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The Stability of Roadway Groups under Rheology Coupling Mining Disturbance

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  • Sen Yang

    (School of Mines, China University of Mining and Technology, Xuzhou 221116, China
    Key Laboratory of Deep Coal Resource Mining of the Ministry of Education, University of Mining and Technology, Xuzhou 221116, China)

  • Guichen Li

    (School of Mines, China University of Mining and Technology, Xuzhou 221116, China
    Key Laboratory of Deep Coal Resource Mining of the Ministry of Education, University of Mining and Technology, Xuzhou 221116, China)

  • Ruiyang Bi

    (School of Resources and Safety Engineering, Central South University, Changsha 410083, China)

  • Bicheng Yao

    (School of Mines, China University of Mining and Technology, Xuzhou 221116, China
    Key Laboratory of Deep Coal Resource Mining of the Ministry of Education, University of Mining and Technology, Xuzhou 221116, China)

  • Ruiguang Feng

    (School of Mines, China University of Mining and Technology, Xuzhou 221116, China
    Key Laboratory of Deep Coal Resource Mining of the Ministry of Education, University of Mining and Technology, Xuzhou 221116, China)

  • Yuantian Sun

    (School of Mines, China University of Mining and Technology, Xuzhou 221116, China
    Key Laboratory of Deep Coal Resource Mining of the Ministry of Education, University of Mining and Technology, Xuzhou 221116, China)

Abstract

The deep roadway groups play an important role in transportation and ventilation in coal mine production. Therefore, it is very important to comprehensively analyze the coupling effect of rheological deformation and coal mining on the stability of the roadway groups. In this paper, the disturbance effects of different stop-mining lines on roadway groups under long-term rheology were investigated by numerical simulation, and the failure mechanism of roadway groups with large sections and multiple disturbances in a deep well was revealed. The results show that the long working face will lead to the collapse of key strata, and the influence range will spread to the adjacent roadway groups. When the distance between the working face and the stop-mining line is 100 m, the roadway groups cannot be affected by the working face mining, and the reserved width of the coal pillar can be determined to be 100 m, which increases the stability of the roadway’s surrounding rock and maintains the mine safety production. This paper aims to provide a reference for groups design and control under similar conditions.

Suggested Citation

  • Sen Yang & Guichen Li & Ruiyang Bi & Bicheng Yao & Ruiguang Feng & Yuantian Sun, 2021. "The Stability of Roadway Groups under Rheology Coupling Mining Disturbance," Sustainability, MDPI, vol. 13(21), pages 1-18, November.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:21:p:12300-:d:674108
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    References listed on IDEAS

    as
    1. Yuantian Sun & Guichen Li & Junfei Zhang & Jiahui Xu, 2020. "Failure Mechanisms of Rheological Coal Roadway," Sustainability, MDPI, vol. 12(7), pages 1-17, April.
    2. Małkowski Piotr & Ostrowski Łukasz & Bachanek Piotr, 2017. "Modelling the Small Throw Fault Effect on the Stability of a Mining Roadway and Its Verification by In Situ Investigation," Energies, MDPI, vol. 10(12), pages 1-21, December.
    3. Yuantian Sun & Guichen Li & Junfei Zhang & Deyu Qian, 2019. "Stability Control for the Rheological Roadway by a Novel High-Efficiency Jet Grouting Technique in Deep Underground Coal Mines," Sustainability, MDPI, vol. 11(22), pages 1-17, November.
    4. Yuantian Sun & Guichen Li & Junfei Zhang & Junbo Sun & Jiandong Huang & Reza Taherdangkoo, 2021. "New Insights of Grouting in Coal Mass: From Small-Scale Experiments to Microstructures," Sustainability, MDPI, vol. 13(16), pages 1-17, August.
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    Cited by:

    1. Dongdong Chen & Fangfang Guo & Zijian Li & Xiang Ma & Shengrong Xie & Yiyi Wu & Zhiqiang Wang, 2022. "Study on the Influence and Control of Stress Direction Deflection and Partial-Stress Boosting of Main Roadways Surrounding Rock and under the Influence of Multi-Seam Mining," Energies, MDPI, vol. 15(21), pages 1-24, November.
    2. Shengrong Xie & Yiyi Wu & Fangfang Guo & Hang Zou & Dongdong Chen & Xiao Zhang & Xiang Ma & Ruipeng Liu & Chaowen Wu, 2022. "Application of Pre-Splitting and Roof-Cutting Control Technology in Coal Mining: A Review of Technology," Energies, MDPI, vol. 15(17), pages 1-20, September.

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