Showing 321 - 340 results of 4,780 for search '"mining"', query time: 0.06s Refine Results
  1. 321

    Research on the Characteristics of Coal Bump and Monitoring and Early Warning in Hujiahe Coal Mine by Fei Yu, Tong Zhang, Zhen Wei

    Published 2022-01-01
    “…Under the high intensity mining disturbance, coal bump is easily triggered by the sudden release of large amount of elastic energy contained in the coal body, which seriously affects coal mine safety production. …”
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    Article
  2. 322
  3. 323

    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
    “…According to the new stress distribution pattern and the strong strata behaviors as the characteristics of the coal pillars in the close-distance multiseam coal pillar mining, the common characteristics of different types of overlying coal pillars were summarized and analyzed. …”
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    Article
  4. 324

    The Stability of Gob-Side Entry Retaining in a High-Gas-Risk Mine by Junwen Zhang, Yulin Li

    Published 2019-01-01
    “…There are series of problems faced by most of the coal mines in China, ranging from low-coal recovery rate and strained replacement of working faces to gas accumulation in the upper corner of coalfaces. …”
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    Article
  5. 325

    Instability Mechanism of Extraction Structure in Whole Life Cycle in Block Caving Mine by Zhi-Yuan Xia, Zhuo-Ying Tan, Lei Zhang

    Published 2021-01-01
    “…The investigation in the mine site shows that the extraction structure often presents the law of repeated instability. …”
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    Article
  6. 326

    Failure Mechanism of Anti-Inclined Karst Slope Induced by Underground Multiseam Mining by Nanyun Wang, Zuliang Zhong, Xinrong Liu, Guofu Gao

    Published 2022-01-01
    “…The Voronoi diagram algorithm was used to discretize the rock blocks in the upper part of the mining area, and the erosion in sliding source area caused by heavy rainfall was simulated by increasing the block density and reducing the joint strength. …”
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    Article
  7. 327
  8. 328

    Application of Pedrail Powered Support on Strata Control in Short-Wall Coal Mining by Jingong Ma, Yongcheng Ding, Hongwei Zhang

    Published 2022-01-01
    “…In this study, the role of the pedrail powered (PP) support produced in China in the Wongawilli short-wall mining was explored, and the process from its import and introduction to its localization and use effect were detailed. …”
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  9. 329
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  11. 331

    Numerical Simulation of Surface Subsidence and Backfill Material Movement Induced by Underground Mining by Xibing Li, Dongyi Wang, Chongjin Li, Zhixiang Liu

    Published 2019-01-01
    “…Surface subsidence induced by underground mining is one of the challenging problems in mining engineering, which can destroy ground surface buildings and cause huge economic losses to the mine. …”
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    Article
  12. 332

    Optimization and Hydration Mechanism of Composite Cementing Material for Paste Filling in Coal Mines by Jinxiao Liu, Wenxin Li, Feng Zhang, Xinguo Zhang, Lianjun Chen, Yongle Liu

    Published 2019-01-01
    “…The low early strength of materials for paste filling in mines caused by low early strength of composite cementing material has been a severe issue. …”
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    Article
  13. 333

    Distribution and Variation of Mining-Induced Stress in the Reverse Fault-Affected Coal Body by Rui Zhou, Yujin Qin, Zhizhen Zhang

    Published 2021-01-01
    “…Finally, intrinsically safe GZY25 borehole stress sensors were used to monitor the coal body stresses in the reverse fault area under the influence of mining in Xinchun Coal Mine and ZuoQiuka Coal Mine. …”
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    Article
  14. 334

    Hydrogeology Response to the Coordinated Mining of Coal and Uranium: A Transparent Physical Experiment by Tong Zhang, Xiang He, Kai Zhang, Xiaohan Wang, Yang Liu

    Published 2021-01-01
    “…The migration of fracture and leaching solute caused by mining activity is critical to the hydrogeology. To characterize liquid and solid migration in a mining area of intergrown resources, the coordinated mining of coal and uranium was considered, and a physical experiment based on transparent soil was conducted. …”
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    Article
  15. 335
  16. 336

    Analysis of the Protection Performance of Face Guard for Large Mining Height Hydraulic Support by Lirong Wan, Shuai Zhang, Zhaosheng Meng, Yunyue Xie

    Published 2021-01-01
    “…With the increase of mining height, the problem of coal wall spalling in the working face gradually worsens. …”
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    Article
  17. 337

    A Group Mining Method for Big Data on Distributed Vehicle Trajectories in WAN by Jie Yang, Xiaoping Li, Dandan Wang, Jia Wang

    Published 2015-08-01
    “…Experimental results demonstrate that the proposed method is effective for group mining by clustering.…”
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    Article
  18. 338

    Comprehensive Evaluation and Decision for Goaf Based on Fuzzy Theory in Underground Metal Mine by Rongxing He, Huan Liu, Fengyu Ren, Guanghui Li, Jing Zhang, Yanjun Zhou

    Published 2022-01-01
    “…In underground metal mines, goaf brings huge safety risks. It is an important part of mine to evaluate goaf stability and determine the best goaf handling measures. …”
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    Article
  19. 339

    Occupational Exposure to Low Concentrations of Lead Dust and Oxidative Stress in Mine Workers by Fateme Kooshki, Masoud Neghab, Fatemeh Rahimian, Fereshteh Aliasghari, Esmaeel Soleimani

    Published 2025-01-01
    “…This study aims to assess the relationship between OS parameters and exposure to low concentrations of lead dust in mine workers.Methods: This cross-sectional study evaluated 73 lead-exposed workers and 70 age- and sex-matched non-exposed individuals. …”
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    Article
  20. 340

    Florida Reclaimed Phosphate Mine Soils: Characteristics, Potential Uses, and Management Considerations by M. Wilson, Edward A. Hanlon

    Published 2012-10-01
    “…But each year in Florida thousands of acres disturbed by strip-mining for phosphate rock must be reclaimed for other productive uses. …”
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    Article