Showing 461 - 480 results of 750 for search '"coal mines"', query time: 0.05s Refine Results
  1. 461

    Influence of Roadway Cross-Section Shape on Gas Explosion Shock Wave Law in U-Type Ventilation Working Faces by Jiajia Liu, Mengqi Shen, Shouqi Chen, Ming Yang

    Published 2021-01-01
    “…The research results provide an important theoretical direction for the numerical simulation of gas explosions in coal mining faces.…”
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    Article
  2. 462

    A Method and Engineering Practice for a Fully Mechanized Caving Coalface to Rapidly Pass Through a Large Fault by Wei Zhang, Feili Yang, Jingyu Chang, Shengxun Zhao, Bin Xu, Jinyong Xiang

    Published 2025-01-01
    “…One of the technical problems that must be solved in coal mine production is when the coalface rapidly crosses the fault. …”
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    Article
  3. 463

    Failure Analysis of Deep Composite Roof Roadway and Support Optimization of Anchor Cable Parameters by Chen Li, Wenlong Zhang, Tianhong Huo, Rui Yu, Xidong Zhao, Ming Luo

    Published 2021-01-01
    “…Roof subsidence occurred during roadway excavation in the Menkeqing Coal Mine. For the sake of safety, it was decided to stop tunneling project and strengthen roadway support, which resulted in a delay of the construction period and economic damage. …”
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    Article
  4. 464

    A Roadheader-Assisted Coal Cutter Based on Tensile Failure Mechanism of Coal by Bo Liu, Zhiliu Wang, Wei Xu, Zhiwei Yu, Zhendong Yan, Biao Yao

    Published 2019-01-01
    “…To understand the stratum behaviors and improve mining efficiency, the stability of a working face owned by Jincheng Coal Mining Group in Shanxi is analyzed using UDEC numerical simulation. …”
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    Article
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  9. 469

    Microseismic Signal Classification Based on Artificial Neural Networks by Chong-wei Xin, Fu-xing Jiang, Guo-dong Jin

    Published 2021-01-01
    “…Thus, based on 37310 waveform data of Junde Coal Mine, eight features of statistics, spectrum, and waveform were extracted to generate a complete data set. …”
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    Investigation of Strong Strata Behaviors in the Close-Distance Multiseam Coal Pillar Mining by Hongwei Mu, Yongsheng Bao, Dazhao Song, Dongfang Su

    Published 2021-01-01
    “…In the case of Xinzhouyao coal mine, the transmitted stress and lateral support pressure of the overlying coal pillars accounted for 78.3% and 16% of the vertical concentrated stress, respectively, and the areas closer to the overlying coal pillars were more susceptible to dynamic load disturbances. …”
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    Experimental Study on Impermeability Law of Aquiclude Reconstructed by Mudstone of External Dump in Arid Zone by Li Ma, Chendong Liu, Yinli Bi, Suping Peng, Kaisheng Jiang, Hui Zhang, Qiang Luo, Fei Xue, Tianxin Xu, Tianxiang Li, Jing Wu, Jiahao Tian, Dongxu Zhang

    Published 2021-01-01
    “…By taking the Hongshaquan Open-Pit Coal Mine as the study object, the red mudstone of mining level +650 was selected as the topsoil aquiclude material through the geological survey. …”
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    Article
  20. 480

    Using roof borehole electrical resistivity tomography to monitor roof water infiltration in a mine work face by Liang Du, Wenjin Zhu, Lei Wang, Hao Li, Xiaoyu Jiao, Teng Qin

    Published 2025-01-01
    “…Abstract Roof water inrush in coal mining is a significant type of water-related disaster that usually results from the interconnection of water-bearing geological formations formed by cracks during and after work face mining. …”
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    Article