Strain characteristics and energy dissipation laws of gas-bearing coal during impact fracture process

X Kong, D He, X Liu, E Wang, S Li, T Liu, P Ji, D Deng… - Energy, 2022 - Elsevier
To reveal fracture mechanism of gas-bearing coal subjected to complex geology
environment, the impact dynamics experiments were conducted to study energy …

[HTML][HTML] Evolution and modeling of mine water inflow and hazard characteristics in southern coalfields of China: A case of Meitanba mine

J Liu, Y Zhao, T Tan, L Zhang, S Zhu, F Xu - International Journal of Mining …, 2022 - Elsevier
In this paper, the hydrogeological characteristics in the southern coalfields of China are first
briefly outlined. Then, taking the Meitanba mine as an example, the evolution and modeling …

[HTML][HTML] Investigation on fracture models and ground pressure distribution of thick hard rock strata including weak interlayer

M Yu, J Zuo, Y Sun, C Mi, Z Li - International Journal of Mining Science and …, 2022 - Elsevier
Dynamic disasters, such as rock burst due to the breaking of large area stiff roof strata, are
known to occur in the hard rock strata of coal mines. In this paper, mechanical models of the …

[HTML][HTML] Calibration and uniqueness analysis of microparameters for DEM cohesive granular material

S Ji, J Karlovšek - International Journal of Mining Science and …, 2022 - Elsevier
The differential evolution (DE) algorithm was deployed to calibrate microparameters of the
DEM cohesive granular material. 4 macroparameters, namely, uniaxial compressive …

Longwall face stability analysis from a discontinuum-Discrete Fracture Network modelling

TD Le, J Oh - Tunnelling and Underground Space Technology, 2022 - Elsevier
This paper presents the longwall face stability analysis under a realistic representation of
geological structures and caving behaviours within coal seam. Face spall and its …