Showing 281 - 300 results of 750 for search '"Coal mining"', query time: 0.08s Refine Results
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  3. 283

    Experimental Study on Sand Inrush Hazard of Water-Sand Two-Phase Flow in Broken Rock Mass by Junce Xu, Hai Pu, Jiarui Chen, Ziheng Sha

    Published 2021-01-01
    “…In the western region of China, coal mining activities are prone to induce water and sand inrush disasters, which seriously threaten the safe production of the coal resources. …”
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    Article
  4. 284
  5. 285

    An experimental study on the synergic damage of chemical solutions and stress to coal by Yaoyu Shi, Xiangchun Li, Xiaowei Li, Haonan Song, Xuefei Zhuo, Jianhua Zeng, Zhenzhong Li, Qingdong Qu

    Published 2025-01-01
    “…These findings highlight the risks of chemical solution-induced damage to coal and provide theoretical support for disaster prevention and stability control in coal mining.…”
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    Article
  6. 286
  7. 287

    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
  8. 288

    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
  9. 289

    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
  10. 290

    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
  11. 291

    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
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  13. 293

    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
  14. 294

    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
  15. 295
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    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
  17. 297

    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
  18. 298

    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
  19. 299

    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
  20. 300

    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