华蓥山矿区龙滩煤矿开采系统涌水量分析比较 .pdfVIP

学兔兔 第24卷1期 中 国 煤 炭 地 质 Vo1．24 No．01 2012年 1月 C0AL GE0L0GY OF CHINA Jan． 2012 doi：10．3969／j．issn．1674-1803．2012．O1．07 文章编号：1674—1803(2012)01—0026—03 华蓥山矿区龙滩煤矿开采系统涌水量分析比较 向虎，叶秀娟，袁森林，张玉发，张秀军 (四川省煤田地质工程勘察设计研究院，四川I成都 610072) 摘 要：龙滩煤矿位于华蓥山背斜中段，水文地质条件较为复杂，在井巷开拓过程中发生过多起突水事故，严重影响 了煤矿生产。在分析矿区水文地质条件及矿井充水因素的基础上，认为长兴组含水层是矿井的间接充水含水层，龙 谭组含水层是煤层顶板直接充水含水层，茅口组含水层是煤层的底板直接充水含水层，运用大井法、水平廊道法和 比拟法．对矿井开采系统涌水量进行了预算，并对结果进行分析对比，最后建议采用比拟法的计算结果作为矿井涌 水量的评价结果．为矿井建设提供了依据。 关键词：水文地质条件；大井法，水平廊道法，比拟法，涌水量预算；龙滩煤矿 中图分类号：TD742 文献标识码：A Mining System Water Inflow Analytic Contrast in Longtan Coalmine，Huayingshan Mining Area Xiang Hu，Ye Xiujuan，Yuan Senlin，Zhang Yufa and Zhang Xiujun (Sichuan Provincial Coal Geological Engineering Exploration，Design and Research Institute，Chengdu，Sichuan 610072) Abstract：The Longtan coalmine is situated in the middle sector of the Huayingshan anticline．Hydrogeological condition is rather complex there，multiple water bursting accidents had been happened during mine workings developing process，and seriously impacted coalmine production．Based on mine area hydrogeologi cal condition and water filling factor analysis，considered that the Changxing Formation is the indirect water filling aquifer；while the Longtan Formation is the coal roof direct water fifling aquifer；the Maokou Formation is the coal floor direct water fifling aquifer．Using virtual large-diameter well，horizontal gallery and analogue methods estimated mining system water inflow，and analytically contrasted the results．Finally the result from analogue method is s