Investigations of variations in physical and mechanical properties of granite, sandstone, and marble after temperature and acid solution treatments

Z Huang, W Zeng, Q Gu, Y Wu, W Zhong… - Construction and Building …, 2021 - Elsevier
Natural rock is a very common building material, and its stability plays an important role in
the safety and durability of tunnels, rock slopes, and other projects. However, tunnels and …

Mechanical properties and thermo-chemical damage constitutive model of granite subjected to thermal and chemical treatments under uniaxial compression

J Pan, Y Zhang, P Li, X Wu, X Xi - Construction and Building Materials, 2023 - Elsevier
Fire, chemical actions, and other hidden dangers during construction and service often
threaten tunnels and other underground structures. This study investigated the strength and …

A damage constitutive model of rock-like materials containing a single crack under the action of chemical corrosion and uniaxial compression

J Pan, M Cai, P Li, Q Guo - Journal of Central South University, 2022 - Springer
To describe the deformation and strength characteristics of the corroded rock-like specimens
containing a single crack under uniaxial compression, a damage constitutive model …

The influence of cyclic wetting and drying on the fracture toughness of sandstone

W Hua, S Dong, Y Li, J Xu, Q Wang - International Journal of Rock …, 2015 - Elsevier
It is well known that there are some micro-cracks, pores or faults in a rock mass because of
the complexity of rock structure, and the essence of the rock material failure process is micro …

Fracturing and damage to sandstone under coupling effects of chemical corrosion and freeze–thaw cycles

T Han, J Shi, X Cao - Rock Mechanics and Rock Engineering, 2016 - Springer
Rapid freeze–thaw (FT) cycles were adopted to explore the damage deterioration
mechanism and mechanical properties of sandstone specimens under the coupling effects …

Shear strength of rock fractures under dry, surface wet and saturated conditions

B Li, X Ye, Z Dou, Z Zhao, Y Li, Q Yang - Rock Mechanics and Rock …, 2020 - Springer
For rock fractures, the degradations in the strength of contacting asperities and the surface
frictional resistance are responsible for the water-induced weakening in the shear strength …

Constitutive model and microscopic mechanism for sandstone strength softening damage

X Sun, F Shi, Z Luan, L Yang, J Ding, L He… - Rock Mechanics and …, 2023 - Springer
It is of great practical significance to study the microscopic mechanisms and strength
damage laws of deep rock masses under the coupling action of water and rock. The pore …

[HTML][HTML] Mechanical properties and damage constitutive model of sandstone after acid corrosion and high temperature treatments

Q Chen, Y Chen, P Xiao, X Du, Y Pan… - International Journal of …, 2023 - Elsevier
Aiming at the problem of temperature-mechanics-chemical (TMC) action encountered by
rocks in underground engineering, sandstone was selected as the sample for acid corrosion …

Microstructure evolution and damage mechanisms of concrete-rock-composite corrosion in acid environment

M Shen, Y Zhao, J Bi, C Wang, B Du - Journal of Building Engineering, 2024 - Elsevier
The acidic groundwater poses a significant threat to the durability of engineering structures,
primarily due to the combined effects of acid erosion. As an important material used in …

Damage evolution mechanism and constitutive model of freeze-thaw yellow sandstone in acidic environment

D Qu, D Li, X Li, LUO Yi, K Xu - Cold Regions Science and Technology, 2018 - Elsevier
The study on the damage evolution mechanism of freeze-thaw of rock sample in acidic
environment is of great theoretical and practical significance to the analysis and prevention …