Tensile mechanical behavior and fracture characteristics of sandstone exposed to freeze-thaw treatment and dynamic loading

X Liu, Y Liu, F Dai, Z Yan - International Journal of Mechanical Sciences, 2022 - Elsevier
Rock masses in high-elevation or cold areas are vulnerable to the joint results of freeze-
thaw (FT) action and dynamic loading, it is thus significant to evaluate the tensile mechanical …

A novel low-temperature thermo-mechanical coupling model for frost cracking simulation using the finite-discrete element method

L Sun, Q Liu, S Tao, G Grasselli - Computers and Geotechnics, 2022 - Elsevier
Frost cracking is widely prevalent in cold areas and is typically associated with the
deterioration of rock masses. A better understanding of the frost cracking mechanism and …

Frost crack propagation and interaction in fissured rocks subjected to freeze–thaw cycles: experimental and numerical studies

L Sun, S Tao, Q Liu - Rock Mechanics and Rock Engineering, 2023 - Springer
Frost crack evolution induced by cyclic freeze–thaw is responsible for rock deterioration in
cold regions and poses major threats to public safety, engineering structures, and alpine …

Investigating mechanical behaviors of rocks under freeze–thaw cycles using discrete element method

C Huang, C Zhu, Y Ma, S Aluthgun Hewage - Rock Mechanics and Rock …, 2022 - Springer
In this study, we adopt the Discrete Element Method (DEM) to evaluate the influence of
Freeze–Thaw Cycles (FTCs) action on the mechanical properties of rock. To overcome the …

Modelling of gas-driven fracturing and fragmentation in liquid CO2 blasting using finite-discrete element method

B Wang, H Li, H **ng, X Li - Engineering Analysis with Boundary Elements, 2022 - Elsevier
The high-pressure gas combined with the action of the stress wave has a significant effect to
drive fractures and enhance fragmentation in CO 2 blasting. Modelling the whole process …

Strength deterioration and damage mechanism of grout-reinforced fractured sandstone under the coupled effects of acidic erosion and freeze-thaw cycles

H Zhang, T Liu, Y Cui, W Wang, X Yang… - Construction and Building …, 2024 - Elsevier
To investigate the effects of acidic erosion coupled with freeze-thaw (ft) cycles on the
strength and stability of grout-reinforced red sandstone, specimens with full-penetrating and …

Investigating Mechanical Characteristics of Rocks Under Freeze–Thaw Cycles Using Grain-Based Model

C Huang, C Zhu, Y Ma - Rock Mechanics and Rock Engineering, 2025 - Springer
Based on the discrete element method (DEM), a water-contained grain-based model (GBM)
is developed in this study to evaluate the effects of freeze–thaw cycles (FTCs) on the …

Dynamic tensile properties of sandstone under coupling effects of water chemical corrosion and freeze-thaw cycles at sub-zero temperatures

Y Xu, T Yue, B Wu, Q Wang, C Cheng, Z Xu - Construction and Building …, 2025 - Elsevier
In extremely cold regions, it is essential to investigate the coupling effects of water chemical
corrosion (WCC) and freeze-thaw cycle (FTC) on the dynamic mechanical properties of …

The effects of cooling on fine-grained sandstone in relation to wellbore injection of carbon dioxide

N Reppas, CT Davie, Y Gui, B Wetenhall… - Rock Mechanics and …, 2023 - Springer
Abstract In Carbon Capture and Storage (CCS) procedures, it is important to determine the
stability of the wellbore during carbon dioxide (CO2) injection and part of this involves …

Pore structure expansion and evolution in sandstone with prefabricated crack under freeze-thaw cycles based on CT scanning

X Zhang, X Luo, X He, S Niu - Frontiers in Earth Science, 2024 - frontiersin.org
In cold regions, rocks undergo periodic temperature fluctuations, resulting in deterioration in
pore structure and mechanical behavior. This degradation can lead to instability in rock …