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Volume 14
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Article

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

by
Gaizhuo Zhang
1,2,
Junzhong Guo
3,4,
Bin Xu
3,4,
Lulu Xu
5,*,
Zhenxue Dai
5,6,
Shangxian Yin
3,4 and
Mohamad Reza Soltanian
7
1
College of Geoscience and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China
2
National Engineering Research Center of Coal Mine Water Hazard Controlling, Beijing 100083, China
3
Key Laboratory of Mine Disaster Prevention in Hebei Province, North China Institute of Science and Technology, Langfang 065201, China
4
College of Safety Engineering, North China Institute of Science and Technology, Langfang 065201, China
5
College of Construction Engineering, Jilin University, Changchun 130026, China
6
Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
7
Departments of Geology and Environmental Engineering, University of Cincinnati, Cincinnati, OH 45220, USA
*
Author to whom correspondence should be addressed.
Energies 2021, 14(7), 1925; https://doi.org/10.3390/en14071925
Submission received: 7 March 2021 / Revised: 26 March 2021 / Accepted: 29 March 2021 / Published: 31 March 2021
(This article belongs to the Special Issue Modeling Multiphase Flow and Reactive Transport in Porous Media)
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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.
Keywords: geological structure; fractal dimension; quantitative analysis and evaluation; mathematical geology geological structure; fractal dimension; quantitative analysis and evaluation; mathematical geology

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MDPI and ACS Style

Zhang, G.; Guo, J.; Xu, B.; Xu, L.; Dai, Z.; Yin, S.; Soltanian, M.R. Quantitative Analysis and Evaluation of Coal Mine Geological Structures Based on Fractal Theory. Energies 2021, 14, 1925. https://doi.org/10.3390/en14071925

AMA Style

Zhang G, Guo J, Xu B, Xu L, Dai Z, Yin S, Soltanian MR. Quantitative Analysis and Evaluation of Coal Mine Geological Structures Based on Fractal Theory. Energies. 2021; 14(7):1925. https://doi.org/10.3390/en14071925

Chicago/Turabian Style

Zhang, Gaizhuo, Junzhong Guo, Bin Xu, Lulu Xu, Zhenxue Dai, Shangxian Yin, and Mohamad Reza Soltanian. 2021. "Quantitative Analysis and Evaluation of Coal Mine Geological Structures Based on Fractal Theory" Energies 14, no. 7: 1925. https://doi.org/10.3390/en14071925

APA Style

Zhang, G., Guo, J., Xu, B., Xu, L., Dai, Z., Yin, S., & Soltanian, M. R. (2021). Quantitative Analysis and Evaluation of Coal Mine Geological Structures Based on Fractal Theory. Energies, 14(7), 1925. https://doi.org/10.3390/en14071925

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