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441
Experiment and Applications of Dynamic Constitutive Model of Tensile and Compression Damage of Sandstones
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442
Exploring the economic occupational health, safety, and fatal accidents in high-risk industries
Published 2025-02-01“…Conversely, each safety accident resulted in 1.052 coal mine fatalities and 0.153 cases of occupational disease. …”
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443
Study on Surrounding Rock Stability Mechanism of Gob-Side Entry Retaining with Prefabricated Fracture
Published 2021-01-01“…The stability of the surrounding rock of the roadway is more stable than that of other angles, which is conducive to the safe mining of 5249 working faces in Beipingdong Coal Mine.…”
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444
Research on Coal Mechanical Properties Based on True Triaxial Loading and Unloading Experiment
Published 2021-01-01“…To study the safety issues caused by coal mine excavation, self-developed simulation of earth interior atmosphere and sound test system was used to perform true triaxial loading and unloading tests of coal. …”
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445
Effect of Loading Rates on Mechanical Characteristics and Rock Burst Tendency of Coal-Rock Combined Samples
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446
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447
Study on the Key Technology of Controlling the Instability of Deep High-Stress Coal and Rock Mass and Relieving the Danger
Published 2021-01-01“…In order to solve the problem of stress concentration and gas overrun in the process of uncovering high gas and thick coal seam, combined with the occurrence characteristics of coal seams in Wuyang Coal Mine, the measures of “hydraulic and mechanical cavity making + steel screen pipe + surrounding rock grouting” are adopted to establish a method for mutual verification of multiple effect test indexes of residual stress, residual gas content, coal seam moisture content, and microseismic signal characteristics, and the three-dimensional accurate analysis of the influence range of hydraulic cavitation is effectively realized. …”
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448
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449
Mechanism and Evolution Control of Wide Coal Pillar Bursts in Multithick Key Strata
Published 2021-01-01“…Coal mine pillar burst frequently occurs in Western China, which seriously restricts safe production. …”
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450
Failure and development height of overlying rock of a water flowing fracture in goaf under a karst aquifer
Published 2025-01-01“…This study focuses on the Longfeng Coal Mine, northern Guizhou coalfield. Samples of rock from the roof coal seam were obtained by drilling and coring and examined under a scanning electron microscope. …”
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451
Research on Hydraulic Fracturing Pressure Relief Technology in the Deep High-Stress Roadway for Surrounding Rock Control
Published 2021-01-01“…With the increase of mining depth in underground engineering, deep ground pressure has an extremely unfavorable impact on safety production and the economic benefits of coal mines and the control of the roadway stability in deep mines are gradually highlighted. …”
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452
ExAIRFC-GSDC: An Advanced Machine Learning-Based Interpretable Framework for Accurate Gas Leakage Detection and Classification
Published 2025-01-01“…Abstract Gas leakage detection is imperative in various sectors, including chemical industries, coal mines, and household applications. The escalating number of accidents in coal mines, chemical industries, and homes underscores the urgency of swift and accurate gas detection methods. …”
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453
Behaviour of Foam Concrete under Impact Loading Based on SHPB Experiments
Published 2019-01-01“…The findings of this research provide a reference for further research on the application of foam concrete in underground coal mines.…”
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454
Damage and Failure Evolution Mechanism for Coal Pillar Dams Affected by Water Immersion in Underground Reservoirs
Published 2019-01-01“…In coal mines, underground reservoir systems can increase the availability of water and are an effective technical approach for the protection and utilization of water resources. …”
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455
Study on Prediction of Outburst Risk of Excavation Face by Initial Gas Emission
Published 2022-01-01“…Using a ZTL20/1000-Z mine flameproof prediction device, taking excavation face 9301 in the Anshun Coal Mine in Guizhou Province, China, as the research object, and taking the detailed regulations for prevention and control of coal and gas outburst promulgated by the China Coal Mine Safety Supervision Bureau in 2019 as the prediction standard for coal and gas outbursts, an experiment on the outburst risk prediction for the excavation face was conducted. …”
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456
Freeze-Thaw Effects on Stability of Open Pit Slope in High-Altitude and Cold Regions
Published 2021-01-01“…In terms of the No. 4 minefield open pit coal mine, the slope stability meets the design requirement, although taking the freeze-thaw cycle into account.…”
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457
Experimental study of the moisture content influence on CH adsorption and deformation characteristics of cylindrical bituminous coal core
Published 2018-10-01“…In this paper, the cylindrical bituminous coal cores of Xutuan coal mine in Huaibei coal mine group were studied as experimental objects, using the laboratory self-designed experimental device Gas Adsorption and Strain Testing Apparatus system . …”
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458
Numerical investigation of coal pillar damage mechanisms for various width-to-height ratios
Published 2025-01-01“…Finally, two case studies of conventional coal pillars in the Zhulinshan coal mine and the yield coal pillars in the Tashan coal mine were reported.…”
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459
Layout of the First-Mining Working Face in the Protected Seam for Pressure Relief by Peak Stress Shift
Published 2021-01-01“…The results can provide a reference for the layout of the working faces in protected seams in adjacent coal mines.…”
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460
Control of the Chamber in Extra-Thick Coal Seam Based on Fracture Characteristics of Coal Rock and Mass
Published 2020-01-01Get full text
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