Acoustic emission evolution and hydraulic fracture morphology of changning shale stressed to failure at different injection rates in the laboratory

Y Zhang, Y Zhao, A Zang, A Long - Rock Mechanics and Rock Engineering, 2024 - Springer
Hydraulic fracturing has been widely used to enhance reservoir permeability during the
extraction of shale gas. As one of the external input parameters, injection rate has a …

Long-term deformation of rock salt under creep–fatigue stress loading paths: Modeling and prediction

Z Li, J Fan, M Fourmeau, J Chen, D Jiang… - International Journal of …, 2024 - Elsevier
Rock salt, due to its water solubility, low permeability, high plasticity, and damage self-
healing ability, is one of the best candidate rock types for underground energy storage …

Macroscopic experimental study and microscopic phenomenon analysis of damage self-healing in salt rock

Z Li, Y Kang, J Fan, M Fourmeau, J Chen, D Jiang… - Engineering …, 2024 - Elsevier
Salt rock is characterized by a low porosity, low permeability and self-healing ability, and it is
one of the most common materials used for underground energy storage and construction in …

Creep-fatigue interaction of rock salt using discrete element simulation

K Zhao, LNY Wong - Computers and Geotechnics, 2024 - Elsevier
The rock surrounding underground salt caverns hosting compressed air energy storage
(CAES) systems is subjected to simultaneous creep and fatigue loads. A proper design …

Experimental study on effects of load damage precursor information and response characteristic of gas-containing coal for mining safety based on acoustic emission

M Zhang, J Fan, J Du, D Jiang, J Chen, Q Yuan… - Process Safety and …, 2024 - Elsevier
Acoustic emission (AE) of coal is an accompanying phenomenon closely related to the
internal damage of coal. Studying its information response characteristics can reveal the …

Characterizing imbibition and void structure evolution in damaged rock salt under humidity cycling by low-field NMR

Z Zeng, H Ma, C Yang, K Zhao, X Wang, Z Zheng - Engineering Geology, 2024 - Elsevier
The excavation damaged zone (EDZ) of salt cavities for compressed air energy storage
(CAES) undergoes daily humidity cycling. This study investigated moisture imbibition and its …

Data-and experience-driven neural networks for long-term settlement prediction of tunnel

DM Zhang, XY Guo, YM Shen, WD Zhou… - … and Underground Space …, 2024 - Elsevier
In recent years, machine learning methods have been widely used to predict the long-term
settlement of tunnels. However, data-driven models for long-term settlement prediction often …

Dynamic gas emission during coal seam drilling under the thermo-hydro-mechanical coupling effect: A theoretical model and numerical simulations

X Yuan, W Dong, J Fan, P Liu, Z Li, M Fourmeau… - Gas Science and …, 2024 - Elsevier
The potential risk of coal and gas outbursts has increased with the depth of coal mining,
posing the threat of heavy casualties, vast economic losses, and harm to the ecological …

Comparison of energy evolution characteristics of intact and fractured coal under true triaxial progressive stress loading

Y Liu, D Zhao, S Yin, L Zhang - Sustainability, 2023 - mdpi.com
The underground coal mining process is closely associated with frequent energy storage
and consumption of coal mass with natural and induced fractures. Exploring the energy …

Research of interlayer dip angle effect on stability of salt cavern energy and carbon storages in bedded salt rock

X Ge, J Huang, K Zhou, K Su, W Wang, Y Li… - Geoenergy Science and …, 2024 - Elsevier
In order to clean and decarbonize energy, large-scale underground energy storage in salt
caverns can be utilized. The construction and safety evaluations for these caverns are …