Results 31 to 40 of about 2,675 (183)
Scientific Reports, 2022 Using image recognition technology to realize coal gangue recognition is one of the development directions of intelligent fully mechanized caving mining.
Lei Zhang +4 more
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Microorganisms, 2023 Coal gangue is a solid waste emitted during coal production. Coal gangue is deployed adjacent to mining land and has characteristics similar to those of the soils of these areas.
Mengying Ruan +4 more
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Mechanical properties and microscopic characteristics of steel fiber coal gangue concrete
Frontiers in Materials, 2023 Incorporation of coal gangue in the concrete mixes can realize utilization of the solid waste and reduce extraction/use of natural aggregates. To improve the mechanical properties of coal gangue concrete, this paper studies use of steel fibre together ...
Jiuyang Li +6 more
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Experimental study on microwave propagation characteristics of different coal-gangue mixtures
Meitan kexue jishu, 2023 The problem of coal-gangue identification is one of the technical problems that have not been effectively solved for a long time in the coal industry. By analyzing the characteristics and limitations of existing coal-gangue identification methods, the ...
Lei SI +5 more
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IEEE Access, 2023 Coal gangue recognition of top coal caving is one of the important links in the process of intelligent coal mine construction. However, the recognition accuracy of this technology in practical application is still challenging, because the recognition ...
He Li +3 more
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Mechanism on Activation of Coal Gangue Admixture
Advances in Civil Engineering, 2021 Coal gangue, an industrial waste, is rich in silicon and aluminum phase and may be used as a mineral admixture in concrete after moderately stimulating activity, allowing for efficient solid waste utilization. This study used a mortar strength and activity evaluation method to investigate single or compound activation methods to find the optimum ...
Jixi Chen +3 more
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Durability of Concrete With Coal Gasification Slag and Coal Gangue Powder [PDF]
Frontiers in Materials, 2022 Lack and quality decrease of supplementary cementing materials (SCMs) such as fly ash and granulated blast-furnace slag is increasingly prominent in China. Thus, the use of coal gangue (CG) and coal gasification slag (CGS) as SCMs in concrete attracted more researcher’s attention.
Xiaoliang Zhu +3 more
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Experimental Study on Dynamic Mechanical Properties of Coal Gangue Concrete
Advances in Materials Science and Engineering, 2020 In order to study the static and dynamic mechanical characteristics of the coal gangue concrete used in the mine support structure, the compressive strength test, the drop weight impact test, and the Split Hopkinson Pressure Bar (SHPB) test were ...
Zhishu Yao +4 more
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Advances in Materials Science and Engineering, 2021 In order to study the freeze-thaw damage law of the basic mechanical properties and fracture performance of coal gangue concrete, four kinds of coal gangue concrete specimens with different replacement rates of coal gangue coarse aggregate were designed,
Min Huang, Jingmin Duan, Jiakai Wang
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Coal gangue in asphalt pavement: A review of applications and performance influence
Case Studies in Construction MaterialsThe comprehensive utilization of coal gangue is low, and this causes serious environment problems and security risks. The physical and chemical properties of coal gangue were analyzed in this paper, and the estimated value of different chemical ...
Luo Yaofei, Zhao Xingchen, Zhang Ke
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