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Development of a Three-dimensional Stress Monitoring System for Coal Rock and its Application in a Mine
To conduct directed tests on the multi-dimensional stresses of coal rock mass and their evolution law, a three-dimensional stress (3DS) monitoring...
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Study on the Coal–rock Ratio Effect of Asymmetric Deformation and Failure of the Gob–side Coal–rock Roadway in Gently Inclined Coal Seam
In order to reveal the deformation and failure characteristics and the stability of the rock surrounding the gob–side coal–rock roadway in gently...
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Movement and deformation characteristics of overlying rock mass in deep coal seam
The 110 mining method is an innovative and useful coal mining technology. It mainly relies on two technologies to improve coal mining rate: Top...
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Effect of coal thickness on mechanical and energy evolution characteristics of coal–rock composite specimen with similar coal–rock strength ratio
The stability of coal–rock composite structures is vital to the safety of coal exploitation. To investigate the failure mechanism and energy...
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Microseismic Monitoring of Failure Mechanisms in Extra Thick Coal Seam Surrounding Rock
Fully-mechanized caving mining with a substantial mining height is inevitably accompanied by alterations in the surrounding rock, coal seam...
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Support design in underground coal mines using modified rock mass classification system (RMRdyn) for enhanced safety– an approach from stable and failed roof cases
Bord and pillar method of mining continues to be a major operation in India with about 160 mines producing 35 MT of coal. Owing to the exhaustion of...
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Effect of Confining Pressure Unloading Rate on Mechanical and Energy Characteristics of Coal-Rock Combinations
Coal-rock combinations is a composite structure often encountered in mining engineering. At present, the research on coal-rock combinations mainly...
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Study on damage characteristics and influence scope of coal-rock saturated with freeze–thaw water
The cryogenic cycling freeze–thaw technique demonstrates significant applicability in extracting coalbed methane (CBM) from low-permeability...
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BPNN Based Multi-factor Synthesis Prediction Method for Coal Rock Fatigue Life
The fatigue characteristics and failure mechanisms of rocks under cyclic loading not only have important theoretical significance, but are also...
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The evolution characteristics of fractures in overlying rock for underground coal fires
Fractures generated in the overlying rock of coalfield fire areas can develop into air leakage and oxygen supply channels, thus hel** sustain and...
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Coal and rock dynamic disaster prevention and control technology in the large mining face of a deep outburst mine
In this study, we systematically studied the occurrence regularity of in situ stress in the **dingshan mine. The critical criterion model of...
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Study on the Anti-scouring and Energy Absorption Characteristics of Coupled Broken Coal Rock Mass and Packed STFs
Considering certain issues such as the significant energy release during deep rock bursts, severe damage to roadway support systems, and compromised...
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A review of water rock interaction in underground coal mining: problems and analysis
Underground coal mining has a strong disturbance on surrounding rock strata, causing inevitable water inflow into mined spaces, which seriously...
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Experimental study on the movement law of overlying rock non-pillar coal overhead mining
Pillarless coal mining technology is a new practical technology. Based on the compensating mechanical behavior of the Negative Poisson’s Ratio (NPR)...
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Energy distribution law of coal–rock combined body under confining pressure effect
Coal measure strata are composed of many kinds of rock layers with different properties, and the energy accumulation ability of each rock layer is...
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The nonlinear creep behavior and creep damage constitutive model of coal rock
The creep behavior of coal rock is one of the most important factors which impacts on the stability of coal mine. In this study, the raw coal blocks...
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Influence mechanism of coal thickness effect on strength and failure mode of coal–rock combination under uniaxial compression
Coal–rock combination is an important structure for understanding the mechanism of coal and gas outburst, rock burst and coal roadway deformation. In...
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Soil pollution in Indian coal mines, available remediation techniques and rock dust application: A review
AbstractSoil pollution due to coal mining and its associative activities has become a serious environmental concern in India. The by-products of coal...
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Mechanical Response Characteristics and Law of Instantaneous Energy Conversion for Water-Bearing Coal–Rock Masses Subjected to Mining-Induced Stress
To investigate the characteristics of the responses of mechanical failure of coal–rock masses including their structures and karst fissures to energy...
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Study on Mechanical Property of Coal-Rock Combination Under Different Unloading Confining Pressure Rate
In order to study the failure characteristics of coal-rock assemblage under the condition of unloading confining pressure. This study carries out the...
