Showing 241 - 260 results of 750 for search '"coal mines"', query time: 0.10s Refine Results
  1. 241

    Research on Structural Characteristics of Dynamic Nuclear Zone in Dynamic System of Coal and Rock by Hai Rong, Bing Liang, Hongwei Zhang, Feng Zhu

    Published 2019-01-01
    “…In order to calculate the concrete scale range of coal and rock mass in rockburst of different degrees of danger and to prevent and control rockburst in coal mines, the concept of dynamic system of coal and rock is put forward in this paper. …”
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    Article
  2. 242

    Research and Application of a Multi-Agent-Based Intelligent Mine Gas State Decision-Making System by Yi Sun, Xinke Liu

    Published 2025-01-01
    “…Experimental results indicate that the system effectively improves the efficiency of gas alarm processing and the quality of judgment reports in coal mines, providing solid technical support for accident prevention and management in mining operations.…”
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    Article
  3. 243

    Study on Stability Control of Retained Gob-Side Entry by Blasting Fracturing Roof Technology in Thick Immediate Roof by Jingang Guo, Yaohui Li, Fulian He, GuangSheng Fu, Sheng Gao

    Published 2021-01-01
    “…A retained gob-side entry technique is popular in longwall mining coal mines, because the excavation of an entry is reduced for the next panel. …”
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    Article
  4. 244

    Experimental Study on Influence of Borehole Arrangement on Energy Conversion and Acoustic Characteristics of Coal-Like Material Sample by Chuanbo Hao, Zhiyuan Hou, Fukun Xiao, Gang Liu

    Published 2020-01-01
    “…The results of this study have certain guiding significance for the layout of pressure relief boreholes in the production process of coal mines.…”
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    Article
  5. 245

    Deformation Caused by Dynamic Load and Support Requirements in a Deep Gob-Side Entry Rock Mass by Yandong Zhang, Yongjie Yang, Changhua Zhuge

    Published 2019-01-01
    “…Gob-side entries in deep coal mines can be subjected to dynamic loading when driving along the goaf. …”
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    Article
  6. 246

    Mechanism and Procedure of Repeated Borehole Drilling Using Wall Protection and a Soft Structure to Prevent Rockburst: A Case Study by Yongliang He, Mingshi Gao, Xu Dong, Xin Yu

    Published 2021-01-01
    “…With the increasing mining depth of coal mines, the occurrence of rockburst, especially in mine roadways, is becoming critical as a severe dynamic disaster. …”
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    Article
  7. 247

    Belt conveyor idler fault detection algorithm based on improved YOLOv5 by Cen Pan, Qing Tao, Hao Pei, Biao Wang, Wei Liu

    Published 2025-01-01
    “…Abstract The rapid expansion of the coal mining industry has introduced significant safety risks, particularly within the harsh environments of open-pit coal mines. …”
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    Article
  8. 248

    A Control Approach of the Roof in No-Pillar Roadway Formed by Roof Cutting and Pressure Releasing by Qingnan Lou, Tingchun Li, Qingwen Zhu, Shanyuan Wu, Ming Yun, Renle Zhao

    Published 2021-01-01
    “…Based on the Qiuji coal mine’s background, the numerical and field test study is conducted to verify the theoretical analysis, and the allowable variation range of roof cutting distance is obtained. …”
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    Article
  9. 249

    Failure Mechanism of Gob-Side Roadway under Overlying Coal Pillar Multiseam Mining by Hongwei Mu, Anhu Wang, Dazhao Song, Dongfang Su, Donghui Li

    Published 2021-01-01
    “…Roadway deformation and rock burst are the two key challenges faced by the safe operation of coal mines. Aiming at the issue of large deformation of the gob-side roadway under coal pillars in multiseam mining, this study has considered the case of the 8308 panel of Xinzhouyao coal mine in China. …”
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    Article
  10. 250

    Study on the Response of Staggered Floor Isolated Structures in Mountainous Areas under Three-Dimensional Earthquakes by Shishan Cheng, Jie Yang, Dewen Liu, Lihao Chen, Feng Wan, Fan Yang, Yang Liu

    Published 2022-01-01
    “…As coal mines are susceptible to safety accidents due to earthquakes, the requirements for structures in coal mining areas such as fire control centers and hospitals are higher, so base isolated structures, including staggered isolated structures, adapted to mountainous terrain are used in mining areas. …”
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    Article
  11. 251
  12. 252

    Evaluation and prediction of coal seam mining mode: Coefficient of Variation-TOPSIS and CNN-NGO methods by Haixiong Li, Fei Wang

    Published 2025-01-01
    “…This study not only provides scientific methods and tools for the evaluation and prediction of coal seam mining mode but also contributes to the intelligent development of the coal mining industry.…”
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    Article
  13. 253

    Shield-Roof Interaction in Longwall Panels: Insights from Field Data and Their Application to Ground Control by Jingyi Cheng, Zhijun Wan, Yinlin Ji

    Published 2018-01-01
    “…Understanding the shield-roof interaction in longwall panels enables us to apply the SSRI system for ground control in longwall coal mines. Early warning of severe roof weighting can be achieved by establishing a warning model based on the decision tree algorithm. …”
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    Article
  14. 254

    Model of Overlying Strata Structure in Large Mining Height Excavating Condition and Calculation of Support Working Resistance by Fengfeng Wu, Xin Yue, Jingxuan Yang, Beiju Du, Jian Zhang, Bo Lv

    Published 2022-01-01
    “…Combining with the mining conditions of Jinhuagong Coal Mine’s large mining height face in Datong mining area, the reasonable support resistance of the working face support is analyzed. …”
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    Article
  15. 255
  16. 256

    Investigation of Pressure Relief Borehole Effects Using In Situ Testing Based on Distributed Optical Fibre Sensing Technology by Yunpeng Li, Dequan Sun, Shankun Zhao, Kaihua Liang, Kai Cui, Huaihong Wang

    Published 2021-01-01
    “…Borehole pressure relief method is one of the most effective ways of rock burst prevention in coal mines. The measured results of borehole pressure relief at no. 8939 longwall face in Xinzhouyao coal mine, China, are presented here. …”
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    Article
  17. 257

    Improvement on the Key Element of Flexible U-Shaped Steel Support and Its Field Applications by Zhili Su, Shengguo Jing, Wenbing Xie, Qingteng Tang, Xingkai Wang

    Published 2022-01-01
    “…In China, there are a significant numbers of soft rocks roadways in underground coal mines. The roofs of these roadways are generally highly fractured, and traditional bolt installation does not provide sufficient supporting capacity. …”
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    Article
  18. 258

    Failure Mechanism and Control of Lower Retracement Channel in Close-Distance Double-Thick Coal Seams by Fulian He, Kai Lv, Xiaobin Li, Binbin Qin, Liang Li

    Published 2021-01-01
    “…This study provides a reference for coal mines with similar production geological conditions.…”
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    Article
  19. 259

    Investigation of Multiple Hole Grouting for Reducing Water Inrush Risk in Underground Engineering by Changde Yang, Ling Li, Ying Li, Yakuan Gao

    Published 2021-01-01
    “…Reinforcement with grout as an environmentally friendly technology has played a key role in underground coal mining. The risk of the water inrush into coal mines can all be reduced by grouting. …”
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    Article
  20. 260