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“三软煤层”巷道支护问题一直是困扰生产的难点之一。文章通过对永华煤矿“三软煤层”煤巷矿压规律进行分析,提出了支护方案。实践表明,该方案技术合理可行,达到了预定的支护效果。
“Three soft seam ” roadway support problem has been one of the difficulties plaguing the production. Through the analysis of the coal seam pressure law of “soft seam” in Yonghua Coal Mine, the article puts forward the support scheme. Practice shows that the program is technically feasible and achieves the expected supporting effect.