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Comparative Analysis of the Mining Cribs Models Filled with Gangue

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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

In the article, comparative laboratory strength tests of three-point and four-point wooden cribs models are presented. In the case of cribs with a triangular cross-section, the notches made at an angle of 60 degrees were used for the first time. The individual beams of the three-point and four-point cribs were stacked horizontally and connected to each other by means of a quick-drying adhesive. The main aim of the research was to compare the empty models with cribs filled with a gangue. In order to better understand the mechanism of behavior of models under loads, load-displacement and pressure-compressibility characteristics are presented. It was found that filling the three-point and four-point crib with gangue increases its maximal load several times compared to the empty cribs.

Suggested Citation

  • Krzysztof Skrzypkowski, 2020. "Comparative Analysis of the Mining Cribs Models Filled with Gangue," Energies, MDPI, vol. 13(20), pages 1-18, October.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:20:p:5290-:d:426535
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    References listed on IDEAS

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    1. Yıldız, Taşkın Deniz, 2020. "Waste management costs (WMC) of mining companies in Turkey: Can waste recovery help meeting these costs?," Resources Policy, Elsevier, vol. 68(C).
    2. Wenhao Cao & Xufeng Wang & Peng Li & Dongsheng Zhang & Chundong Sun & Dongdong Qin, 2018. "Wide Strip Backfill Mining for Surface Subsidence Control and Its Application in Critical Mining Conditions of a Coal Mine," Sustainability, MDPI, vol. 10(3), pages 1-16, March.
    3. Krzysztof Skrzypkowski & Waldemar Korzeniowski & Krzysztof Zagórski & Anna Zagórska, 2020. "Modified Rock Bolt Support for Mining Method with Controlled Roof Bending," Energies, MDPI, vol. 13(8), pages 1-20, April.
    4. Krzysztof Skrzypkowski, 2020. "Case Studies of Rock Bolt Support Loads and Rock Mass Monitoring for the Room and Pillar Method in the Legnica-G?ogów Copper District in Poland," Energies, MDPI, vol. 13(11), pages 1-20, June.
    5. 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.
    6. 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.
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    Cited by:

    1. 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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