisotropic parameters from basic input features …