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341
Research on Control of Rib Spalling Disaster in the Three-Soft Coal Seam
Published 2021-01-01“…Rib spalling disaster at the coal mining faces severely restricted the safe and efficient output of coal resources. …”
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342
Dynamic Behavior of Coal Pillar under Different Load Percentage by Numerical Simulation
Published 2021-01-01“…The stability and dynamic response of coal pillar is of great importance in underground coal mining. In this paper, a series of uniaxial compressive experiments were first carried out to investigate the mechanical properties of coal. …”
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343
Mechanical Behavior Evolution and Damage Characterization of Coal under Different Cyclic Engineering Loading
Published 2020-01-01“…The cyclic loading causes the strength change of porous rocks, which can be frequently encountered in underground coal mining. In order to quantify the cumulative damage of porous coal, multilevel uniaxial cyclic compressive tests were carried out considering different loading frequencies. …”
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344
Belt conveyor idler fault detection algorithm based on improved YOLOv5
Published 2025-01-01“…Abstract The rapid expansion of the coal mining industry has introduced significant safety risks, particularly within the harsh environments of open-pit coal mines. …”
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345
Study on the Response of Staggered Floor Isolated Structures in Mountainous Areas under Three-Dimensional Earthquakes
Published 2022-01-01“…As coal mines are susceptible to safety accidents due to earthquakes, the requirements for structures in coal mining areas such as fire control centers and hospitals are higher, so base isolated structures, including staggered isolated structures, adapted to mountainous terrain are used in mining areas. …”
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346
Research on the Energy Dissipation Patterns and Fragment Size Distribution Characteristics of Coal Under Cyclic Impact Loading With Confining Pressure
Published 2024-01-01“…The strength reduction in the energy dissipation patterns of coal samples under dynamic loading provides important theoretical support for the prevention of rock bursts during coal mining.…”
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347
Mining-Induced Damage Characteristics of Floors during Fully Mechanized Caving Mining: A Case Study
Published 2018-01-01“…To study the mining-induced damage characteristics of floors during fully mechanized mining, in situ measurements were performed using the hollow inclusion strain sensors in the No. 100502 (80 m, 180 m) mining face of the Yitang Coal Mine in the Huoxi coal field in the Shanxi Province of China. …”
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348
Evaluation and prediction of coal seam mining mode: Coefficient of Variation-TOPSIS and CNN-NGO methods
Published 2025-01-01“…This study not only provides scientific methods and tools for the evaluation and prediction of coal seam mining mode but also contributes to the intelligent development of the coal mining industry.…”
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349
High-Strength Hollow Glass Microsphere/Epoxy Resin Composite Insulation Materials for Deep In-Situ Condition Preserved Coring
Published 2022-01-01“…To establish in-situ fluidized coal mining technology and a theory of mining mechanics for deep coal resources, it is crucial to obtain a “fidelity rock core” that maintains deep in-situ conditions to understand the physical mechanics of deep rock. …”
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350
Experimental Accuracy and Stability of Gas Outburst Experimental System
Published 2021-01-01“…Gas outburst is an important issue in deep coal mining. At present, the gas-rock coupling change mechanism and intensity prediction of gas outburst are not clear. …”
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351
Effect of Fragmentation on Pore Structures and Fractal Characteristics of Intact Coal and Deformed Coal Based on Experiments
Published 2022-01-01“…Coal mining has to develop to deeper strata with the increasing demand for coal, which leads to frequent coal and gas outburst disasters. …”
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352
Spatial and Temporal Distribution Law and Influencing Factors of the Mining-Induced Deformation and Failure of Gas Boreholes
Published 2018-01-01“…Because gas boreholes are easy to damage by integrated coal mining and gas exploration, based on the practice of relieving pressure in deep thin coal seams in the Huainan mining area, a multidimensional coupling numerical simulation method was used to reveal the space-time evolution characteristics and influence factors of fracture deformation of gob-side gas boreholes. …”
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353
Intelligent control algorithms for posture and height control of four-leg hydraulic supports
Published 2025-01-01“…Abstract To address limitations of traditional inclinometers and height sensors in determining the posture and support height of hydraulic supports in coal mining, we propose a novel method predicated on travel measurements of the leg and tail beam cylinders. …”
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354
Numerical Simulation Study on Gas Migration Patterns in Ultra-Long Fully Mechanized Caving Face and Goaf of High Gas and Extra-Thick Coal Seams
Published 2024-12-01“…Taking the N2105 working face of the coal mining industry as the research object, the mathematical model of gas seepage in the goaf was established based on the percolation theory of porous media, and the model was solved. …”
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355
Prediction correction modeling of water-conducting fracture zones height due to repeated mining in close distance coal seams
Published 2024-12-01“…Abstract The height of the water-conducting fracture zones (WCFZ) is crucial for ensuring safe coal mining beneath aquifers, particularly considering the secondary development of the WCFZ in upper seams due to repeated mining in close distance coal seams. …”
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356
Study on Prediction of Coal-Gas Compound Dynamic Disaster Based on GRA-PCA-BP Model
Published 2021-01-01“…The intensity and depth of China’s coal mining are increasing, and the risk of coal-gas compound dynamic disaster is prominent, which seriously restricts the green, safe, and efficient mining of China’s coal resources. …”
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357
The Effect of Hydraulic Coupling on Mechanical Deformation Characteristics of Shallow Coal Seam in Western Mining Area
Published 2022-01-01“…During coal mining, the mechanical and deformation behavior of the overburden is affected by water and stress. …”
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358
Multiscale Laboratory Study and Numerical Analysis of Water-Weakening Effect on Shale
Published 2020-01-01Get full text
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359
An EfficientNetv2-based method for coal conveyor belt foreign object detection
Published 2025-01-01“…Polyloss can better adapt to the complex data distribution and task requirements of coal mine images. The experimental results show that the proposed method achieves an accuracy of 93.02%, which is 2.39% higher than that of EfficientNetv2. …”
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360
The potential for sustainable biomass in the Romanian energy sector. Value chain analysis for potential black pellets investments
Published 2024-12-01“…This significant cost difference arises from higher expense of biomass harvesting compared to coal mining. The black pellets value chain also involves biomass pretreatment and steam explosion processes, which require electricity for feasibility. …”
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