Uncertainty investigation for the classification of rock micro-fracture types using acoustic emission parameters

L Dong, Y Zhang, S Bi, J Ma, Y Yan, H Cao - International Journal of Rock …, 2023 - Elsevier
Classification of rock micro-fractures by acoustic emission (AE) parameters is of great
significance for rock health monitoring, instability assessment, and precursor warning. But …

Acoustic emission characteristics and failure mode analysis of rock failure under complex stress state

S Li, D Yang, Z Huang, Q Gu, K Zhao - Theoretical and Applied Fracture …, 2022 - Elsevier
To study the acoustic characteristics and failure mode of the rock failure process under a
complex stress state, acoustic emission (AE) monitoring technology was employed to collect …

Influence of water content on energy partition and release in rock failure: implications for water-weakening on rock-burst proneness

Z Zhou, P Wang, X Cai, W Cao - Rock Mechanics and Rock Engineering, 2023 - Springer
As a common disaster in deep-buried hard rock engineering projects, rock-bursts seriously
threaten the safety of workers and facilities. Water infusion in rock mass before excavation is …

Investigations and new insights on the relation between the valid interval of the Kaiser effect and the characteristic stress

K Zhao, D Yang, Z Huang, C Gong, P Zeng… - Earth-Science …, 2024 - Elsevier
Based on the systematic summary and analysis of a large number of relevant literatures,
combined with the authors' related research findings, some new insights are presented on …

Investigation of high-temperature effects on the strengthening and degradation of mechanical property in sandstone

L Zhang, D Yang, K Zhao, Y Zhao, J **, X Wang, L Zhu… - Applied Energy, 2024 - Elsevier
The underground coal gasification (UCG) mining technology constitutes an innovative form
of clean energy technology pertaining to coal resources. The sandstone specimens from the …

Study of mechanical characteristics and damage mechanism of sandstone under long-term immersion

P Han, C Zhang, X Wang, L Wang - Engineering Geology, 2023 - Elsevier
The microscopic pore structure of sandstone gradually changes under long-term immersion,
resulting in dynamic changes in the mechanical and damage properties of sandstone, which …

Uncovering the progressive failure process of primary coal-rock mass specimens: Insights from energy evolution, acoustic emission crack patterns, and visual …

X Yu, J Zuo, L Mao, X Xu, B Lei, S Zhao - International Journal of Rock …, 2024 - Elsevier
The failure and instability of deep coal-rock mass structures, which are influenced by mining
disturbances, are major contributors to disasters like rock bursts. This study involved …

Experimental investigation on the effect of water saturation on the failure mechanism and acoustic emission characteristics of sandstone

R Xu, Y Hu, Z Yan, Y Zhao, Z Li - International Journal of …, 2024 - ascelibrary.org
In-depth investigations into the effect of water saturation on the damage and failure
mechanisms of rock have significance for analyzing the stability of the surrounding rock in …

Experimental study on uniaxial compression failure modes and acoustic emission characteristics of fissured sandstone under water saturation

J Chen, Y Ye, Y Pu, W Xu, D Mengli - Theoretical and Applied Fracture …, 2022 - Elsevier
Widely distributed fissures in the open-pit slope (especially those which are in water-rich
conditions) determine the slope stability. In order to study the effects of water and fissures on …

Strength and acoustic emission weakening mechanism of sandstone after prolonged water immersion: Insights from micro-fracture

T Cheng, H Li, M He, Y **ao - Engineering Fracture Mechanics, 2023 - Elsevier
In this study, a series of uniaxial compression and acoustic emission (AE) tests were
conducted on sandstone specimens immersed in water for different durations (0–720 h). The …