节点文献
梅河三井放顶煤综采覆岩破坏观测成果分析
The Analysis of the Observed Results of the Top Coal Combination Mining Covering Rock Destruction of the Third Pit in Mei He Coal Mine
【摘要】 本文针对梅河三井1107放顶煤综采区地质采矿条件.在采区开采后获得的实际观测资料基础上.进行理论分析.得到了综放采区冒落裂缝带最大高度的计算公式.
【Abstract】 Considering the geological mining condition of the third pit NO. 1107 top coal combination mining area in Mei He, and on the basis of the theory analysis of the practical observed data after mining, the paper obtains the maximum hight calculation formula of the falling crack zone.
【关键词】 放顶煤;
综采;
冒落带;
裂缝带;
【Key words】 top coal falling; combination mining; falling zone; crack zone;
【Key words】 top coal falling; combination mining; falling zone; crack zone;
- 【文献出处】 阜新矿业学院学报(自然科学版) , 编辑部邮箱 ,1994年03期
- 【分类号】TD823.49
- 【被引频次】7
- 【下载频次】90