Showing 381 - 400 results of 954 for search '"Coal mining"', query time: 0.05s Refine Results
  1. 381

    Comprehensive Environmental Monitoring System for Industrial and Mining Enterprises Using Multimodal Deep Learning and CLIP Model by Shuqin Wang, Na Cheng, Yan Hu

    Published 2025-01-01
    “…The model was trained and evaluated using real-time data from a coal mining enterprise’s environmental monitoring system spanning March to September 2023. …”
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    Article
  2. 382

    Mechanical Properties and Failure Behavior of Composite Samples by Hongwei Zhang, Zhijun Wan, Yuan Zhang, Dong Wu

    Published 2018-01-01
    “…In underground coal mining systems, the occurrences of coal burst hazards and pillar failures relate not only to the condition of stress distribution but also the geometry of roof-coal-floor structures. …”
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    Article
  3. 383

    Experimental Study on Similarity Simulation of Mechanical Properties of Coal Rock Mass in Folded Structural Zones by Dayang Xu, Qianting Hu, Yunpei Liang, Han Liu, Zili Yang

    Published 2024-01-01
    “…These findings provide essential insights for refining coal mining methodologies in fold structures, particularly for addressing the safety challenges posed by coal and gas outbursts.…”
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    Article
  4. 384

    Numerical Analysis of the Effect of Heterogeneity on Underground Roadway Stability under Dynamic Loads by Tao Guo, Hao Feng, Zequan Sun, Yang Zhao, Xingyu Wu, Xinggang Xu, Lishuai Jiang

    Published 2021-01-01
    “…With the increasing depth of coal mining and expanding mining scale, the rocks surrounding deep roadways are in a complex mechanical condition of frequent dynamic disturbance. …”
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    Article
  5. 385

    The mechanistical principles and engineering application of roof- cutting for roadway protection in advance of the working face by Zhaotai Li, Yuejin Zhou, Xiaoding Xu, Yuhang Xiao, Yunong Xu

    Published 2025-01-01
    “…Abstract In coal mining operations, it is often challenging to control the deformation of the roadway in front of the working face. …”
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    Article
  6. 386

    Contamination Features and Source Apportionment of Heavy Metals in the River Sediments around a Lead-Zinc Mine: A Case Study in Danzhai, Guizhou, China by Rongguo Sun, Yue Gao, Jing Xu, Yang Yang, Yutao Zhang

    Published 2021-01-01
    “…It was found that lead-zinc mining and smelting activities, coal mining activities, and agricultural activities (livestock and poultry breeding) are the primary sources of selected HMs, based on the results of correlation analysis together with principal component analysis (PCA) and positive matrix factorization (PMF) model. …”
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    Article
  7. 387

    Stability Control and Quick Retaining Technology of Gob-Side Entry: A Case Study by Hengjie Luan, Yujing Jiang, Lujie Zhou, Huili Lin

    Published 2018-01-01
    “…In Chinese coal mines, gob-side entry retaining, an efficient technique for coal mining, has been widely used. …”
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    Article
  8. 388
  9. 389

    Research on the Parameter Prediction Model for Fully Mechanized Mining Equipment Selection Based on RF-WOA-XGBoost by Yue Wu, Wenlong Sang, Xiangang Cao, Longlong He

    Published 2025-01-01
    “…Fully mechanized mining equipment is core to the coal mining process. The selection process for this type of equipment is complex and heavily relies on experts’ experience for determining equipment parameters. …”
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    Article
  10. 390

    The Migration of Coalbed Methane under Mining Pressure and Air Injection: A Case Study in China by Liqiang Zhang, Yu Wu, Hai Pu, Xiaoping He, Pan Li

    Published 2018-01-01
    “…Gas outburst has always affected the safety of coal mining. To eliminate this risk by high-efficiency extraction of coalbed methane (CBM) in 4102 working face of number 3 coal seam in Hebi Number 3 coal mine, a model of CBM extraction in working face was established which was considering the mining impact of adjacent 4101 working face. …”
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    Article
  11. 391

    The role of mining-induced seismicity amplitude and frequency in gob-side roadway rib spalling by Zong-long Mu, Jiaxin Zhuang, Xiufeng Zhang, Jinglong Cao, Zujun Lu, Xingen Ma, Fuhong Li

    Published 2025-01-01
    “…During underground coal mining, Mining-induced seismicity is a crucial factor leading to roadway deformation. …”
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    Article
  12. 392
  13. 393

    Roof-Breaking Characteristics and Ground Pressure Behavior in Deep Jurassic Coal Seams: A Thick-Plate Model and Field Measurements by Wei Zhang, Yandong Zhang, Weisheng Zhang, Liang Chen, Fanjia Li, Kaidi Xie

    Published 2022-01-01
    “…A thick-plate mechanical model (TPMM) of the main roof was developed and applied to the case study of 21102 first-mined coalface (FMC) of the Hulusu Coal Mine (HCM) in the Hujirt Mining Area (HMA), China. …”
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    Article
  14. 394

    Design of Support Parameters of Large-Section Open-Off Cut and Its Dynamic Mining Response Characteristics by Jian Sun, Yong Yang, Yongjie Zhao, Shengquan Chen, Dongsheng Hu

    Published 2024-01-01
    “…The open-off cut is an important place in coal mining. It is mainly used to install the relevant equipment of the working face and start mining from here. …”
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    Article
  15. 395

    Floor Failure Characteristics in Deep Island Longwall Panel: Theoretical Analysis and Field Verification by Pengpeng Wang, Yixin Zhao, Qingshan Ren, Yaodong Jiang, Cun Zhang, Yirui Gao

    Published 2022-01-01
    “…Floor failure in deep coal mining above confined aquifers with high-water pressure may induce floor water inrush disasters. …”
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    Article
  16. 396

    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
    “…In this study, an experimental approach was adopted to investigate the stress field and displacement field in rocks associated with closely stacked coal mining activity (complex geological conditions with faults and confined water). …”
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    Article
  17. 397

    Piezoelectric characteristics of coal rock leakage under uniaxial compression by Zeyi Liu, Ke Gao, Yujiao Liu, Chengyao Zhu, Yao Zhang

    Published 2025-02-01
    “…Abstract In coal mining, coal rock fracturing damage and leakage pose significant challenges. …”
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    Article
  18. 398

    Research on the Technology of Plugging Gushing Water in the Vertical Shaft under Complicated Conditions by Chuanyang Jia, Hailong Wang, Haiquan Liu, Guibin Zhang, Kaihua Sheng

    Published 2020-01-01
    “…Aiming at technical problems under complex hydrogeological conditions in coal mines, such as vertical shaft lining rupture and serious gushing water, single-liquid and double-liquid cement grouting materials are invalid for multiple plugging of gushing water. …”
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    Article
  19. 399

    Dynamic Analysis of the Scraper Conveyor under Abnormal Operating Conditions Based on the Vibration and Speed Characteristics by Shoubo Jiang, Weijian Ren, Qinghua Mao, Qingliang Zeng, Pengfei Yu, Kuidong Gao, Liang Wang

    Published 2021-01-01
    “…The scraper conveyor is the key coal transportation equipment on the coal mining face. The conveyor often encounters the influence of abnormal working conditions, such as stuck chains, broken chains, and impact loads, which have a great effect on the smooth operation of the scraper chain and seriously affect the safety of coal production. …”
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    Article
  20. 400

    Research on high‐pressure abrasive water jet slotting and pressure relief technology for hard rock roof by Huang Zhenfei, Wu Wenbin

    Published 2024-11-01
    “…Abstract To solve the problem of severe rock pressure near coal mining face tunnels, a high‐pressure abrasive water jet slotting and roof breaking pressure relief technology is proposed. …”
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    Article