试论华北型煤田立体充水地质结构理论

根据对华北型煤田剖面、平面和水力内边界的水文地质特征的系统综合分析，本文首次提出了煤矿井立体充水地质结构的新理论。同时，依据内边界在空间展布的几何形态特征，将其划分为四种基本类型，即点状岩溶陷落柱型内边界，线状断裂（带）、裂隙型内边界，窄条状隐伏露头型内边界和面状裂隙网络（局部面状隔水层变薄区）型内边界。根据四种基本类型的不同组合形式，介绍了煤矿井不同的复合内边界类型和它们的矿井水文地质特征。文章最后指出，内边界是煤矿井立体充水地质结构理论的核心，搞清楚内边界是彻底解决华北型煤田日益严重的水害问题的关键。

This paperputsfirstly forw ardsa new theory aboutstereo water-filled structuresform inesin the coalbasinof North China, on the basis of com prehensive, analyses of hydrogeologicalfeatures as view ed from cross-sections,plans and innerhydraulic boundaries ofthe basin. Meanwhile, fourtypes ofthe basic innerhydraulic boundaries havebeen divided in thisstudy according to extending geom etricshapesofthe innerboundariesin space. They arerespective-ly considered aspointkarstcollapsecolum n, linearfault(fracture)zone, narrow buried outcrop zone, and planarfissurenetwork in aquitard. Thepaperaiso introducesvarioustypesofcom pound innerboundaries, which consistoffourbasicones with theirm ine-hydrogeologicalcharacteristics. Finally thispaperconcludesthattheinnerhydraulicboundariesarethoughtto bea kernelofthe stereo water-filled structure, and thatprofound research on the innerboundaries is a keyfor solving m ore and m ore seriousw aterhazardsin them inesofthe coalbasin.