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Distribution and Variation of Mining-Induced Stress in the Reverse Fault-Affected Coal Body
Published 2021-01-01“…Finally, intrinsically safe GZY25 borehole stress sensors were used to monitor the coal body stresses in the reverse fault area under the influence of mining in Xinchun Coal Mine and ZuoQiuka Coal Mine. It was found that the coal body stress concentration in front of the working face either increased gradually or increased first before decreasing. …”
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443
Assessment of soil properties in technogenically disturbed lands of Kemerovo Oblast – Kuzbass
Published 2023-11-01“…The purpose of the study is to examine the technical, technological, and biological properties of lands technogenically disturbed as part of coal mining operations in Kuzbass. The object under study is soil and soil cover in the Talda coal mine at the experimental site and adjacent territories. …”
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444
Experimental Study of Seepage Characteristics of Filling Structures in Deep Roadway
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445
Research on Stress Distribution Characteristics for Uniquely Shaped Roadway with Hard Roof in Steeply Inclined Coal Seam and Support Technology of Reducing Vibration Impact
Published 2021-01-01“…The large amount of coal produced in the coal mine and the large movement range of the upper strata cause the huge mining additional stress around the stope. …”
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446
Experimental Study on the Flow Behavior of Grout Used in Horizontal Directional Drilling Borehole Grouting to Seal Mining-Induced Overburden Fractures
Published 2021-01-01“…The development of water-conducting fractures from underground coal mining is a geological cause of groundwater loss. …”
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447
Effect of Strain-Dependent Hydraulic Conductivity of Coal Rock on Groundwater Inrush in Mining
Published 2020-01-01“…Hydraulic conductivity is an important parameter for predicting groundwater inrush in coal mining worksites. Hydraulic conductivity varies with deformation and failure of rocks induced by mining. …”
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448
Physical Simulation of the Water-Conducting Fracture Zone of Weak Roofs in Shallow Seam Mining Based on a Self-Designed Hydromechanical Coupling Experiment System
Published 2020-01-01“…The simulated fracture depth of the Yili coal mine agreed with the in situ borehole observation very well and was more accurate than the output of the empirical formula. …”
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449
Mechanism of Vibration Energy Action on Dynamic Instability of Shock-Type Rockburst Carrier System
Published 2020-01-01“…In coal mining, the rockburst intensity triggered by the mine earthquake is often greater in the mining area, and the precursor information is more difficult to capture. …”
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450
Deformation Monitoring and Stability Analysis of Shaft Lining in Weakly Cemented Stratum
Published 2018-01-01“…Based on the concrete strength failure criterion under biaxial compression and the analytical solution for spatially axisymmetric problem of thick-wall cylinders, the damage limit of the shaft lining in Xieqiao coal mine is obtained. Then, we choose three sections as the test area according to the typical damage forms of shaft linings to carry out the monitoring scheme on the auxiliary shaft in Xieqiao coal mine. …”
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451
Numerical Simulation Study of Variable-Mass Permeation of the Broken Rock Mass under Different Cementation Degrees
Published 2018-01-01“…The study approach and results not only help enhance coal mining operations safety by better understanding KCP water inrush risks. …”
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452
Voz territorial, despojo y resistencia a la expansión del extractivismo carbonífero en el sur de La Guajira
Published 2025-01-01“…This study is based on participant observation and in-depth interviews conducted between 2023 and 2024 with members of communities affected by coal mining in La Guajira. These include the displaced peoples of Roche, Chancleta, Patilla, and Tabaco, as well as the community of Cañaverales, which inhabits land designated for a new coal mine. …”
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453
Floor Failure Characteristics in Deep Island Longwall Panel: Theoretical Analysis and Field Verification
Published 2022-01-01“…Floor failure in deep coal mining above confined aquifers with high-water pressure may induce floor water inrush disasters. …”
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454
Study on the Fractal Characteristics of Coal Body Fissure Development and the Law of Coalbed Methane Migration of around the Stope
Published 2020-01-01“…In view of this, this paper chooses Qingdong Coal Mine protection layer mining and CBM extraction field practice as the research background. …”
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455
Evaluation of coal export from Russia
Published 2019-09-01“…Dynamics of coal mining in Russia and also export of coal from Russia has been presented. …”
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456
A Method Based on Elastic Mechanics for Judging Compound Hard Roof and Its Application
Published 2020-01-01“…In this essay, 8101 Working Face of Tashan Coal Mine in China is the research object for criteria and analysis of compound hard roof, and the result is testified by similar model tests. …”
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457
Mechanical and Dynamic Properties of Hybrid Fiber Reinforced Fly-Ash Concrete
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458
Experimental Study on Dynamic Compression Mechanics of Sandstone after Coupled Alkali-Chemical-Dynamic Interaction
Published 2022-01-01“…For the purpose of analyzing the effect of the alkaline solutions on the mechanical property of sandstone impact compression, the sandstone specimens of coal mine roadway were corroded in NaOH solution with pH 7 (neutral pure water solution) and pH = 8, 9, 10, 11, and 12 for 28 d, followed by dynamic compression tests using a separated Hopkinson compression bar test device, and the microstructural changes of the specimens were measured by SEM electron microscope scanning equipment. …”
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Prediction Model for Spontaneous Combustion of Coal around Boreholes Using Bedding Gas Drainage
Published 2021-01-01“…To accurately and reliably predict the time of spontaneous combustion of fractured coal around a borehole induced by gas drainage along the seam, this study performed an orthogonal test taking the No. 10 Coal Mine of Pingdingshan as the research object, in terms of the suction negative pressure and coal seam buried depth. …”
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