煤巷锚网索支护断面欠佳原因分析与对策

Reason analysis and countermeasure of coal roadway anchor net cable support section unsatisfactory

曲江矿井煤巷掘进工作面采用爆破施工工艺,锚网(梁)索联合支护。在712(b)开切眼前期施工过程中,成巷及断面轮廓的整形方面难以达到验收标准的要求,分析断面成形欠佳的原因,提出对策,使712(b)开切眼后期施工质量符合要求。

Qujiang mine coal roadway driving face using blasting construction technology,anchor net(beam)cable combined support.In the construction process of 712(b)open-cut in the immediate period,the roadway forming and section contour shaping can not meet the requirements of the acceptance standard.The causes of section forming are analyzed and the countermeasures are put forward to make the construction quality of 712(b)open-cut meet the require ments in the later stage.