挖金湾矿注浆锚索加固技术的实践应用

Practical Application of Grouting Anchor Cable Reinforcement Technique in Wajinwan Mine

以大同煤矿集团挖金湾矿8103综放面为研究对象,采用注浆锚索加固技术,对巷道二次支护。结果表明注浆锚索加固后的巷道两帮移近量比非注浆锚索段减少333mm,顶底板移近量减少483mm,保证了工作面正常回采需要。

Taking the 8103 fully mechanized top coal caving face of Wajinwan Coal Mine in Datong Coal Mine Group as the research object, the grouting and anchor cable reinforcement technology is adopted to support the roadway two times. The results show that the two displacement of the roadway after the grouting anchor cable is 333 mm less than that of the non-grouting anchor cable, and the displacement of the top floor is 483 mm, which ensures the coal mining needs of the working face.