CAJ | 학술논문

借助相似材料模拟试验的研究方法，讨论了华亭矿区白草峪井田煤5特厚煤层的放顶煤问题。试验认为：分3层放顶煤的开采方法是可行的，分2层放顶煤的方法是不可行的；分3层放顶煤时回收率能够达到要求，而分2层时回收率较低。同时也得出放顶煤的最佳分层厚度为12～15m，最佳采放比为1∶3。以上结论为白草峪井田的开采设计提供了重要依据。
차조상사재료모의시험적연구방법， 토론료화정광구백초욕정전매5특후매층적방정매문제。 시험인위： 분3층방정매적개채방법시가행적， 분2층방정매적방법시불가행적； 분3층방정매시회수솔능구체도요구， 이분2층시회수솔교저。 동시야득출방정매적최가분층후도위12～15m， 최가채방비위1∶3。 이상결론위백초욕정전적개채설계제공료중요의거。
With the help of the research methods of similarity model tests, the problems about top coal caving of specially thick coal seam of coal No.5 of Baicaoyu well field in Huating mine administration is discussed. Three similar material model tests show that the top coal caving mining with three layers is reasonable, but the top coal caving mining with two layers is not reasonable. The coal-recycling ratio with three layers can meet engineering requirement, but the coal-recycling ratio with two layers is very low. The optimal layer-divided thickness is 12～15m and the optimal ratio of mining to caving is 1∶3.