NDLI: Evaluation of Water Inrush Vulnerability from Aquifers Overlying Coal Seams in the Menkeqing Coal Mine, China

Content Provider	Springer Nature Link
Author	Wu, Qiang Liu, Yuanzhang Zhou, Wanfang Li, Baoyu Zhao, Bin Liu, Shouqiang Sun, Wenjie Zeng, Yifan
Copyright Year	2014
Abstract	The vulnerability of the C2-1 and C3-1 coal seams to water inrush from overlying aquifers was evaluated for a portion of the Menkeqing coal mine. Geological and hydrogeological data were used to develop a conceptual model. Using the ‘three maps-two predictions’ method, an index model of water abundance (yield) of the overlying aquifers was constructed and overlain on a map that indicates potential fractured zone connections to the overlying aquifers. Superposition of the two zoning maps allowed development of a comprehensive inrush vulnerability map. Mine discharges were predicted under both natural and mining conditions using Visual Modflow, and appropriate prevention and control measures are proposed.Die Gefährdung der Kohleföze C2-1 und C3-1 durch Wassereinbrüche aus darüber liegenden Grundwasserleitern wurde für einen Teil der Kohlebergwerkes Menkequing bewertet. Geologische und hydrologische Daten wurden genutzt, um ein konzeptionelles Modell zu entwickeln. Unter Verwendung der „three maps-two predictions“-Methode wurde ein Indexmodell des Wassergehaltes der über den Flözen liegenden Grundwasserleiter erstellt. Eine Karte der Ergebnisse des Modells wurde mit einer Karte der Verteilung möglicher, durch Klüftung gegebener Verbindungen der Grundwasserleiter mit den Flözen überlagert. Dadurch ergab sich eine umfassende Karte der Gefährdung durch Wassereinbrüche. Unter Nutzung von Visual Modflow wurden Flüsse unter natürlichen und unter bergbaulichen Bedingungen berechnet. Entsprechende Maßnahmen zur Verhinderung von Wassereinbrüchen und zur Kontrolle wurden vorgeschlagen.Se evaluó la vulnerabilidad de las vetas de carbón C2-1 y C3-a la irrupción de agua para una porción de la mina de carbón Menkeqing. Los datos geológicos y hidrogeológicos fueron usados para desarrollar un modelo conceptual. Usando el método de los ‘tres mapas-dos predicciones’, se construyó un modelo de abundancia de agua de los acuíferos ubicados sobre la mina y un mapa que indica las potenciales conexiones de dichos acuíferos con las zonas de fractura. La superposición de ambos mapas permitió el desarrollo de un mapa sobre la vulnerabilidad a la irrupción de agua. Se predijeron las descargas de la mina bajo condiciones naturales y bajo las condiciones impuestas por la minería usando Visual Modflow; se proponen medidas de control y una apropiada prevención.文章评价了门克庆煤矿C2-1与C3-1煤层上覆含水层的突水脆弱性。基于地质和水文地质资料建立了概念模型,用“三图-双预测”方法,建立了上覆含水层富水性指数模型,并将其叠加至导水裂隙带发育图上。两个分区图叠加生成综合突水脆弱性评价图。应用Wisual Modflow预测自然与采矿条件下矿井涌水量,提出合理的水害防治与控制措施。
Starting Page	258
Ending Page	269
Page Count	12
File Format	PDF
ISSN	10259112
Journal	Mine Water and the Environment
Volume Number	34
Issue Number	3
e-ISSN	16161068
Language	Chinese
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-11-09
Publisher Institution	International Mine Water Association (IMWA)
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Three maps-two predictions method Geographic information system Analytic hierarchy process Visual Modflow Geology Hydrogeology Water Quality/Water Pollution Energy Economics Ecotoxicology
Content Type	Text
Resource Type	Article
Subject	Water Science and Technology Geotechnical Engineering and Engineering Geology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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