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Choice of the Arch Yielding Support for the Preparatory Roadway Located near the Fault

Author

Listed:
  • Krzysztof Skrzypkowski

    (Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology, Mickiewicza 30 Av., 30-059 Kraków, Poland)

  • Krzysztof Zagórski

    (Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, Mickiewicza 30 Av., 30-059 Kraków, Poland)

  • Anna Zagórska

    (Research Centre in Kraków, Institute of Geological Sciences, Polish Academy of Science, Senacka 1, 31-002 Kraków, Poland)

  • Derek B. Apel

    (School of Mining and Petroleum Engineering, University of Alberta, Edmonton, AB T6G 2R3, Canada)

  • Jun Wang

    (School of Mining and Petroleum Engineering, University of Alberta, Edmonton, AB T6G 2R3, Canada)

  • Huawei Xu

    (School of Mining and Petroleum Engineering, University of Alberta, Edmonton, AB T6G 2R3, Canada)

  • Lijie Guo

    (BGRIMM Technology Group, No. 22, Beixing Road, Daxing District, Beijing 102628, China
    National Centre for International Research on Green Metal Mining, Beijing 100160, China)

Abstract

The article presents a method of selecting an arch yielding support for preparatory workings driven in a hard coal seam. Particular attention was paid to discontinuous deformation in the form of a fault, which significantly contributes to the change of the excavation protection schemes. On the basis of the geometry of the machines and devices in the designed excavation, the support was selected, which was then checked for the ventilation criterion. In the next stage, analytical calculations were carried out using the determined spacing of the steel support in the fault zone and the area outside of it. Additionally, using the RS3 numerical software based on the finite element method, a rock mass model with a fault was built, through which the preparatory excavation passes. The aim of the research was to determine the total displacements occurring in the fault crossing zone for the excavation without support and with the use of steel arch yielding and with additional reinforcement in the form of straight segments. In conclusion, it was found that the variants of the excavation reinforcement can be modeled and selected in advance, which allows for the fastest possible execution of the driving and the maintenance of the minimum movement dimensions while passing through the fault.

Suggested Citation

  • Krzysztof Skrzypkowski & Krzysztof Zagórski & Anna Zagórska & Derek B. Apel & Jun Wang & Huawei Xu & Lijie Guo, 2022. "Choice of the Arch Yielding Support for the Preparatory Roadway Located near the Fault," Energies, MDPI, vol. 15(10), pages 1-21, May.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:10:p:3774-:d:820283
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    References listed on IDEAS

    as
    1. Hui Liu & Zhenhua Jiang & Wansheng Chen & Fei Chen & Fenglin Ma & Donghao Li & Zhaoyang Liu & Hongke Gao, 2022. "A Simulation Experimental Study on the Advance Support Mechanism of a Roadway Used with the Longwall Coal Mining Method," Energies, MDPI, vol. 15(4), pages 1-10, February.
    2. Deyu Qian & Nong Zhang & Dongjiang Pan & Zhengzheng Xie & Hideki Shimada & Yang Wang & Chenghao Zhang & Nianchao Zhang, 2017. "Stability of Deep Underground Openings through Large Fault Zones in Argillaceous Rock," Sustainability, MDPI, vol. 9(11), pages 1-28, November.
    3. Peng Wang & Nong Zhang & Jiaguang Kan & Bin Wang & Xingliang Xu, 2021. "Stabilization of Rock Roadway under Obliquely Straddle Working Face," Energies, MDPI, vol. 14(18), pages 1-23, September.
    4. Renshu Yang & Qinghai Li & Qing Li & Xianlei Zhu, 2017. "Assessment of Bearing Capacity and Stiffness in New Steel Sets Used for Roadway Support in Coal Mines," Energies, MDPI, vol. 10(10), pages 1-16, October.
    5. Hai Wu & Qian Jia & Weijun Wang & Nong Zhang & Yiming Zhao, 2021. "Experimental Test on Nonuniform Deformation in the Tilted Strata of a Deep Coal Mine," Sustainability, MDPI, vol. 13(23), pages 1-14, November.
    6. Jianhang Chen & Xin Dai & Junwen Zhang, 2021. "Analytical Study of the Confining Medium Diameter Impact on Load-Carrying Capacity of Rock Bolts," Mathematical Problems in Engineering, Hindawi, vol. 2021, pages 1-8, April.
    7. Yu Xiong & Dezhong Kong & Zhanbo Cheng & Zhijie Wen & Zhenqian Ma & Guiyi Wu & Yong Liu, 2021. "Instability Control of Roadway Surrounding Rock in Close-Distance Coal Seam Groups under Repeated Mining," Energies, MDPI, vol. 14(16), pages 1-19, August.
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    Cited by:

    1. Zhiliang Yang & Cun Zhang & Donghui Yang, 2023. "Investigation of the Time-Dependent Stability of a Coal Roadway under the Deep High-Stress Condition Based on the Cvisc Creep Model," Sustainability, MDPI, vol. 15(17), pages 1-18, August.
    2. Qinzheng Wu & Huanxin Liu & Bing Dai & Li Cheng & Danli Li & Penghui Qin, 2023. "Influence of Base-Angle Bolt Support Parameters and Different Sections on Overall Stability of a Roadway under a Deeply Buried High Stress Environment Based on Numerical Simulation," Sustainability, MDPI, vol. 15(3), pages 1-15, January.

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    More about this item

    Keywords

    arch yielding support; fault; minimal section method; RS3;
    All these keywords.

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