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Experiment Study on Coal Roadways Roof Monitoring Based on the Pre-stretched Optical Fiber Lay out at Fixed-points

Received: 24 September 2020     Accepted: 30 September 2020     Published: 7 October 2020
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Abstract

The safety monitoring of coal roadways roof is the key to prevent roof accidents and ensure coal mines safety. However, the monitoring blind zones caused by traditional methods is one of the main reasons of frequent roof accidents. To ensure the safety of coal mines production, a novel roof monitoring method is proposed in this paper, which is based on the distributed optical fiber sensing (DOFS) and the pre-stretched optical fiber layout at fixed points (POFLF). The research of this approach has been carried out through analysis of DOFS optical fiber strain monitoring and POFLF theory, and with the help of indoor optical fiber strain experiment. Finally the approach was applied in the field monitoring of a coal roadway roof. Aforementioned verified the optical fiber strain distribution not only accurately indicate the roof settlement range, but also qualitatively and quantitatively demonstrate the roof subsidence displacement. The feasibility and validation of the approach as a supplementary or auxiliary resorts in roof safety monitoring were confirmed. The research in this paper not only has important reference significance for the safety monitoring of coal roadways roof under similar geological and production conditions, but be of helpful for improving the coal mine safety as well.

Published in International Journal of Oil, Gas and Coal Engineering (Volume 8, Issue 5)
DOI 10.11648/j.ogce.20200805.12
Page(s) 103-115
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2020. Published by Science Publishing Group

Keywords

Coal Roadway Roof Monitoring, Distributed Optical Fiber Sensing, Brillouin Optic Time-domain Reflectometry, Pre-stretching Optical Fiber Layout at Fixed-point, Quantitative Characterization

References
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Cite This Article
  • APA Style

    Tao Hu, Su Bu, GY Hou, Yan Wang, Ziyi Hu, et al. (2020). Experiment Study on Coal Roadways Roof Monitoring Based on the Pre-stretched Optical Fiber Lay out at Fixed-points. International Journal of Oil, Gas and Coal Engineering, 8(5), 103-115. https://doi.org/10.11648/j.ogce.20200805.12

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    ACS Style

    Tao Hu; Su Bu; GY Hou; Yan Wang; Ziyi Hu, et al. Experiment Study on Coal Roadways Roof Monitoring Based on the Pre-stretched Optical Fiber Lay out at Fixed-points. Int. J. Oil Gas Coal Eng. 2020, 8(5), 103-115. doi: 10.11648/j.ogce.20200805.12

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    AMA Style

    Tao Hu, Su Bu, GY Hou, Yan Wang, Ziyi Hu, et al. Experiment Study on Coal Roadways Roof Monitoring Based on the Pre-stretched Optical Fiber Lay out at Fixed-points. Int J Oil Gas Coal Eng. 2020;8(5):103-115. doi: 10.11648/j.ogce.20200805.12

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  • @article{10.11648/j.ogce.20200805.12,
      author = {Tao Hu and Su Bu and GY Hou and Yan Wang and Ziyi Hu and Zixiang Li and Jinping Liang and Yuliang Zhou and Haoyong Jing},
      title = {Experiment Study on Coal Roadways Roof Monitoring Based on the Pre-stretched Optical Fiber Lay out at Fixed-points},
      journal = {International Journal of Oil, Gas and Coal Engineering},
      volume = {8},
      number = {5},
      pages = {103-115},
      doi = {10.11648/j.ogce.20200805.12},
      url = {https://doi.org/10.11648/j.ogce.20200805.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ogce.20200805.12},
      abstract = {The safety monitoring of coal roadways roof is the key to prevent roof accidents and ensure coal mines safety. However, the monitoring blind zones caused by traditional methods is one of the main reasons of frequent roof accidents. To ensure the safety of coal mines production, a novel roof monitoring method is proposed in this paper, which is based on the distributed optical fiber sensing (DOFS) and the pre-stretched optical fiber layout at fixed points (POFLF). The research of this approach has been carried out through analysis of DOFS optical fiber strain monitoring and POFLF theory, and with the help of indoor optical fiber strain experiment. Finally the approach was applied in the field monitoring of a coal roadway roof. Aforementioned verified the optical fiber strain distribution not only accurately indicate the roof settlement range, but also qualitatively and quantitatively demonstrate the roof subsidence displacement. The feasibility and validation of the approach as a supplementary or auxiliary resorts in roof safety monitoring were confirmed. The research in this paper not only has important reference significance for the safety monitoring of coal roadways roof under similar geological and production conditions, but be of helpful for improving the coal mine safety as well.},
     year = {2020}
    }
    

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  • TY  - JOUR
    T1  - Experiment Study on Coal Roadways Roof Monitoring Based on the Pre-stretched Optical Fiber Lay out at Fixed-points
    AU  - Tao Hu
    AU  - Su Bu
    AU  - GY Hou
    AU  - Yan Wang
    AU  - Ziyi Hu
    AU  - Zixiang Li
    AU  - Jinping Liang
    AU  - Yuliang Zhou
    AU  - Haoyong Jing
    Y1  - 2020/10/07
    PY  - 2020
    N1  - https://doi.org/10.11648/j.ogce.20200805.12
    DO  - 10.11648/j.ogce.20200805.12
    T2  - International Journal of Oil, Gas and Coal Engineering
    JF  - International Journal of Oil, Gas and Coal Engineering
    JO  - International Journal of Oil, Gas and Coal Engineering
    SP  - 103
    EP  - 115
    PB  - Science Publishing Group
    SN  - 2376-7677
    UR  - https://doi.org/10.11648/j.ogce.20200805.12
    AB  - The safety monitoring of coal roadways roof is the key to prevent roof accidents and ensure coal mines safety. However, the monitoring blind zones caused by traditional methods is one of the main reasons of frequent roof accidents. To ensure the safety of coal mines production, a novel roof monitoring method is proposed in this paper, which is based on the distributed optical fiber sensing (DOFS) and the pre-stretched optical fiber layout at fixed points (POFLF). The research of this approach has been carried out through analysis of DOFS optical fiber strain monitoring and POFLF theory, and with the help of indoor optical fiber strain experiment. Finally the approach was applied in the field monitoring of a coal roadway roof. Aforementioned verified the optical fiber strain distribution not only accurately indicate the roof settlement range, but also qualitatively and quantitatively demonstrate the roof subsidence displacement. The feasibility and validation of the approach as a supplementary or auxiliary resorts in roof safety monitoring were confirmed. The research in this paper not only has important reference significance for the safety monitoring of coal roadways roof under similar geological and production conditions, but be of helpful for improving the coal mine safety as well.
    VL  - 8
    IS  - 5
    ER  - 

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Author Information
  • School of Mechanics and Civil Engineering, China University of Mining & Technology, Beijing, China

  • School of Laws and Humanities, China University of Mining & Technology, Beijing, China

  • School of Mechanics and Civil Engineering, China University of Mining & Technology, Beijing, China

  • Shandong Energy Group CO., Ltd., Jinan, China

  • Shandong Energy Group CO., Ltd., Jinan, China

  • School of Mechanics and Civil Engineering, China University of Mining & Technology, Beijing, China

  • School of Mechanics and Civil Engineering, China University of Mining & Technology, Beijing, China

  • School of Mechanics and Civil Engineering, China University of Mining & Technology, Beijing, China

  • School of Mechanics and Civil Engineering, China University of Mining & Technology, Beijing, China

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