厚煤层放顶煤开采采高对顶煤破坏性分析  

Analysis of the Destructive Effect of Mining Height on Top Coal in Thick Coal Seam Caving Mining

作　　者：李建东 Li Jiandong(Shanxi Jincheng Anthracite Coal Mining Group Hongtong Jinsheng Rongkang Coal Industry Co.,Ltd.,Linfen Shanxi 041602,China)

机构地区：[1]山西晋煤集团洪洞晋圣荣康煤业有限公司,山西临汾041602

出　　处：《山西化工》2024年第6期198-200,共3页Shanxi Chemical Industry

摘　　要：厚煤层放顶煤开采中,开采高度作为重要的工艺参数对顶煤的破坏性具有重要的影响,从而影响煤层的采出率及质量。采用数值分析的形式对不同采高对顶煤的破坏性进行模拟,从而得到合理的采高参数,提高顶煤的破坏性,提高煤矿的开采效率及质量。In the top coal caving mining of thick coal seams,the mining height,as an important process parameter,has a significant impact on the destructive nature of the top coal,thereby affecting the extraction rate and quality of the coal seam.Numerical analysis was used to simulate the destructive effect of different mining heights on top coal,in order to obtain reasonable mining height parameters,improve the destructive effect of top coal,and improve the mining efficiency and quality of coal mines.

关 键 词：放顶煤开采 采高 垂直应力 水平位移 仿真分析 

分 类 号：TD823.49[矿业工程—煤矿开采]