Experimental study on the damage evolution behavior of coal under dynamic Brazilian splitting tests based on the split Hopkinson pressure bar and the digital image …

X Li, Z Liu, E Zhao, Y Liu, X Feng, Z Gu - Natural Resources Research, 2023 - Springer
Fully understanding the dynamic tensile behavior of coal is of great significance to the
prevention and control of rock burst in underground coal resource mining. In this study, the …

[HTML][HTML] In-situ deformation and fracturing characteristics of geomaterials under dynamic loading: Insights from ultra-high-speed X-ray phase contrast imaging and …

HC Wang, K Liu, B Lukic, WR Hu… - International Journal of …, 2024 - Elsevier
Dynamic loadings, such as earthquakes, blasts, and impacts, are commonly encountered in
mining and underground infrastructures, and therefore predicting the failure of geomaterials …

Study on Impact Dynamic Behavior and Failure Characteristics of Coal based on True Triaxial Split–Hopkinson Pressure Bar Experiments

R Shen, Z Gu, Z Liu, E Zhao, Z Zang, X Zhou… - Natural Resources …, 2023 - Springer
Full understanding of dynamic mechanical characteristics of coal samples under true triaxial
condition is of great significance for preventing and controlling deep coal and rock dynamic …

Tensile mechanical properties and fracture evolution characteristics of sandstone containing parallel pre-cracks under dynamic loading

G Feng, X Yang, J Bai, K Wang, R Pan, X Shi… - Theoretical and Applied …, 2023 - Elsevier
Parallel cracks have a significant influence on the dynamic tensile failure behavior of rock.
The systematic investigation of dynamic tensile mechanical properties and fracture evolution …

Mechanical behaviour and spatial fracture characteristics of weakly filled granite with different diameters under uniaxial loading revealed by 3D DIC and AE …

L Yang, F Zhang, J You, D Man, J Gao… - Bulletin of Engineering …, 2024 - Springer
The mechanical behaviour and failure characteristics of weakly filled granite are important
factors affecting the safety and stability of rock masses. This paper presents an experimental …

Damage Evolution During Rock Dynamic Compression Revealed by Wavelet Analysis of Acoustic Emission Signals

L Yang, B Wu, Y Xu, Y Fu, K Xia - Rock Mechanics and Rock Engineering, 2024 - Springer
Acoustic emissions have been monitored during rock compression under both quasi-static
and dynamic conditions. A new method is proposed in this study to study the damage …

Mode-I fracture toughness and damage mechanism of dry and saturated sandstone subject to cryogenic condition

Y Zhang, G Ma, X Li - International Journal of Rock Mechanics and Mining …, 2024 - Elsevier
The storage of liquefied natural gas (LNG) in underground coal mine tunnels offers
numerous advantages, with the fracturing characteristics of surrounding rock under …

Promoting Sustainable Coal Gas Development: Microscopic Seepage Mechanism of Natural Fractured Coal Based on 3D-CT Reconstruction

C Zhang, Z Jin, G Feng, L Zhang, R Gao, C Li - Sustainability, 2024 - mdpi.com
Green mining is an effective way to achieve sustainable development in the coal industry.
Preventing coal and gas outburst dynamic disasters are essential for ensuring sustainable …

[HTML][HTML] 动荷载下岩石裂纹动态扩展行为实验研究综述

高维廷, 朱哲明, 朱伟, 邹明 - 爆炸与冲击, 2023 - pubs.cstam.org.cn
岩石的动态裂纹扩展特性在岩石力学和岩石工程研究中具有重要意义. 动荷载下岩石中裂纹的
扩展行为是瞬间发生的, 这对实验中测试和加载技术具有很大的挑战性. 为综述动荷载下岩石 …

Mechanical response and AE characteristics of heterogeneous rock under dynamic compression tests based on moment tensor analysis

G Yuan, M Zhang, K Zhang, Z Tian, H Duan… - Computational Particle …, 2024 - Springer
Rock heterogeneity significantly influences a rock mass's dynamic mechanical behavior and
fracture evolution. This study focused on creating heterogeneous sandstone models using …