近水平煤层覆岩导水裂隙带高度预计与实测.pdfVIP

Vol郾44 No郾2 矿业安全与环保 第44卷摇 第2期 Apr郾2017 摇 摇 摇 摇 摇 摇 摇 摇 摇 MINING SAFETY ENVIRONMENTAL PROTECTION摇 摇 摇 摇 摇 摇 摇 2017年4月 赵子浩,刘进晓,王来河,等.近水平煤层覆岩导水裂隙带高度预计与实测[J].矿业安全与环保,2017,44(2):66-69. 文章编号:1008-4495(2017)02-0066-04 近水平煤层覆岩导水裂隙带高度预计与实测 赵子浩,刘进晓,王来河,宗彩建 (山东科技大学矿业与安全工程学院,山东青岛266590) 摘要:为了准确预测青龙煤矿11607 工作面开采后覆岩导水裂隙带的发育高度,以该矿实际地质 开采条件为依据,采用灰色神经网络、经验公式计算方法,对其导水裂隙带高度分别进行了预测,并与 现场实测结果进行比较,结果表明,基于灰色神经网络的预测结果比经验公式计算的结果更接近实际, 并综合分析比较得出青龙煤矿11607 工作面煤层的覆岩导水裂隙带高度为44.4 ~46.9 m。 关键词:导水裂隙带高度;灰色神经网络;经验公式;预测 中图分类号:TD741摇 摇 摇 文献标志码:B摇 摇 摇 网络出版时间:2017-04-11 10:12 网络出版地址:http:/ / / kcms/ detail/ 50.1062.TD1012.028.html Prediction and Actual Measurement of Water Flowing Fractured Zone Height in Overburden Strata of Flat Seam ZHAOZihao,LIUJinxiao,WNAGLaihe,ZONG Caijian (College of Mining and Safety Engineering,Shandong University of Science and Technology,Qingdao266590,China) Abstract:In order to exactly predict the development height of the water flowing fractured zone in the overburden strata after the mining of 11607 working face in Qinglong Coal Mine,the height of the water flowing fractured zone was respectively predicted according to the practical geological and mining conditions of the mine and by using the grey neural network and the empirical formula,and the predicted resultswascomparedwiththe sitemeasuredresults. Theresultsshowedthatthepredicted results basedonthegreyneuralnetworkweremoreclosertotheactualonesthanthatbasedonthecalculationwiththeempirical formula,and itwasconcludedfromthe comprehensive analysisand comparisonthat the development height of thewaterflowing fractured zone in the overburden strata of 11607 working face in Qinglong Coal Minewas about44.4 m to46.9 m.