基于沉积控水分析的巴拉素井田富水性分区研究

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英文篇名：Study on water yield property zoning in Balasu well field based on sedimentary water control analysis 作者：方刚 ; 蔡玥 英文作者：FANG Gang;CAI Yue;College of Geology and Environment,Xi' an University of Science and Technology;CCTEG Xi'an Research Institute;Key Laboratory of Coal Mine Hazard Prevention and Control Technology in Shaanxi Province; 关键词：侏罗纪煤田 ; 沉积控水 ; 水文地质特征 ; 层次分析法 ; 富水性分区 英文关键词：Jurassic coalfield;;sedimentary water control;;hydrogeological characteristics;;analytic hierarchy process;;water yield property zoning 中文刊名：干旱区资源与环境 英文刊名：Journal of Arid Land Resources and Environment 机构：西安科技大学地质与环境学院;中煤科工集团西安研究院有限公司;陕西省煤矿水害防治技术重点实验室; 出版日期：2018-12-26 出版单位：干旱区资源与环境 年：2019 期：03 基金：国家重点研发计划项目(2017YFC0804102、2017YFC0804103);; 国家自然科学基金项目(41807221);; 陕西省自然科学基础研究计划项目(2018JQ5150)资助 语种：中文; 页：107-113 页数：7 CN：15-1112/N ISSN：1003-7578 分类号：TD745.2

摘要

鄂尔多斯盆地内侏罗纪煤田顶板水害频发,从沉积控水理论研究对煤层顶板含水层进行富水性分区,能够科学有效地指导矿井防治水工作的合理开展。为了准确掌握覆岩含水层的富水情况,以巴拉素井田为例,通过沉积规律研究对井田先期开采地段内开采煤层顶板的主要含水层特征及其富水性进行分析。结果表明:矿井未来开采的2#煤顶板的主要充水含水层位直罗组、延安组含水层,其含水层的富水性不均一。通过选取分区指标、采用层次分析法计算权重、构建指数模型,最终得出研究区富水性分区结果。本次沉积规律研究成果,为矿井未来水文地质及防治水工作提供了有力的理论依据,同时对周边条件类似矿井具有一定的借鉴价值。
        The roof water hazards of Jurassic coal field in Ordos Basin was frequent,so study on the sedimentary water control theory of water yield property zoning of coal seam roof aquifers could scientifically and effectively guide the reasonable arrangement of mine water prevention and control works. In order to accurately know the watery of overlying strata,taking Balasu well field as an example,the characteristics and watery of the main aquifers were analyzed by studying the sedimentary laws of the coal seam roof in the early mining area of the well field. The results showed that,the Jurassic System Zhiluo Group,and Yan'an Group were the mainly water-filled aquifers of the No. 2 coal seam roof that will be mined in the future,and the watery of each aquifer was uneven. By selecting the zoning index,the analytic hierarchy process was adopted to calculate the weight and build the index model. The result of water yield zoning in the study area was finally obtained. The results of the sedimentation laws study provided a strong theoretical basis for the future hydrogeology and prevention and control of water hazards in the coal mine,and at the same time,they also had some reference value for the surrounding coal mines which with similar conditions.

引文

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