补连塔煤矿采空区地面注浆优化设计
The Ground Grouting Optimal Design in Bulianta Coal Mine Goaf
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摘要: 对祁连塔煤矿厚煤层、大采高井田煤炭自然发火防治措施、设计的选择和优化进行了具体阐述,包括防灭火注浆钻孔的设计,注浆材料的选择,注浆方法的确定。Abstract: The paper elaborates the control measures of coal spontaneous combustion, including choosing the drilling position, choosing grouting material, and choosing grouting method, for the mine fields with thick coal seams and great mining height.