[HTML][HTML] Assessment of nano-to-micro-scale geomechanical properties and their time-dependent behavior: Current status and progressive perspectives

MC Ngoma, O Kolawole - Rock Mechanics Bulletin, 2024 - Elsevier
Rocks can deform at varying scales (nano-, micro-and macro-scale) under different
temperatures, pressures, stresses, and time conditions. Sub-core scale (nano-to micro …

Critical slowing down precursor information for the acoustic emission response characteristics of defective tuffs

Z Zhang, Z Song, J Lai, J Qiu, Y Cheng… - Theoretical and Applied …, 2024 - Elsevier
Fracture characteristics of rock and rational structural design are necessary to ensure the
stability of underground rock engineering. Early warning of rock damage is a hot and …

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 …

Research on acoustic emission multi-parameter characteristics in the failure process of imitation steel fiber reinforced concrete

H Li, X Li, J Fu, Z Gao, P Chen, Z Zhang - Physics of Fluids, 2023 - pubs.aip.org
Studies of the damage process of fiber-reinforced concrete through acoustic emission are
very significant for concrete structural health monitoring. In this study, three specifications of …

Types and occurrence time of rockbursts in tunnel affected by geological conditions and drilling & blasting procedures

W Niu, XT Feng, Z Yao, X Bi, C Yang, L Hu… - Engineering …, 2022 - Elsevier
Rockburst is a difficult problem that restricts the development of deep rock mass engineering
technology, and the warning of rockburst occurrence time remain a common challenge …

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 …

Early violent failure precursor prediction based on infrared radiation characteristics for coal specimens under different loading rates

NM Khan, L Ma, K Cao, AJS Spearing, W Liu… - Rock Mechanics and …, 2022 - Springer
The early prediction of violent coal-bearing strata failure using effective monitoring is crucial
to avoid losses due to catastrophic failures and geological disasters to ensure safe and …

Acoustic emission characteristics during the microcracking processes of granite, marble and sandstone under mode I loading

TY Guo, Q Zhao - Rock Mechanics and Rock Engineering, 2022 - Springer
We conduct a comparative laboratory investigation of the cracking behaviour of granite,
marble and sandstone using semi-circular bending (SCB) tests on pre-notched specimens …

Critical slowing down phenomenon for predicting the failure of solid rocks and cement mortar materials: Insight from acoustic emission multiparameters

C Xu, L Xue, Y Cui, M Zhai, F Bu - Construction and Building Materials, 2023 - Elsevier
Failure precursors with clear physicomechanical connotations are of great significance in
predicting catastrophic instability in major constructions and rock engineering. Here, we …

Infrared radiation and acoustic emission of damage evolution and failure precursory for water-bearing coal

T Shan, Z Li, X Zhang, Y Niu, H Tian, Q Zhang… - Rock Mechanics and …, 2022 - Springer
The instability and failure of water-bearing coal mass can lead to serious coal–rock dynamic
disasters, such as mine water inrush. It brings severe challenges to the safety produce …