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综合应用基本地质方法,准确预测2401工作面顺槽即将揭露DF20断层位置及落差,分析研究了掘进过断层的地层赋存规律。应用产状实测技术,有效控制掘进施工的煤岩层位,精准实现了一次性盲掘过断层。为相似地质条件一次性盲掘过断层提供了技术参考。
Based on the comprehensive application of the basic geologic methods, it is predicted that the location and the drop of the DF20 fault will be exposed exactly along the trough of the 2401 face, and the stratigraphic occurrence of the fault penetrated into the fault has been analyzed. The application of actual measurement technology can effectively control the coal and rock formations in tunneling and realize the one-time blind excavation. It provides a technical reference for the blind excavation of faults under similar geological conditions.