Study on the damage mechanism and evolution model of preloaded sandstone subjected to freezing–thawing action based on the NMR technology

S Lian, W Wan, Y Zhao, W Peng, C Du… - Reviews on Advanced …, 2024 - degruyter.com
Investigating the damage degradation of rock during the freezing and thawing process is
more consistent with the actual engineering environment, considering its internal initial …

Mechanism research on surface hydration of kaolinite, insights from DFT and MD simulations

J Chen, F Min, L Liu, C Liu - Applied Surface Science, 2019 - Elsevier
The surface hydration is one of the main reasons for the difficulty of coal slurry water
sedimentation and dewatering, the Density functional theory (DFT) and Molecular dynamics …

Microstructural evolution of expansive clay during drying–wetting cycle

T Ma, C Wei, C Yao, P Yi - Acta Geotechnica, 2020 - Springer
This paper presents a comprehensive investigation on the microstructural evolutions of
expansive clay during a drying–wetting cycle, including pore size distribution (PSD) via …

Effect of water saturation on uniaxial compressive strength and damage degree of clay-bearing sandstone under freeze-thaw

Y Liu, Y Cai, S Huang, Y Guo, G Liu - Bulletin of Engineering Geology and …, 2020 - Springer
The previous researches mainly focused on the freeze-thaw damage of fully saturated rocks.
However, most of the nature rocks experience incomplete water saturation and it may not …

Research on the effect of pore characteristics on the compressive properties of sandstone after freezing and thawing

F Meng, Y Zhai, Y Li, R Zhao, Y Li, H Gao - Engineering Geology, 2021 - Elsevier
Freeze-thaw (FT) cycles in cold regions have a huge effect on the stability of surrounding
rock. Sandstone in the Tongchuan area of northwestern China was used as the research …

Identification and quantification of soil water components in kaolin by thermogravimetric and kinetic analysis

Y Wang, L Hu, Z Yin - Engineering Geology, 2023 - Elsevier
Different types of soil water, such as bound water and capillary water, have distinct effects on
the physicochemical and engineering properties of soils, particularly unsaturated clayey …

Oil occurrence mechanism in nanoporous shales: A theoretical and experimental study

P Zhang, S Lu, J Li, J Wang, J Zhang - Marine and Petroleum Geology, 2023 - Elsevier
In tight shales, occurrence characteristics limit oil migration and recovery. This paper
proposes an innovative approach based on experimental and theoretical models to …

Effect of water content on the mechanical properties and deformation characteristics of the clay-bearing red sandstone

S Huang, Y He, G Liu, Z Lu, Z Xin - Bulletin of Engineering Geology and …, 2021 - Springer
The presence of water has a great influence on the strength and deformation of clay-bearing
sandstone. Most of the natural rocks suffer water softening of different saturations. In this …

Study on freezing-thawing damage mechanism and evolution model of concrete

Y Zhao, S Lian, J Bi, C Wang - Theoretical and Applied Fracture …, 2022 - Elsevier
Freezing-thawing (FT) cycle is one of the main reason of concrete damage in cold regions.
FT cycle mainly lead to degradation of macroscopic mechanical properties of concrete by …

Adsorption mechanism of water molecules on hematite (1 0 4) surface and the hydration microstructure

H Zhang, Z Xu, D Chen, B Hu, Q Zhou, S Chen… - Applied Surface …, 2021 - Elsevier
The interactions between water and oxide surfaces play an important role in many fields. In
this work, the adsorption mechanism of water molecules on hematite (1 0 4) surface and the …