ArticleScientific reports2024
Damage and energy characteristics of coal rock combinations with inclined coal seams under axial loading.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Disaster-causing mechanism and control technology of interlayer rock breakage in gently inclined close distance coal seams mining.Scientific reports · 2025Article
- Response characteristics of shale permeability to cyclic loading under different gas pressures.Scientific reports · 2025Article
- Study on influencing factors and prevention measures of coal-rock-gas compound dynamic disaster in deep coal mine mining.Scientific reports · 2025Article
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Authors and funding
13 authors.
Funding
Abstract
A single load compression test of rock-coal-rock assemblages (RCRs) containing coal bodies with different inclinations was carried out with the research background of mining deep, large-steep coal seams. It was found that the larger the inclination angle of the coal body in the RCR samples, the larger the compaction stage of the samples and the smaller the uniaxial compressive strength value. In addition, both the maximum acoustic emission (AE) energy of the samples and the cumulative AE energy at the moment of destruction decreased with the increase of the inclination angle of the coal body in the form of exponential relativities. Also, the input energy and ultimate elastic energy of the samples at the peak stress moment decreased with increased inclination angle of the coal body. Furthermore, both of them changed with the inclination angle of the coal body in accordance with the exponential relationship; meanwhile, when the applied load exceeded the peak strength, the dissipative energy of the RCR samples increased rapidly due to the loss of load-bearing capacity. At the peak moment, the percentage of dissipated energy of the samples increased exponentially with the increase of the inclination angle of the coal body. This study has certain reference significance for the prevention and control of dynamic disasters during the mining of large angle coal seams.
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