“Double peak” of dynamic strengths and acoustic emission responses of coal masses under dynamic loading

X Feng, Z Ding, Y Ju, Q Zhang, M Ali - Natural Resources Research, 2022 - Springer
In recent years, the depth, intensity and complexity of coal mining in China has continued to
increase. Meanwhile rockburst disasters, especially fault-slip bursts, have become even …

Dynamic mechanical and fracture behaviour of sandstone under multiaxial loads using a triaxial Hopkinson bar

K Liu, QB Zhang, G Wu, JC Li, J Zhao - Rock Mechanics and Rock …, 2019 - Springer
Variations in stress conditions of rocks have been observed during blasting for excavation or
large-scale seismic events such as an earthquake. A triaxial Hopkinson bar is developed to …

Dynamic characteristics of coal under triaxial constraints based on the split–hopkinson pressure bar test system

Z Gu, R Shen, Z Liu, E Zhao, H Chen, Z Yuan… - Natural Resources …, 2023 - Springer
Deep coals are mostly in a three-dimensional (3D) unequal stress state. In the hope of
revealing dynamic characteristics of deep coals under impact load, dynamic failure …

Dynamic uniaxial compression testing of veined rocks under high strain rates

F Robbiano, K Liu, QB Zhang, LF Orellana - International Journal of Rock …, 2022 - Elsevier
The occurrence of strainbursts is of major concern in underground deep mining operations.
Strainbursts are complex events characterized by a spontaneous strain-energy liberation at …

Source location mechanism of microseismic monitoring using PS waves and its effect analysis.

Z Wang, J Li, B Li - DYNA-Ingeniería e Industria, 2022 - search.ebscohost.com
Source location is the most fundamental and most important problem in microseismic
monitoring. However, only P-wave has been mostly applied in the existing microseismic …

Prediction of rockburst occurrences in underground excavations using artificial neural networks

RNY leza Kayembe - 2024 - search.proquest.com
Rockbursts are characterised by the sudden and violent release of stress energy within a
rock mass, often leading to the explosive displacement of rock fragments. These …

Propiedades mecánicas de rocas con vetillas sometidas a altas tasas de deformación

FM Robbiano Muñoz - 2022 - repositorio.uchile.cl
Los estallidos de rocas corresponden a eventos complejos, caracterizados por la liberación
espontánea de energía en los límites de las excavaciones subterráneas en roca en zonas …

Método de localización de la fuente en la vigilancia microsísmica mediante ondas primarias (P) y secundarias (S) y análisis de los resultados

Z Wang, J Li, B Li - DYNA, 2022 - revista-dyna.com
Source location is the most fundamental and most important problem in microseismic
monitoring. However, only P-wave has been mostly applied in the existing microseismic …