基于GIS的煤层顶板突(涌)水危险性分析
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摘要
顾桥矿13-1煤层主要受二叠系煤系砂岩裂隙水威胁,由于矿区含水层富水性不均一,煤层开采时上覆充水含水层极易被导通。针对13-1煤层的突水问题,运用"三图法"分析了煤层顶板发生突水的相对危险性。根据矿区现有资料,选取渗透系数、单位涌水量、含水层厚度、脆性岩厚度、塑性岩厚度以及脆塑性岩厚度比6个指标作为评价含水层富水性的主控因素。运用层次分析法及GIS的空间分析功能获得三图,将结果与开采部分的突水数据相比较,符合实际情况。
The coal seam of the Guqiao mine is mainly threatened by the fissure water of the Permian coal series. Due to the unevenness of water in the aquifer, the overburden water aquifer in the coal seam is easy to guide. According to the water breakthrough of 13-1coal seam, the relative risk of water inrush in the roof of coal seam is analyzed by using the "three diagram method". Selected according to the existing data mining area, the permeability coefficient, unit water inflow, aquifer thickness, brittle rock and plastic rock thickness and brittle plastic thickness than six indicators as the main control factors of aquifer water. By using analytic hierarchy process and spatial analysis function of GIS, the results are compared with the breakthrough data of the mining part.
The coal seam of the Guqiao mine is mainly threatened by the fissure water of the Permian coal series. Due to the unevenness of water in the aquifer, the overburden water aquifer in the coal seam is easy to guide. According to the water breakthrough of 13-1coal seam, the relative risk of water inrush in the roof of coal seam is analyzed by using the "three diagram method". Selected according to the existing data mining area, the permeability coefficient, unit water inflow, aquifer thickness, brittle rock and plastic rock thickness and brittle plastic thickness than six indicators as the main control factors of aquifer water. By using analytic hierarchy process and spatial analysis function of GIS, the results are compared with the breakthrough data of the mining part.
引文
[1]赵庆彪,蒋勤明,高春芳.邯邢矿区深部煤层底板突水机理研究[J].煤炭科学技术,2016,44(3):117-121,176.
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[10]于雯琪,钱家忠,马雷,等.基于GIS和AHP的谢桥煤矿13-1煤顶板突水危险性评价[J].煤田地质与勘探,2016,44(1):69-73.
[11]武强,刘守强,贾国凯.脆弱性指数法在煤层底板突水评价中的应用[J].中国煤炭,2010,36(6):15-19,22.
[2]穆金霞.常村煤矿煤层顶板涌(突)水危险性分区预测研究[J].煤炭科技,2015(4):1-4,8.
[3]武强,徐华,赵颖旺,等.基于“三图法”煤层顶板突水动态可视化预测[J].煤炭学报,2016,41(12):2 968-2 974.
[4]李坤,曾一凡,尚彦军,等.基于GIS的“三图-双预测法”的应用[J].煤田地质与勘探,2015,43(2):58-62.
[5]侯忠杰.组合关键层理论的应用研究及其参数确定[J].煤炭学报,2001,26(6):611-615.
[6]武强,黄晓玲,董东林,等.评价煤层顶板涌(突)水条件的“三图-双预测法”[J].煤炭学报,2000,25(1):60-65.
[7]任晓波,吴瑞芳.基于煤层顶板充水含水层水压的“修正三图-双预测法”研究[J].煤炭工程,2016,48(S2):131-133.
[8]王国睦,胡文朋,廖家凯,等.水体下采面“上三带”高度计算分析[J].中州煤炭,2016(10):150-153.
[9]武强,许珂,张维.再论煤层顶板涌(突)水危险性预测评价的“三图-双预测法”[J].煤炭学报,2016,41(6):1 341-1 347.
[10]于雯琪,钱家忠,马雷,等.基于GIS和AHP的谢桥煤矿13-1煤顶板突水危险性评价[J].煤田地质与勘探,2016,44(1):69-73.
[11]武强,刘守强,贾国凯.脆弱性指数法在煤层底板突水评价中的应用[J].中国煤炭,2010,36(6):15-19,22.