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Determination of the Backfilling Time for the Zinc and Lead Ore Deposits with Application of the BackfillCAD Model

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  • Krzysztof Skrzypkowski

    (Faculty of Mining and Geoengineering, AGH University of Science and Technology, Mickiewicza 30 av., 30-059 Kraków, Poland)

Abstract

This article introduces a BackfillCAD model that relates to the determination of the backfilling time. The relationship of the individual model modules using a flow chart are characterized and presented. The main aim of the research was to determine the time of backfilling for the prospective deposits of zinc and lead ores in the Olkusz region in Poland. In the first stage of the research, laboratory tests were carried out on the backfilling mixture consisting of sand and water in a 1:1 volume ratio. In the laboratory tests, the content of grains below 0.1 mm, the washability, water permeability, and compressibility of the backfilling mixture were determined. After the standard requirements were met by the backfilling mixture, the arrangement of one-way and bidirectional strip excavations was designed. In the next stages, by means of computer aided-design MineScape software, maximum thicknesses of the ore-bearing dolomite layer (T21_VI) for four geological cross-sections were determined. The height of the first backfilled layer with a thickness of 5 m was analyzed. Taking into account the geometrical parameters of the strip—the maximum length and its width and height, as well as the capacity of the backfilling installation—this study calculated the backfilling times for the future strip excavations.

Suggested Citation

  • Krzysztof Skrzypkowski, 2021. "Determination of the Backfilling Time for the Zinc and Lead Ore Deposits with Application of the BackfillCAD Model," Energies, MDPI, vol. 14(11), pages 1-19, May.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:11:p:3186-:d:565142
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    References listed on IDEAS

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    1. Nan Zhou & Hao Yan & Shuyin Jiang & Qiang Sun & Shenyang Ouyang, 2019. "Stability Analysis of Surrounding Rock in Paste Backfill Recovery of Residual Room Pillars," Sustainability, MDPI, vol. 11(2), pages 1-13, January.
    2. Shaojie Chen & Dawei Yin & Fengwei Cao & Yong Liu & Kaiqiang Ren, 2016. "An overview of integrated surface subsidence-reducing technology in mining areas of China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 81(2), pages 1129-1145, March.
    3. Peng Huang & Sam Spearing & Feng Ju & Kashi Vishwanath Jessu & Zhongwei Wang & Pai Ning, 2019. "Control Effects of Five Common Solid Waste Backfilling Materials on In Situ Strata of Gob," Energies, MDPI, vol. 12(1), pages 1-14, January.
    4. Jin Wu, 2020. "Research on sublevel open stoping recovery processes of inclined medium-thick orebody on the basis of physical simulation experiments," PLOS ONE, Public Library of Science, vol. 15(5), pages 1-18, May.
    5. Shaojie Chen & Dawei Yin & Fengwei Cao & Yong Liu & Kaiqiang Ren, 2016. "An overview of integrated surface subsidence-reducing technology in mining areas of China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 81(2), pages 1129-1145, March.
    6. Krzysztof Skrzypkowski, 2019. "The Influence of Room and Pillar Method Geometry on the Deposit Utilization Rate and Rock Bolt Load," Energies, MDPI, vol. 12(24), pages 1-15, December.
    7. Krzysztof Skrzypkowski, 2020. "Decreasing Mining Losses for the Room and Pillar Method by Replacing the Inter-Room Pillars by the Construction of Wooden Cribs Filled with Waste Rocks," Energies, MDPI, vol. 13(14), pages 1-20, July.
    8. Yanli Huang & Jixiong Zhang & Wei Yin & Qiang Sun, 2017. "Analysis of Overlying Strata Movement and Behaviors in Caving and Solid Backfilling Mixed Coal Mining," Energies, MDPI, vol. 10(7), pages 1-16, July.
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    Cited by:

    1. Krzysztof Skrzypkowski & Krzysztof Zagórski & Anna Zagórska & Fhatuwani Sengani, 2022. "Access to Deposits as a Stage of Mining Works," Energies, MDPI, vol. 15(22), pages 1-16, November.
    2. Krzysztof Skrzypkowski, 2021. "3D Numerical Modelling of the Application of Cemented Paste Backfill on Displacements around Strip Excavations," Energies, MDPI, vol. 14(22), pages 1-17, November.
    3. Yuqing Wang & Yongkui Shi & Jian Hao, 2023. "Safety Evaluation and Simulation Research of Filling Mining Mine—A Case Study of Jisuo Coal Mine," Sustainability, MDPI, vol. 15(13), pages 1-23, June.

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