岩溶发育地区煤层顶底板突水危险性分析

发布时间：2018-06-15 23:38

  本文选题：岩溶 + 充水因素　； 参考：《煤炭技术》2017年08期

【摘要】：以贵州某岩溶发育矿区为研究背景,通过对煤矿水文地质条件和矿井充水因素进行分析,并应用高密度电法对矿井水文地质进行了勘查,得出矿区水文条件属于岩溶裂隙充水矿床,顶、底板直接进水。煤层开采后导水裂隙带发育至吴家坪组第2段,并与该段含水层连通起来,对上覆含水层形成卸压作用,该含水层含水量较小补给能力差,顶板突水可能性小。
[Abstract]:Taking a karst mining area in Guizhou as the research background, the hydrogeological conditions of coal mine and the factors of mine water filling are analyzed, and the high density electric method is applied to the exploration of mine hydrogeology. It is concluded that the hydrological conditions of the mining area belong to the karst fissure water filling deposit. The fracture zone of water conduction developed to the second member of Wujiaping formation after coal seam mining, and connected with the aquifer, which formed a pressure relief effect on the overlying aquifer. The water content of the aquifer was lower than that of the overlying aquifer, and the possibility of water inrush from the roof was small.
【作者单位】： 六盘水师范学院矿业工程系;
【基金】：贵州省科技厅技术基金项目(黔科合LH字[2015]7607号) 贵州省采矿工程特色重点学科(黔学位合字ZDXK[2015]9号) 贵州省矿山压力与岩层控制工程中心项目(黔教合KY字[2012]027号)
【分类号】：TD745.2
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本文编号：2024163