摘要
煤层顶板充水强度是矿区水害防治基础指标之一,为揭示东胜煤田煤层顶板充水强度整体规律,以该煤田各矿区为研究区,选取煤层顶板各含水层受导水裂隙带破坏高度为充水强度主控影响因素,通过层次分析法(AHP)确定权重,应用GIS的空间复合叠加对充水强度进行分区评价。结果表明,充水强度整体表现规律为随着东胜煤田煤层埋深由东北向西南的增加而逐渐增大,通过层次分析法得到的充水强度分区结果与煤田各矿区矿井涌水量分布结果大致相同,该成果可为东胜煤田各矿井水害防治提供区域性的参考。
Water filling intensity of coal seam roof is one of the basic indexes for water hazard prevention and control in mining areas.In order to reveal the overall law of the water filling intensity of coal seam roof in Dongsheng coalfield,each mining area in the coalfield were selected as the research area,and the main influential factor of the water filling intensity was the thickness of the fractured zone in each aquifer of the coal seam roof.The weights were determined using Analytic Hierarchy Process(AHP),and the spatial composite superposition of GIS was applied to evaluate the water filling intensity in different zones.The results indicate that the overall performance pattern of water filling intensity gradually increases with the increase of coal seam burial depth from northeast to southwest in the coalfield.The zoning results of water filling intensity obtained through Analytic Hierarchy Process are roughly the same as the distribution results of water inflow in various mining areas of the coalfield.Our achievement can provide regional reference for the prevention and control of water disasters in Dongsheng coalfield mines.
作者
付德渊
樊江伟
乌阳嘎
黄海鱼
白志君
李哲
FU Deyuan;FAN Jiangwei;WU Yangga;HUANG Haiyu;BAI Zhijun;LI Zhe(Energy Bureau of Inner Mongolia Autonomous Region,Hohhot 010010,China;China Coal Energy Research Institute Co.,Ltd.,Xi’an 710054,China;China Coal Rock Burst&Water Hazard Control Center,Ordos 017000,China)
出处
《陕西煤炭》
2024年第9期58-63,99,共7页
Shaanxi Coal
关键词
东胜煤田
充水强度
层次分析法(AHP)
含水层
Dongsheng coalfield
water filling strength
analytic hierarchy process
aquifer
