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Experiment and numerical simulation of overburden and surface damage law in shallow coal seam mining under the gully
Safe and environmentally friendly coal mining in loess gully regions is one of the most popular research topics in the coal industry. In this study,...
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Extracting and Predicting Rock Mechanical Behavior Based on Microseismic Spatio-temporal Response in an Ultra-thick Coal Seam Mine
A thorough excavation of the deep ultra-thick mines is highly challenging in rock engineering, which mainly depends on the rheological properties of...
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Effect of Coal Seam Presence In-Between Comparatively Denser Layers Over High Wall Slope Stability-A Case Study of Kistaram Project, Singareni Collieries Company Limited (SCCL)
The lithology in the region of Godavari Valley Coal Fields of Southern India is mainly composed of sandstones of different types, clay combined with...
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Analytical solution and evolution process of gas permeability coefficient on typical hard-soft composite coal seam
The permeability coefficient of coal seam is a key parameter for assessing the performance of underground coal bed methane extraction. First,...
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Geometry of King Seam and Mining Conditions at Rampur Shaft Block, Godavari Valley Coalfield, India: A Case Study based on Geophysical Well Logs
The Barakar coal measures of Rampur Shaft Block, Godavari Valley Coalfield, Telangana, India, comprise about 190 m of fluviatile sequence of the...
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Research on deep gas geological laws and gas prediction: a case study of the Lvjiatuo coal mine
With the increasing demand for gas, the problem of local anomalies in deep gas urgently needs to be addressed. This study takes the Lvjiatuo coal...
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Bridging Efficiency and Safety: A Case Study of Extraction of Thick Coal Seam Having Low Incubation Period Using Continuous Miner
The extraction of thick coal seams developed on pillars by underground mining has been a chronic problem in India. The problem increases when the...
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Mechanical analysis and numerical simulation of a forming fracture network in the roof of an outburst coal seam by multi-staged fracturing
Multi-staged fracturing in the roof of an outburst coal seam has been applied to more and more coal mines for use in coalbed methane (CBM)...
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Principal causes of water damage in mining roofs under giant thick topsoil–lilou coal mine
The roof water inrush disaster induced by coal mining is becoming a vital bottleneck restricting mine safety. To accurately predict the water inrush...
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Evaluating the Safety of Using the Combined Mining Method in Close-Distance Coal Seams
This study aimed to investigate the internal dislocation law of coal seam working face under coal pillars with different widths and evaluate the...
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Effects of Coal Thickness on the Fractal Dimension of Gas Migration Channels: Laboratory and Field Study of a Gassy Coal Mine
Coal mining leads directly to changes in geophysical rock formations and upsets the equilibrium of gas concentrations in gas–liquid channels, which...
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Research on Stress Change and Deformation Monitoring of Coal Pillar Between Two Longwall Coal Faces
Optimizing the width of the coal pillar between two fully mechanized faces in a mine is essential for safety and efficiency. Field monitoring of the...
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Mine Pressure Behavior of Gob-Side Entry Retaining by Roof Cutting in Closely Spaced Coal Seams
To study the influence of the mined-out area in the nearby upper section of a coal seam on the mining of the working face of the lower seam, in this...
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Erratum to: Cenozoic giant coal-bearing basin belt discovered in China’s sea area
The original online version of this article was revised: (1) Article title was changed to “Cenozoic giant coal-bearing basin belt discovered in...
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Multi-scale pore structure characteristics of coal under alternating hydraulic intrusion pressure
With the increase of coal mining depth, coal seam has the characteristics of complex pore structure and low porosity under the influence of ground...
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Support and Stabilization of Temporary Roadways in Extraction of Coal Measures in Kuzbass
AbstractIt is examined how convergence of roof and floor affects temporary roadways during extraction of coal measures in Kuzbass. The geological and...
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Risk assessment of roof water disaster due to multi-seam mining at Wulunshan Coal Mine in China
In the case of multi-seam coal mining, the earlier mined coal seam affects the engineering geological conditions of the subsequently mined coal seam,...
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Characteristics and evolution of faults in the north-central Yin’e Basin and the effects on the coal-seam in the Cretaceous strata
Research on the characteristics of faults and their evolutionary history since the Cretaceous in the Suhongtu-Dagu depressions can provide a...
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Evolution of Permeability and Gas Seepage in Deep Coal Under 3D Stress
More and more gas extraction in deep coal seam is conducted under extreme geological conditions. The coal permeability determines the efficiency of...
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Numerical simulation study of influencing factors for 3D coal seam gas drainage efficiency
Gas drainage from the coal seam can not only decrease gas pressure, content, and gas emission but also prevent gas outburst and explosion; however,...
