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在权台煤矿3127乙工作面巷道掘进中,采用钻屑法监测煤层应力异常现象,成功地预报了可能发生的冲击矿压危险,确保了巷道掘进施工的安全。
In the tunneling of 3127 B working face of Quantai Coal Mine, the drilling cuttings method was used to monitor the stress anomalies in coal seams and the potential danger of rock burst was predicted successfully to ensure the safety of roadway excavation.