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Monitoring of Roof Bolting as an Element of the Project of the Introduction of Roof Bolting in Polish Coal Mines—Case Study

Author

Listed:
  • Artur Dyczko

    (Mineral and Energy Economy Research Institute of the Polish Academy of Sciences, J. Wybickiego 7a, 31-261 Kraków, Poland)

  • Paweł Kamiński

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

  • Jacek Jarosz

    (Mineral and Energy Economy Research Institute of the Polish Academy of Sciences, J. Wybickiego 7a, 31-261 Kraków, Poland)

  • Zbigniew Rak

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

  • Dariusz Jasiulek

    (KOMAG Institute of Mining Technology, Pszczyńska 37, 44-101 Gliwice, Poland)

  • Tomasz Sinka

    (KOMAG Institute of Mining Technology, Pszczyńska 37, 44-101 Gliwice, Poland)

Abstract

Roof bolting is the most popular type of support for underground mines’ workings. However, in Polish coal mines it is used only as a supplementary support. To raise the effectiveness and economic score of horizontal development works, JSW (Jastrzębska Spółka Węglowa) started a project to introduce the independent rock bolting support in its mines. The key element of the project is the monitoring of mine workings supported with roof bolting, as appropriate control allows one to ensure a proper level of safety. The following work presents a monitoring system for mine working supported with roof bolting applied in the project, as well as results of the measurements obtained using this system. The aim of the monitoring was to prove that independent roof bolting provides a proper level of safety and thus is applicable in conditions of Polish underground coal mines, particularly Budryk mine. It was to be proved by the evaluation of data obtained from instrumented bolts, extensometers of different type and convergence measurements. These results allowed us to verify the validity and reliability of the roof bolting in geological and mining conditions of Silesian Coal Basin.

Suggested Citation

  • Artur Dyczko & Paweł Kamiński & Jacek Jarosz & Zbigniew Rak & Dariusz Jasiulek & Tomasz Sinka, 2021. "Monitoring of Roof Bolting as an Element of the Project of the Introduction of Roof Bolting in Polish Coal Mines—Case Study," Energies, MDPI, vol. 15(1), pages 1-17, December.
    • Handle: RePEc:gam:jeners:v:15:y:2021:i:1:p:95-:d:709783
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