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Rock Burst Risk Assessment for Coal Mining in Coal Pillars Under Complex Geological Conditions

Author

Listed:
  • Xingyu Jiang

    (China Coal Research Institute, Beijing 100013, China)

  • Chi Liu

    (Deep Mining and Rock Burst Research Branch, Chinese Institute of Coal Science, Beijing 100013, China)

  • Haitao Li

    (Deep Mining and Rock Burst Research Branch, Chinese Institute of Coal Science, Beijing 100013, China)

  • Tuan He

    (Deep Mining and Rock Burst Research Branch, Chinese Institute of Coal Science, Beijing 100013, China)

  • Pengyu Mu

    (Deep Mining and Rock Burst Research Branch, Chinese Institute of Coal Science, Beijing 100013, China)

  • Huaguang Liu

    (China Coal Research Institute, Beijing 100013, China
    Deep Mining and Rock Burst Research Branch, Chinese Institute of Coal Science, Beijing 100013, China)

  • Yiqin Liu

    (Deep Mining and Rock Burst Research Branch, Chinese Institute of Coal Science, Beijing 100013, China)

  • Zhihan Li

    (China Coal Research Institute, Beijing 100013, China
    Deep Mining and Rock Burst Research Branch, Chinese Institute of Coal Science, Beijing 100013, China)

Abstract

To address the rock burst safety hazards encountered during coal seam mining in coal pillar areas under complex geological conditions and ensure sustainable and stable mine production, this study investigates the coal pillar area of a ventilation shaft in a mining area. Through an integrated approach incorporating field investigation, laboratory testing, numerical simulation, and engineering analogy, systematic research was conducted on rock burst mechanisms, geological modeling, and risk assessment. The results indicate that rock bursts in this coal pillar area represent tectonic-type disasters dominated by tectonic stress and induced by multi-factor coupling, with the coal seam exhibiting weak burst proneness. Based on a refined three-dimensional geological model constructed from borehole data, combined with mesh optimization and FDEM (Finite-Discrete Element Method) numerical simulations, precise delineation of rock burst hazard zones was achieved. These findings provide theoretical foundations and technical paradigms for safe mining operations in coal pillar area as under similar complex geological conditions, contributing to the sustainable development of coal resources through enhanced safety, extended mine service life, and optimized resource utilization.

Suggested Citation

  • Xingyu Jiang & Chi Liu & Haitao Li & Tuan He & Pengyu Mu & Huaguang Liu & Yiqin Liu & Zhihan Li, 2026. "Rock Burst Risk Assessment for Coal Mining in Coal Pillars Under Complex Geological Conditions," Sustainability, MDPI, vol. 18(6), pages 1-24, March.
    • Handle: RePEc:gam:jsusta:v:18:y:2026:i:6:p:2939-:d:1896436
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