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QC小组通过对影响小断面大坡度斜井掘进效率的原因进行逐层分析,针对4个主要原因制定对策、分别实施,使掘进效率比对策实施前提高了69.2%,保证了工程的按期进行,圆满完成了QC小组活动的目标。
The QC team conducted a layer-by-layer analysis on the reasons that affect the tunneling efficiency of large-scale inclined shafts with small sections and formulated measures for the four major causes and implemented them respectively, so that the tunneling efficiency was improved by 69.2% compared with that before the implementation of the measures, ensuring that the project was carried out on schedule, Successful completion of the QC group activities.