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A Safe and Efficient Mining Method with Reasonable Stress Release and Surface Ecological Protection

Author

Listed:
  • Zhenghu Li

    (School of Geology and Mining Engineering, Xinjiang University, Urumqi 830046, China
    Shenmu Zhangjiamao Mining Co., Ltd., Shaanxi Coal Chemical Industry Group, Xi’an 710000, China)

  • Junhui Zhang

    (School of Geology and Mining Engineering, Xinjiang University, Urumqi 830046, China)

  • Hui Chen

    (School of Geology and Mining Engineering, Xinjiang University, Urumqi 830046, China)

  • Xiuzhi Shi

    (School of Geology and Mining Engineering, Xinjiang University, Urumqi 830046, China)

  • Yanyang Zhang

    (School of Geology and Mining Engineering, Xinjiang University, Urumqi 830046, China)

  • Yanjun Zhang

    (Shenmu Zhangjiamao Mining Co., Ltd., Shaanxi Coal Chemical Industry Group, Xi’an 710000, China)

Abstract

Coal is an important basic energy source, widely distributed throughout the world, but resource abundance is uneven. Despite the need to develop and form new energy sources, coal energy maintains its dominant position. However, due to the uneven distribution and non-renewable nature of coal resources, the relationship between the supply and demand of coal resources is tight. The rational exploitation of coal and reducing resource mining wastes are particularly important at the present stage. The original mining method of the Zhangjiamao coal mine resulted in a large waste of coal resources. After replacing the “110 construction method”, the original advanced end-support was canceled, which saved a lot of process time and engineering costs and greatly improved the mine production efficiency. With an average mining depth of +300 m, the working face is in a safe and stable state, and the 110-mining process has little impact on surface subsidence. Its successful application provides a reference experience for other mines to promote resource-saving and efficient mining.

Suggested Citation

  • Zhenghu Li & Junhui Zhang & Hui Chen & Xiuzhi Shi & Yanyang Zhang & Yanjun Zhang, 2022. "A Safe and Efficient Mining Method with Reasonable Stress Release and Surface Ecological Protection," Sustainability, MDPI, vol. 14(9), pages 1-12, April.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:9:p:5348-:d:804933
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    References listed on IDEAS

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    1. Xingyu Zhang & Liang Chen & Yubing Gao & Jinzhu Hu & Jun Yang & Manchao He, 2019. "Study of An Innovative Approach of Roof Presplitting for Gob-Side Entry Retaining in Longwall Coal Mining," Energies, MDPI, vol. 12(17), pages 1-16, August.
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