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Volume 19 Issue 4
Aug 2008
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Article Contents
Yun-xia ZHOU, Yong-zhang ZHOU, Shu-yun XIE, Dai-yong CAO, Xiang-rong QIU. A Grey Fuzzy Comprehensive Model for Evaluation of Geological Structure Complexity. Journal of Earth Science, 2008, 19(4): 436-440.
Citation: Yun-xia ZHOU, Yong-zhang ZHOU, Shu-yun XIE, Dai-yong CAO, Xiang-rong QIU. A Grey Fuzzy Comprehensive Model for Evaluation of Geological Structure Complexity. Journal of Earth Science, 2008, 19(4): 436-440.

A Grey Fuzzy Comprehensive Model for Evaluation of Geological Structure Complexity

Funds:

the National Basic Research Program of China 2006CB4035008

the National Basic Research Program of China 2002CB412600

the State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences 

More Information
  • Several structure sets (faults and folds) are characterized by their self-similarity properties. Herein, we discuss the degrees of complexity of fractures by introducing the box-counting fractal dimension of faults as a key criterion to be used in comprehensive fuzzy analysis model for evaluation of the complexity of structures. Totally, eight criteria including density, intensity, length of faults, types and box-counting fractal dimension of faults, the intersection angle between faults and coal beds, gradient coefficients, dip angles of the coal beds, and variation coefficients of dip angles of the coal seams, were used for the evaluation purpose. The grey fuzzy comprehensive assessment model was used to rank the relative importance of these criteria. Scores indicating the complexity of structure were calculated on the base of criteria values and their weights for each sub-area of the study area in the Pansan (潘三) coal mine district in the southern Anhui (安徽) Province, China. The result on the calculated complexity of structure is useful for mining planning in the study area.

     

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