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421
Study on the Mechanical Properties and Thermal Conductivity of Cotton Stalk Fiber Heat-Insulating Shotcrete
Published 2022-01-01Get full text
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422
Stability Analysis of a Water-Rich Slope Under Seismic Disturbance
Published 2024-01-01Get full text
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423
Total Seepage Resistance Model of Water-Displacing Diffusion of Slurry in Series and Parallel Fractures
Published 2022-01-01Get full text
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424
Mechanisms of Mining Seismicity under Large Scale Exploitation with Multikey Strata
Published 2015-01-01“…The dynamic disasters are aggravating with the increase of exploitation scale and intensity in Chinese coal mines, to further understand this problem, we studied the mechanisms of mining tremors induced by key strata movement and instability under large scale exploitation. …”
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425
Numerical Study of Damage to Rock Surrounding an Underground Coal Roadway Excavation
Published 2020-01-01“…In coal mines, underground roadways are required to transport coal and personnel. …”
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426
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427
Stability and Control of Retracement Channels in Thin Seam Working Faces with Soft Roof
Published 2021-01-01“…The safe and efficient mining of the coal mine is ensured, and the research results can provide guidance for similar working faces.…”
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428
Study on Ultrasonic Response to Mechanical Structure of Coal under Loading and Unloading Condition
Published 2017-01-01Get full text
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429
Study on Influence of Cavity and Water Mist on Flame Propagation of Gas Explosion in a Pipeline
Published 2021-01-01Get full text
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430
Roadway Deformation and Control under Multidisturbed Secondary High Stress
Published 2022-01-01“…Aiming at the serious deformation and failure of mining roadway under the condition of high secondary stress in Xuchang Coal Mine, Shandong Province, the deformation law of surrounding rock under the influence of high secondary stress in the original support belt transport roadway was analyzed by the method of field measurement and numerical simulation, and the control scheme of surrounding rock was put forward. …”
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431
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432
Influence of Mine Earthquake Disturbance on the Principal Stress of the Main Roadway near the Goaf and Its Prevention and Control Measures
Published 2021-01-01“…The research results can provide a certain reference basis for coal mine roadway pressure relief and reducing disaster conditions.…”
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433
Study on Stress Relief of Hard Roof Based on Presplitting and Deep Hole Blasting
Published 2020-01-01“…With the combination of the two blasting methods, the end-mining coal pillar size of Luning Coal Mine can be reduced to 60 m. The method combining presplitting and deep hole blasting can effectively reduce the end-mining coal pillar size and reduce the impact of mining on the deformation of the dip roadway.…”
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434
Modelling of P-wave velocity changes in coal seams with increased depth: a case study
Published 2025-01-01“…The research was performed at the Zofiówka Coal Mine in the geological and mining conditions of the Upper Silesian Coal Basin in Poland. …”
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435
Numerical Simulation of Mining-Induced Damage in Adjacent Tunnels Based on FLAC3D
Published 2021-01-01“…The tunnels were established crossing over the old goafs of a coal mine. The tunnels have been damaged three times between 2014 and 2016. …”
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436
Research on Structural Characteristics of Dynamic Nuclear Zone in Dynamic System of Coal and Rock
Published 2019-01-01“…In order to calculate the concrete scale range of coal and rock mass in rockburst of different degrees of danger and to prevent and control rockburst in coal mines, the concept of dynamic system of coal and rock is put forward in this paper. …”
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437
Deformation Caused by Dynamic Load and Support Requirements in a Deep Gob-Side Entry Rock Mass
Published 2019-01-01“…Gob-side entries in deep coal mines can be subjected to dynamic loading when driving along the goaf. …”
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438
Failure Mechanism of a Coal-Rock Combined Body with Inclinations of Structural Planes and a Calculation Model for Impact Energy
Published 2019-01-01“…The proposed calculation model for impact energy revealed the mechanical essence of energy accumulation and release of a CR combined body, providing a reference for investigating rock burst in coal mines.…”
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439
Characterization and Identification of Coal and Carbonaceous Shale Using Visible and Near-Infrared Reflectance Spectroscopy
Published 2018-01-01“…Because of the high organic carbon concentration in carbonaceous shale, a large proportion of carbonaceous shales are often misclassified into coals using visible and near-infrared (VIS-NIR) reflectance spectroscopy in the field of coal-gangue identification of hyperspectral remote sensing of coal mine. In order to study spectral characterization of coal and carbonaceous shale, three bituminite samples and three carbonaceous shales were collected from a coal mine of China, and their spectral reflectance curves were obtained by a field spectrometer in the wavelength range of 350–2500 nm. …”
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440
Study on Deflection of Surrounding Rock Force Chain and Disaster Mechanism of Instability in Deep Stope
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