Mineralogy, microstructures and geomechanics of rock salt for underground gas storage

V Vandeginste, Y Ji, F Buysschaert… - Deep Underground …, 2023 - Wiley Online Library
Rock salt has excellent properties for its use as underground leak‐proof containers for the
storage of renewable energy. Salt solution mining has long been used for salt mining, and …

Mechanical behaviors and acoustic emission fractal characteristics of coal specimens with a pre-existing flaw of various inclinations under uniaxial compression

D Li, E Wang, X Kong, M Ali, D Wang - International Journal of Rock …, 2019 - Elsevier
To study the influence of hydraulic slotting inclination on the mechanical behaviors of coal
seam during mining process, uniaxial compression experiments on coal specimens with a …

Investigating the aging damage evolution characteristics of layered hard sandstone using digital image correlation

Y Cheng, Z Song, T Yang, J Han, B Wang… - … and Building Materials, 2022 - Elsevier
Layered sedimentary hard rock is an important inducing factor that deforms the tunnel
structure. To explore the aging deformation and mechanical characteristics of damaged …

Characteristic strength and acoustic emission properties of weakly cemented sandstone at different depths under uniaxial compression

B Liu, Y Zhao, C Zhang, J Zhou, Y Li, Z Sun - International Journal of Coal …, 2021 - Springer
As coal mining is extended from shallow to deep areas along the western coalfield, it is of
great significance to study weakly cemented sandstone at different depths for underground …

A nonlinear creep damage model for salt rock

F Wu, J Chen, Q Zou - International Journal of Damage …, 2019 - journals.sagepub.com
In the creep tests, stress is no longer a constant and increases gradually under the influence
of damage occurring during accelerating creep, which is a slow-loading process rather than …

Dynamic multifractal characteristics of acoustic emission about composite coal-rock samples with different strength rock

J Liu, Q Li, X Wang, Z Wang, S Lu, Z Sa… - Chaos, Solitons & …, 2022 - Elsevier
In order to investigate the instability mechanism of composite coal-rock samples with
different strength rock, several uniaxial compression experiments of composite samples …

Fracture evolution of fiber-reinforced backfill based on acoustic emission fractal dimension and b-value

J Yang, K Zhao, X Yu, Y Yan, Z He, Y Zhou… - Cement and Concrete …, 2022 - Elsevier
To investigate the fracture evolution of fiber-reinforced backfill, uniaxial compression tests
were conducted on different fiber types of reinforced backfills, and the fracture process of …

[HTML][HTML] Failure transition of shear-to-dilation band of rock salt under triaxial stresses

J Liu, X Qiu, J Yang, C Liang, J Dai, Y Bian - Journal of Rock Mechanics …, 2024 - Elsevier
Great potential of underground gas/energy storage in salt caverns seems to be a promising
solution to support renewable energy. In the underground storage method, the operating …

Progressive failure of brittle rocks with non‐isometric flaws: insights from acousto‐optic‐mechanical (AOM) data

JZ Zhang, XP Zhou, LS Zhou… - Fatigue & Fracture of …, 2019 - Wiley Online Library
Uniaxial compression tests combined with nondestructive testing techniques are performed
to explore the roles of non‐isometric flaws in crack developments in brittle rocks. The …

Research on macroscopic mechanical properties and microscopic evolution characteristic of sandstone in thermal environment

Z Zhang, E Wang, N Li, H Zhang, Z Bai… - Construction and Building …, 2023 - Elsevier
To study macro and micro characteristics of rock and their correlation in high temperature
environment, uniaxial compression experiment is conducted to analyze macroscopic …