Results 41 to 50 of about 4,130 (213)
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
openaire +2 more sources
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
doaj +1 more source
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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Mass measurement of coal gangue.
, 2023 (a) Coal; (b) Gangue.
Shijie Yang (409891) +6 more
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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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MnO2-TiO2 Composite Additives Driven Low-Cost Fabrication of Coal Gangue/Bauxite Ceramic Proppants [PDF]
The urgency of resource utilization for coal gangue has driven innovations toward its high-value processing technologies. Although coal gangue can serve as a low-cost source of silicon and aluminum—reducing raw material costs by 14% compared to pure ...
Yuan, Tian +10 more
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Deep Underground Science and Engineering, EarlyView.In response to the problem of strong mining pressure manifestation along the goaf roadway in a thick coal seam mining area, this study uses a new type of combined blasting roof cutting technology to effectively control the manifestation and deformation of mining pressure along the goaf roadway.
Xiaoding Xu +6 more
wiley +1 more source
Meitan kexue jishu, 2023 Aiming at the problem of poor imaging quality of coal and gangue surface features and low identification rate of coal and gangue caused by insufficient illumination conditions in the process of online coal separation,a new high-quality coal gangue image ...
CAO Xiangang +5 more
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Review of Research on the Properties and Resource Utilization of Coal Gangue Concrete
Kuangchan zonghe liyong, 2023 Coal gangue is a by-product of the production of coal-associated minerals, and belongs to bulk solid waste material. coal gangue concrete is an important practice for its resource utilization.
Yousheng Deng +5 more
doaj +1 more source
steel research international, EarlyView.Hydrogen‐based direct reduced iron (H‐DRI) melts differently from scrap and carbon‐bearing DRI. This work combines differential scanning calorimetry experiments, FactSage thermodynamics, and simple composition‐based regression to predict solidus, liquidus, heat capacity, and enthalpy for H‐DRI.
Ankur Agnihotri +3 more
wiley +1 more source