Abstract
No. 10 coal seam in Wangjialing Coal Mine is threatened with floor water bursting from aquifers underlying the coal seam. A geographic information system (GIS)-based analytic hierarchy process (AHP) vulnerability index method was used to assess the floor water bursting. Based on detailed analysis of the geological and hydrogeological conditions of the mine, eight main factors were determined that control the No. 10 coal seam floor water bursting from the karstified Ordovician limestone. Subsequent to acquisition and normalization of the main controlling factor data, the sub-thematic layers of each dominating factor and the overlay layer were established using GIS for the eight factors. AHP was used to determine the weight of each main controlling factor. The GIS-based AHP vulnerable evaluation model resulted in coal floor water bursting vulnerability zoning scheme for the coal mine, which is used for taking necessary control measures to avoid water bursting.
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Acknowledgements
This research was financially supported by China National Natural Science Foundation (Grant Nos. 41272276, 41572222, 41430318), China National Scientific and Technical Support Program (Grant No. 2016YFC0801800), Fundamental Research Funds for the Central Universities (2010YD02), Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20130023120018), and State Key Laboratory of Coal Resources and Safe Mining College Students science and technology innovation Project (SKLCRSM14CXJH11). The authors would like to thank the editor and the reviewers for their constructive suggestions.
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Zeng, Y., Wu, Q., Liu, S. et al. Vulnerability assessment of water bursting from Ordovician limestone into coal mines of China. Environ Earth Sci 75, 1431 (2016). https://doi.org/10.1007/s12665-016-6239-4
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DOI: https://doi.org/10.1007/s12665-016-6239-4