[HTML][HTML] Numerical studies of floor heave mechanism and the effectiveness of grouting reinforcement of roadway in soft rock containing the mine water

I Sakhno, S Sakhno - International Journal of Rock Mechanics and Mining …, 2023 - Elsevier
A floor heave is a serious failure phenomenon in mining roadways, especially in soft rock
containing the mine water. Considering the influences of moisture content on rock …

A study of anchor cable and C-shaped tube support for the roadway of Shuangliu Coal Mine

L Li, XS Kong, W Yang, JW Huang, ZE Wang - Symmetry, 2023 - mdpi.com
Active support using highly prestressed cable bolts and anchor cables has become a
mainstream support technology for coal mine roadways. However, the ability of bolts and …

Consideration of multifactorial geomechanical-technological factors in determining the rational parameters for site outgassing technology at the Western Donbas …

VI Bondarenko, IA Kovalevska… - … Series: Earth and …, 2024 - iopscience.iop.org
The paper examines a promising component for the energy sector–development of gas
reserves and gas production, taking into account the peculiarities of mining-geological and …

The Floor Heave Mechanism of a Deep Clastic Rock Tunnel in Southwest China: An Experimental Study Based on Excavation Stress Paths

F Wang, XT Feng, Y Zhou, C Yang, X Yu - Rock Mechanics and Rock …, 2024 - Springer
Excavation in deep weak rock engineering can significantly alter the stress state in the
surrounding rock, often leading to varying degrees of floor heave. The excavation stress …

Numerical investigation of the influence of roof-cutting parameters on the stability of top coal gob-side entry retaining by roof pre-fracturing in ultra-thick coal seam

Y Yang, P Gao, C Zhang, C Wang - Energies, 2023 - mdpi.com
Gob-side entry retaining by roof cutting, a pillarless mining technique, plays a critical role in
maintaining continuous production, rapid connection, and enhancing the coal recovery rate …

Research on influence of stress-strain evolution in immediate floor before and after excavation face on origin floor heave in coal mines roadways

I Sakhno, S Sakhno, O Isaienkov… - IOP Conference Series …, 2024 - iopscience.iop.org
The floor heave is one of the most acute issues of underground mine roadways stability
problem. With an increase in mine depth, the floor heave becomes more dramatic. Analysis …

A Failure Mechanism of Supports in Weakly Cemented Soft Rock Roadways and the Synergistic Support Design

K Zhou, F Yu, Y Tan, W Zhao, L Xu - Rock Mechanics and Rock …, 2024 - Springer
Weakly cemented soft rock roadways are prone to severe roof lowering and floor heave,
especially under strong mining. The failure of bolt (cable) supports is significant. Theoretical …

Study on the High Strength Cable Truss System Control of the Surrounding Coal Roadway Excavated in Regions Left Intensively Mining-Induced Stresses

Z Xu, C Li, Y Cao, L Tai, H Yan - Applied Sciences, 2023 - mdpi.com
In coal mine roadway support, the arrangement of roadways in areas with high-stress
concentrations is a challenging issue. It is crucial to solve this problem in order to ensure the …

Floor Heave Control in Gob-Side Entry Retaining by Pillarless Coal Mining with Anti-Shear Pile Technology

I Sakhno, S Sakhno, K Skrzypkowski, O Isaienkov… - Applied Sciences, 2024 - mdpi.com
The severe floor heave in gob-side entry retaining is the major restriction factor of the wide
application of pillarless mining thin coal seams. Reinforcement and stress-relief floor heave …

[HTML][HTML] Numerical Simulation and Engineering Application of Temporary Stress Field in Coal Mine Roadway

H Zhang, H Ma, C Wang, Q Mao, X Xue - Applied Sciences, 2024 - mdpi.com
The imbalance between excavation and mining is significant as it restricts the efficient
development of coal resources. Slow tunneling speed is primarily due to the inability to …