榆家梁煤矿4-4煤上行开采可行性研究

Feasibility study on upward mining of 4-4 coal in YUJIALIANG coal mine

本文结合榆家梁煤矿的现状,为了充分回采资源,同时兼顾技术效果与经济效益,采用比值判别法、"三带"判别法、围岩平衡法、数理统计分析法、岩层稳定时间法、类比法等6种方法,具体分析了5-2煤开采后对4-4煤的影响。从分析结果看,5-2煤开采后,采取适当安全措施后,可对上覆的4-4煤进行开采,这一分析结论为类似开采情况分析提供了思路,也可为类似矿井开采提供参考。

In this paper, the detailed analysis of the upstream mining, combined with the status of YUJIALI- ANG coal mine, in order to fully recover the resources, taking into account the technical and economic benefits, the specific analysis of 5 - 2 coal mining on 4 - 4 coal. This paper analyzes the six methods, such as the ratio judgment method, the＂ three belt＂ discriminant method, the surrounding rock balance method, the mathematical statistical analysis method, the rock formation stabilization time method and the analogy method. From the analy- sis results. Take appropriate safety measures, the overlying 4 -4 coal mining, the analysis of the conclusions of similar mininz analysis to orovide ideas, but also for similar mine mining as a reference.