Characterization and correlation of rock fracture-induced electrical resistance and acoustic emission

M Song, Q Hu, H Liu, Q Li, Y Zhang, Z Hu, J Liu… - Rock Mechanics and …, 2023 - Springer
Understanding the response mechanism of multiparameter rock fractures can improve the
accuracy of crack diagnosis. In this study, three types of rock samples with notches were …

Analysis of Fracture Characteristics of Ore Rock Based on GMTS Criterion

X Tang, W Wan, W Chen, Z Zhang - KSCE Journal of Civil Engineering, 2023 - Springer
In this paper, the Tongkaiyu ore-rock is taken as the research object, aiming to analyze the
fracture characteristics of the mixed type I, II and I–II faults in ore-rock by using the …

[HTML][HTML] Effects of bedding characteristics on crack propagation of coal under mode II loading: Experimental and numerical simulation

Z Sun, Y Zhao, Y Gao, X Wang, H Wang, B Liu… - Journal of Rock …, 2024 - Elsevier
The fracture network of hydraulic crack is significantly influenced by the bedding plane in
coalbed methane extraction. Under mode II loading, crack deflection holds a key position in …

Mechanical Behaviors and Acoustic Emission Fractal Characteristics of Bump-Prone Coal under Different Loading Rates

B Liu, X Sun, C Ling, Z Huang, H Zhang - Fractal and Fractional, 2022 - mdpi.com
Coal and rock dynamic disasters occur frequently in deep coal mining. The loading rate
affects the mechanical properties and behaviors. Uniaxial compression acoustic emission …

Investigating the influence of geometric configurations and loading modes on mixed mode I/II fracture characteristics of rocks: Part I-Numerical simulation

L Wang, H Liu, X Zhou - Engineering Fracture Mechanics, 2024 - Elsevier
The influence of geometric configurations and loading modes is a bottleneck that restricts
the accurate determination of rock fracture parameters and the precise understanding of …

Failure mechanisms of coarse-grained sandstone under pure mode I/II loading: insights from energy evolution and acoustic emission

Z Liu, C Ma, X Wei, W Yi, J Lei - Nondestructive Testing and …, 2024 - Taylor & Francis
Tensile and shear failure are the main damage modes of rocks in geotechnical engineering.
To investigate the energy evolution and failure characteristics of coarse-grained sandstone …

Mechanical Behavior and Acoustic Emission Characteristics of Sandstone Under Different Cyclic Loading and Unloading Disturbance Rates

P Wang, L Bin, C Ling, Q Ren, B Xu… - Energy Science & …, 2024 - Wiley Online Library
The frequency of dynamic disasters is escalating in deep coal mining, with an increasing
number of disasters induced by the combined static and dynamic loading. To investigate the …

Failure characteristic and acoustic emission spatio‐temporal evolution of coal under different cyclic loading rates

B Liu, Y Zhao, X Hua, C Ling… - Energy Science & …, 2023 - Wiley Online Library
The coal and rock dynamic disasters occur more and more frequently in deep mining, which
is tightly correlated to the instability of coal pillars under high stress and cyclic disturbance …

Study on Fracture Characteristics of Layered Sandstone under Asymmetric Loading

R Hao, Y Zhou, L Liao, NS Teah, W Xue, Z Liao - Materials, 2024 - mdpi.com
In engineering practice, layered rock masses often display obvious anisotropy while
deforming and failing, and the failure mode directly impacts the engineering construction …

Study on the Mechanical and Energy Evolution Characteristics of Oxidized Coal

R Pan, R Yu, J Chao, H Jia, J Wang… - Combustion Science and …, 2024 - Taylor & Francis
To study the variation laws of the mechanical properties of coal with different oxidation
degrees, coal samples were subjected to constant temperature oxidation at 80° C, 120° C …