Showing 841 - 860 results of 4,780 for search '"mining"', query time: 0.09s Refine Results
  1. 841

    Risk Assessment of Water and Sand Inrush in Mining under Thick Loose Layer Based on Comprehensive Weight-Cloud Model by Wenquan Zhang, Xintao Wu, Xunan Wu, Yu Lei, Jianli Shao, Zaiyong Wang

    Published 2023-01-01
    “…Many deep mining mines in southwestern Shandong Province of China are covered with thick loose layers. …”
    Get full text
    Article
  2. 842

    A Gas Seepage Modeling Study for Mitigating Gas Accumulation Risk in Upper Protective Coal Seam Mining Process by Cun Zhang, Lei Zhang, Mingxue Li, Chen Wang

    Published 2018-01-01
    “…Protective coal seam mining (PCSM) is one of the most significant mitigation measures of regional outburst in the process of deep coal seam mining, which has high outburst risk in China. …”
    Get full text
    Article
  3. 843
  4. 844
  5. 845
  6. 846
  7. 847
  8. 848

    Comprehensive Monitoring Research on the Effect of Roof Cutting and Pressure Release: A Case Study of the Jiulishan Coal Mine in China by Lei Huang, Shengli Yang, Yanchun Xu, Yaqi Luo, Hongzhi Yuan

    Published 2022-01-01
    “…The longwall panel of the Jiulishan coal mine is affected by floor-confined water, while the roof rock weighting makes the production management of some longwall panels difficult. …”
    Get full text
    Article
  9. 849

    Study on Rules of Fault Stress Variation Based on Microseismic Monitoring and Numerical Simulation at the Working Face in the Dongjiahe Coal Mine by Ke Ma, Fuzhen Yuan, Duanyang Zhuang, Quansheng Li, Zhenwei Wang

    Published 2019-01-01
    “…Microseismic monitoring technology was used to study the real-time evolution of rock mass damage generated by a working face as it approached a fault in Dongjiahe Coal Mine. The influence of vertical zoning of overlying strata on damage at the fault was analyzed. …”
    Get full text
    Article
  10. 850

    Physical Similarity Simulation of Closely Stacked Coal Seams Mined in Faulted Geological Environments: A Comprehensive Experimental Investigation by Yapeng Zhao, Liang Kong, Gaowei Hu, Peisen Zhang, Yunkai Ji

    Published 2025-01-01
    “…ABSTRACT The mining of closely stacked coal seams can be associated with complex stress fields, which makes mining difficult. …”
    Get full text
    Article
  11. 851
  12. 852

    Three-Dimensional Physical Similarity Simulation of the Deformation and Failure of a Gas Extraction Surface Well in a Mining Area by Junhui Fu, Haitao Sun, Guangcai Wen, Rifu Li

    Published 2020-01-01
    “…Surface well deformation and failure in a mining area are a key issue challenging the surface well gas extraction technique. …”
    Get full text
    Article
  13. 853

    Mathematical Model of Maximum Commutation Half Cycle for Thermal Countercurrent Oxidation of Low-Concentration Gas in Coal Mine Ventilation by Kuan Wu, Shiliang Shi, Yong Chen

    Published 2021-01-01
    “…The Fluent computational fluid dynamics software was used to study the relevant factors affecting the maximum commutation half cycle for thermal countercurrent oxidation of low-concentration gas in coal mine ventilation. Based on orthogonal experiments, the maximum commutation half cycle for thermal countercurrent oxidation of the exhaust gas in the coal mine ventilation under 25 working conditions with the combination of different methane concentrations, inlet speeds, porosities, and oxidation bed filling lengths is investigated. …”
    Get full text
    Article
  14. 854
  15. 855
  16. 856
  17. 857
  18. 858
  19. 859
  20. 860