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Analysis and Prevention of Geo-Environmental Hazards with High-Intensive Coal Mining: A Case Study in China’s Western Eco-Environment Frangible Area

Author

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  • Qiang Sun

    (Key Laboratory of Deep Coal Resource Mining, School of Mines, Ministry of Education of China, China University of Mining and Technology, Xuzhou 221116, China
    School of Civil, Environmental and Mining Engineering, The University of Western Australia, Perth 6009, Australia)

  • Jixiong Zhang

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

  • Qiang Zhang

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

  • Xu Zhao

    (School of Civil, Environmental and Mining Engineering, The University of Western Australia, Perth 6009, Australia)

Abstract

This study seeks to address the problems of major geo-environmental hazards caused by high-intensive coal mining in China’s western eco-environment frangible area including strong mining pressure, surface subsidence, soil and water loss, and land desertification. Using the high-intensive mining at the Xiao-jihan Coal Mine, this paper investigates the compaction characteristics of aeolian sand-based backfilling materials, and then the evolution of water-conducting fractures and surface deformation laws with different backfill material’s compression ratios (BMCRs) by using physical simulation and numerical simulation analysis methods. This study presents the technical system of water-preserved and environmental protection with rapid-backfilling methods in China’s western eco-environment frangible area. The backfill coal mining technique and application prospects are assessed and discussed. The results will be helpful for coordinated development of coal resources exploitation and environmental protection in China’s western eco-environment frangible area.

Suggested Citation

  • Qiang Sun & Jixiong Zhang & Qiang Zhang & Xu Zhao, 2017. "Analysis and Prevention of Geo-Environmental Hazards with High-Intensive Coal Mining: A Case Study in China’s Western Eco-Environment Frangible Area," Energies, MDPI, vol. 10(6), pages 1-15, June.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:6:p:786-:d:100746
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    References listed on IDEAS

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    1. Dan Ma & Haibo Bai & Yanmeng Wang, 2015. "Mechanical behavior of a coal seam penetrated by a karst collapse pillar: mining-induced groundwater inrush risk," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 75(3), pages 2137-2151, February.
    2. Yanli Huang & Junmeng Li & Tianqi Song & Guoqiang Kong & Meng Li, 2016. "Analysis on Filling Ratio and Shield Supporting Pressure for Overburden Movement Control in Coal Mining with Compacted Backfilling," Energies, MDPI, vol. 10(1), pages 1-23, December.
    3. Qiang Sun & Jixiong Zhang & Qiang Zhang & Wei Yin & Deon Germain, 2016. "A protective seam with nearly whole rock mining technology for controlling coal and gas outburst hazards: a case study," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 84(3), pages 1793-1806, December.
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    2. Yaokun Fu & Jianxuan Shang & Zhenqi Hu & Pengyu Li & Kun Yang & Chao Chen & Jiaxin Guo & Dongzhu Yuan, 2021. "Ground Fracture Development and Surface Fracture Evolution in N00 Method Shallowly Buried Thick Coal Seam Mining in an Arid Windy and Sandy Area: A Case Study of the Ningtiaota Mine (China)," Energies, MDPI, vol. 14(22), pages 1-18, November.
    3. Kang Ma & Yuxiu Zhang & Mengying Ruan & Jing Guo & Tuanyao Chai, 2019. "Land Subsidence in a Coal Mining Area Reduced Soil Fertility and Led to Soil Degradation in Arid and Semi-Arid Regions," IJERPH, MDPI, vol. 16(20), pages 1-14, October.
    4. Bin Zhang & Jiacheng Ye & Zhongjian Zhang & Liang Xu & Nengxiong Xu, 2019. "A Comprehensive Method for Subsidence Prediction on Two-Seam Longwall Mining," Energies, MDPI, vol. 12(16), pages 1-18, August.
    5. Jinshuai Guo & Liqiang Ma & Ye Wang & Fangtian Wang, 2017. "Hanging Wall Pressure Relief Mechanism of Horizontal Section Top-Coal Caving Face and Its Application—A Case Study of the Urumqi Coalfield, China," Energies, MDPI, vol. 10(9), pages 1-20, September.

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