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Quantitative Analysis and Evaluation of Coal Mine Geological Structures Based on Fractal Theory

Author

Listed:
  • Gaizhuo Zhang

    (College of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China
    National Engineering Research Center of Coal Mine Water Hazard Controlling, Beijing 100083, China)

  • Junzhong Guo

    (Key Laboratory of Mine Disaster Prevention in Hebei Province, North China Institute of Science and Technology, Langfang 065201, China
    College of Safety Engineering, North China Institute of Science and Technology, Langfang 065201, China)

  • Bin Xu

    (Key Laboratory of Mine Disaster Prevention in Hebei Province, North China Institute of Science and Technology, Langfang 065201, China
    College of Safety Engineering, North China Institute of Science and Technology, Langfang 065201, China)

  • Lulu Xu

    (College of Construction Engineering, Jilin University, Changchun 130026, China)

  • Zhenxue Dai

    (College of Construction Engineering, Jilin University, Changchun 130026, China
    Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China)

  • Shangxian Yin

    (Key Laboratory of Mine Disaster Prevention in Hebei Province, North China Institute of Science and Technology, Langfang 065201, China
    College of Safety Engineering, North China Institute of Science and Technology, Langfang 065201, China)

  • Mohamad Reza Soltanian

    (Departments of Geology and Environmental Engineering, University of Cincinnati, Cincinnati, OH 45220, USA)

Abstract

With the increasing depth of coal mining, the quantitative evaluation of the degree of geological structure development is becoming increasingly important for the control of mine water hazards in coal mining areas. Understanding the complexity of geological structure development can improve the safety and efficiency of coal production. At present, various evaluation indicators of the geological structure development cannot fully reflect the complexity of faults and folds, and the evaluation process is usually affected by subjective human factors. In this paper, the fractal dimension from fractal theory is used as the evaluation indicator to quantitatively analyze and evaluate the complexity of fault and fold structure in the mining area. To verify the evaluation results, the mathematical geology method is applied in an analysis of the trend surface of fault and fold networks. The results indicate that the fractal dimension can be applied for the quantitative analysis and evaluation of the complexity of fault and fold networks. In addition, the outcome of this work provides new insights into how to characterize the fault and fold structures of coal mining areas in northern China, and has some important implications to ensure the coal production safety.

Suggested Citation

  • Gaizhuo Zhang & Junzhong Guo & Bin Xu & Lulu Xu & Zhenxue Dai & Shangxian Yin & Mohamad Reza Soltanian, 2021. "Quantitative Analysis and Evaluation of Coal Mine Geological Structures Based on Fractal Theory," Energies, MDPI, vol. 14(7), pages 1-14, March.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:7:p:1925-:d:527269
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    References listed on IDEAS

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    1. Hao Li & Haibo Bai & Jianjun Wu & Zhanguo Ma & Kai Ma & Guangming Wu & Yabo Du & Shixin He, 2017. "A Cascade Disaster Caused by Geological and Coupled Hydro-Mechanical Factors—Water Inrush Mechanism from Karst Collapse Column under Confining Pressure," Energies, MDPI, vol. 10(12), pages 1-19, November.
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    Cited by:

    1. Zhao, Pengxiang & Zhuo, Risheng & Li, Shugang & Lin, Haifei & Shu, Chi-Min & Shuang, Haiqing & Wei, Zongyong, 2023. "Greenhouse gas protection and control based upon the evolution of overburden fractures under coal mining: A review of methods, influencing factors, and techniques," Energy, Elsevier, vol. 284(C).

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