Showing 861 - 880 results of 4,780 for search '"mining"', query time: 0.10s Refine Results
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    Research on Slope Stability Evaluation Based on Improved Set Pair Analysis Method: A Case of Tonglvshan Open-Pit Mine by Xiaojie Yang, Zhenli Hao, Gaotong Ma, Gan Li

    Published 2021-01-01
    “…Taking the east-side slope of Tonglvshan north open-pit mine in Daye as an example, the proposed method is verified. …”
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    Article
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    Experimental Study on the Flow Behavior of Grout Used in Horizontal Directional Drilling Borehole Grouting to Seal Mining-Induced Overburden Fractures by Jinfeng Ju, Jialin Xu, Jing Yang

    Published 2021-01-01
    “…The development of water-conducting fractures from underground coal mining is a geological cause of groundwater loss. …”
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    Article
  11. 871

    Control and Application of Terrain Curvature on Dynamic Disasters: A Case Study of Coal and Gas Outbursts in the Pingdingshan Mining Area, China by Dequan Sun, Ying Chen, Xiaoyan Li, Chunhui Huang, Huairui Su, Rujiao Chen

    Published 2021-01-01
    “…Based on coal and gas outburst mining area topography, a risk evaluation index for mine dynamic disasters in relation to terrain curvature is presented by analyzing the terrain curvature formation and determining its classification and computational methods. …”
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  12. 872

    Optimization and Practice for Partition Pressure Relief of Deep Mining Roadway Using Empty-Hole and Deep-Hole Blasting to Weaken Coal by Baobao Chen, Changyou Liu, Fengfeng Wu

    Published 2021-01-01
    “…Rockbursts are among the most harmful dynamic disasters, threatening the personnel safety and mine operation. In order to alleviate stress concentration of roadsides and prevent rockbursts, the large-diameter boreholes and deep-hole blasting are employed for partition pressure relief in the deep mining roadway. …”
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  13. 873

    An Investigation of the Levels and Distribution of Selected Heavy Metals in Sediments and Plant Species within the Vicinity of Ex-Iron Mine in Bukit Besi by Ahmad A. Kutty, Sarah A. Al-Mahaqeri

    Published 2016-01-01
    “…An assessment of the abandoned mine impacts on the concentrations and distribution of heavy metals in surface sediments and plant species within the vicinity of an ex-iron mine in Malaysia was conducted. …”
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  14. 874

    Study on the heat transfer characteristics of mine roadway surrounding rock under periodic airflow temperature: Numerical simulation and experimental validation by Mingyan Guo, Yueping Qin, Dongyang Han, Fei Tang, Shibin Wang, Hairong Wang

    Published 2025-02-01
    “…Studying the effect of periodic airflow temperature on the heat dissipation of surrounding rock is the basis for revealing the causes of seasonal mine heat damage. In this work, a heat transfer mathematical model of roadway surrounding rock under periodic airflow temperature was established. …”
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    Optimization Technology of Frequency Conversion Constant Pressure Control System of Mine Emulsion Pump Station in Electrical Engineering and Automation Specialty by Cong Tian, Xiwen Wei, Chao Yang, Chang Su

    Published 2021-01-01
    “…No matter in metal mines or coal mines, an emulsion pump station has a wide range of application market and can play an important role. …”
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  17. 877

    Accurate Perception of Rock Strata Movement for Environmental Protection in Coal Mining: Taking Thick and Hard Roof Cooperative Control as an Example by Tong Zhao, Changyou Liu, Kaan Yetilmezsoy, Majid Bahramian, Peilin Gong

    Published 2021-01-01
    “…Accurate perception of the key stratum instability can improve the safety of coal mining and also provide a basis for alleviating overlying rock strata destruction and environmental disturbance. …”
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  18. 878

    Reasonable Scope of Kilometer Drilling in Lower Layer of Extrathick Coal Seam: A Case Study of Tingnan Coal Mine, China by Delong Zou, Xiang Zhang

    Published 2021-01-01
    “…The 205 working face of Tingnan Coal Mine is taken as the test background in this paper, and based on the “pressure-relief and flow-increase” effect of the lower layer under the action of mining stress during the upper layer mining, the gas drainage of kilometer directional drilling in lower layer is studied. …”
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  19. 879

    Investigation on the Movement and Fracture Characteristics of an Extra-Thick Hard Roof during Longwall Panel Extraction in the Yima Mining Area, China by Hongwei Wang, Daixin Deng, Ruiming Shi, Guozhen Yang, Shuo Xu, Yaodong Jiang

    Published 2021-01-01
    “…As an extra-thick hard roof is a significant contributing factor to frequently induced sudden roof collapse accidents and coal bursts, this study investigates the relationship between extra-thick hard roof movement and mining-induced stress using physical experiments and numerical simulation methods based on mining activities in a longwall panel in the Yima mining area, Henan province, China. …”
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