Insights into natural tuff as a building material: Effects of natural joints on fracture fractal characteristics and energy evolution of rocks under impact load

T Zuo, X Li, J Wang, Q Hu, Z Tao, T Hu - Engineering Failure Analysis, 2024 - Elsevier
Dynamic disturbances significantly affect the degradation of properties in rocks with natural
joints. This study examines the impact of various joint angles on the fractal characteristics of …

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 …

[HTML][HTML] A review on application of acoustic emission in coal—analysis based on citespace knowledge network

S Zhao, Q Chao, L Yang, K Qin, J Zuo - Processes, 2022 - mdpi.com
Based on CiteSpace software, this paper reviews and analyzes the application articles of
acoustic emission in coal from 2010 to 2020. In this paper, CiteSpace software visualizes …

Fracturing behaviours and AE signatures of anisotropic coal in dynamic Brazilian tests

J Li, J Zhao, HC Wang, K Liu, QB Zhang - Engineering Fracture Mechanics, 2021 - Elsevier
Anisotropy caused by bedding structures has a great effect on tensile properties and fracture
behaviours of coal. Acoustic emission (AE) monitoring is a powerful tool in understanding …

Fracturing and AE characteristics of matrix-inclusion rock types under dynamic Brazilian testing

HC Wang, J Zhao, J Li, HJ Wang… - International Journal of …, 2022 - Elsevier
The fracturing properties and acoustic characteristics of heterogeneous and matrix-inclusion
rocks are crucial to the safety of underground infrastructures and mining projects under …

Mechanical and fractal characteristics of sandstone with Pre-existing fissures of different lengths under varying impact loads in SHPB tests

W Du, D Zhang, B Yu - Theoretical and Applied Fracture Mechanics, 2023 - Elsevier
Abstract The Split Hopkinson Pressure Bar (SHPB) with a 100 mm diameter was used to
investigate the impact of pre-existing fissure length on the mechanical properties of …

Anisotropy of crack initiation strength and damage strength of coal reservoirs

HAO **anjie, WEI Yingnan, Y Ke, SU Jian… - Petroleum Exploration …, 2021 - Elsevier
The crack volume strain method and acoustic emission (AE) method are used to analyze the
anisotropy of the crack initiation strength, damage strength, the failure mode and the AE …

Three-dimensional crack recognition by unsupervised machine learning

C Wang, X Hou, Y Liu - Rock mechanics and rock engineering, 2021 - Springer
Many macrocracks are usually generated during the fracturing of rocks. Elucidating the
spatial distribution of cracks provides the basis for understanding crack nucleation and …

[HTML][HTML] Deformation and failure characteristics of sandstone under uniaxial compression using distributed fiber optic strain sensing

L Zhang, D Yang, Z Chen, A Liu - Journal of Rock Mechanics and …, 2020 - Elsevier
This paper investigates the deformation and fracture propagation of sandstone specimen
under uniaxial compression using the distributed fiber optic strain sensing (DFOSS) …

[HTML][HTML] Microcrack fracturing of coal specimens under quasi-static combined compression-shear loading

Q He, Y Li, D Li, C Zhang - Journal of rock mechanics and geotechnical …, 2020 - Elsevier
Coal pillars are usually loaded under combined compression-shear stresses at
underground coal mines. Their long-term stability is critical to the utilization of underground …