Digital evaluation of micro-pore water effects on mechanical and damage characteristics of sandstone subjected to uniaxial, cyclic loading–unloading compression by …

XP Zhou, DC Jiang, Z Zhao - Rock Mechanics and Rock Engineering, 2022 - Springer
Water existing in micro-pores has tremendous influences on the mechanical and damage
characteristics of rocks. This study aims to investigate the micro-pore water effects on the …

Pore-scale diffusivity and permeability evaluations in porous geomaterials using multi-types pore-structure analysis and X-μCT imaging

Z Zhao, XP Zhou - Journal of Hydrology, 2022 - Elsevier
Pore-scale permeability and diffusivity are two paramount parameters to determine the
hydraulic and transport properties in porous geomaterials. To well understand pore-scale …

Microscopic Characterizations of Heterogeneous Pores, ITZs, Multiple‐Solids, and Their Impacts on Damage Property of Sandstone by Low‐High Resolution 3D …

Z Zhao, XP Zhou - Geophysical Research Letters, 2021 - Wiley Online Library
Heterogeneity representations of rocks can bring out large errors due to inaccurate partitions
of different phases. This study aims to deeply characterize the microscopic heterogeneity in …

3D characterization of porosity and minerals of low-permeability uranium-bearing sandstone based on multi-resolution image fusion

B Sun, SS Hou, S Zeng, X Bai, SW Zhang… - Nuclear Science and …, 2020 - Springer
In the process of in situ leaching of uranium, the microstructure controls and influences the
flow distribution, percolation characteristics, and reaction mechanism of lixivium in the pores …

Review of Methods to Solve Desiccation Cracks in Clayey Soils

HU Levatti - Geotechnics, 2023 - mdpi.com
This paper reviews numerical methods used to simulate desiccation cracks in clayey soils. It
examines five numerical approaches: Finite Element (FEM), Lattice Boltzmann (LBM) …

On the effect of freeze-thaw on fracture and instability of hole-fissure-contained granite under uniaxial variable frequency-amplitude cyclic loads

Y Wang, C Zhu, Z Song, T Mao - Cold Regions Science and Technology, 2022 - Elsevier
This work aims at investigating the fracture and instability behaviors of Xinjiang granite
containing hole and fissures under freeze-thaw (FT) and cyclic loads using acoustic …

Pore-scale hydraulic properties of virtual sandstone microstructures: spatial variations and voxel scale effects

Z Zhao, XP Zhou, JW Chen - Archives of Civil and Mechanical …, 2022 - Springer
This paper aims at studying spatial variations and voxel scale effects on digital-permeability
of sandstone reservoirs at small-scale. X-ray μ-CT imaging is applied to capture various …

Quantifying the permeability enhancement from blast-induced microfractures in porphyry rocks using a cumulant lattice Boltzmann method

TR Mitchell, A Roslin, Ł Łaniewski-Wołłk… - Transport in Porous …, 2023 - Springer
The permeability of rocks is important in a range of geoscientific applications, including CO 2
sequestration, geothermal energy extraction, and in situ mineral recovery. This work …

Digital Microscopic Multiphase Heterogeneity Representation and Its Effects on Micromechanics and Cracking Behaviors of Geomaterials

Z Zhao, XP Zhou - Rock Mechanics and Rock Engineering, 2024 - Springer
Multiphase heterogeneity significantly affects mechanical and micro-cracking properties of
geomaterials. Heterogeneity representations of geomaterials, however, can bring out fatal …

Strain energy evolution and damage characteristics of deep clay under different stress rates

F Song, X Huang, T Luo, J Zou, R Fu - Journal of Central South University, 2022 - Springer
Deformation and failure of deep clay samples are closely related to energy changes.
Investigating the energy conversion and damage behavior of deep clay during loading and …