Water saturation effects on dynamic behavior and microstructure damage of sandstone: phenomena and mechanisms

X Cai, Z Zhou, H Zang, Z Song - Engineering Geology, 2020 - Elsevier
Underground rock structures are frequently subjected to water erosion and dynamic
disturbance simultaneously. Herein, in order to study the coupled effects of water and high …

Investigating the crack initiation and propagation mechanism in brittle rocks using grain-based finite-discrete element method

XF Li, HB Li, LW Liu, YQ Liu, MH Ju, J Zhao - International Journal of Rock …, 2020 - Elsevier
Fracturing process and possible factors influencing crack initiation, propagation and
coalescence of granitic rocks are investigated using a grain-based finite-discrete element …

Dynamic strength and full-field cracking behaviours of pre-cracked rocks under impact loads

L Liu, H Li, G Zhang, S Fu - International Journal of Mechanical Sciences, 2024 - Elsevier
The impact loads have a significant influence on the dynamic strength and cracking
behaviours of pre-cracked rocks, which plays a key role in the stability and safety of rock …

Fracture behavior and damage mechanisms of sandstone subjected to wetting-drying cycles

X Cai, Z Zhou, L Tan, H Zang, Z Song - Engineering Fracture Mechanics, 2020 - Elsevier
Rocks are usually subjected to cyclic wetting-drying due to the periodical changes in moist
condition. To investigate the effect of wetting-drying cycles on the fracture behavior of …

Effect of confining pressure and strain rate on mechanical behaviors and failure characteristics of sandstone containing a pre-existing flaw

W You, F Dai, Y Liu, Z Yan - Rock Mechanics and Rock Engineering, 2022 - Springer
In underground engineering constructions, fractured rock masses are likely to be subjected
to three-dimensional static stress and dynamic loading simultaneously. In this study, via a …

Predicting the failure of different rocks subjected to freeze-thaw weathering using critical slowing down theory on acoustic emission characteristics

Z Zhou, B Ullah, Y Rui, X Cai, J Lu - Engineering Geology, 2023 - Elsevier
Freeze-thaw weathering effectively deteriorates the physical and mechanical properties of
rocks and seriously threatens the stability of engineering projects in cold regions. This study …

Water-induced variations in dynamic behavior and failure characteristics of sandstone subjected to simulated geo-stress

X Cai, Z Zhou, X Du - International Journal of Rock Mechanics and Mining …, 2020 - Elsevier
In underground rock engineering, rock structures at great depth are commonly subjected to
water infusion, static geo-stress as well as the dynamic disturbances. It is thus essential to …

Fracture behaviors and damage evolution anisotropy of granite under coupling of multiaxial confinement and dynamic loading

H Gong, Y Luo, J Zhou, C Zhao, X Li - Rock Mechanics and Rock …, 2023 - Springer
Granite, as a typical anisotropic hard and brittle rock, is generally in a uniaxial, biaxial, or
triaxial state of stress in deep underground engineering and is frequently influenced by …

Material embrittlement in high strain-rate loading

X Yang, B Zhang - International Journal of Extreme …, 2019 - iopscience.iop.org
Material embrittlement is often encountered in machining, heat treatment, hydrogen and low-
temperature conditions among which machining is strain-rate related. More strain-rate …

Strain rate-dependency of thermal infrared radiation of sandstone subjected to dynamic loading: Insights from a lab testing

X Cai, J Yuan, Z Zhou, Y Wang, L Chen, Y Liu… - International Journal of …, 2024 - Elsevier
Rocks are generally deformed and fractured upon various scales of strain rates.
Understanding the strain rate effects on the thermal infrared radiation (IR) characteristics of …