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锚杆支护是我国煤矿回采巷道中的主要支护形式之一。本文通过对树脂锚杆直径、钻孔直径及锚固长度的合理性分析 ,得出三者最佳的技术经济效益和支护效果。
Bolting support is one of the main support forms in the coal mine roadway in China. In this paper, through the reasonable analysis of resin bolt diameter, borehole diameter and anchorage length, the best technical and economic benefits and support effect are obtained.