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在采掘巷道正常工作的情况下进行电力爆破,会受巷道中杂散电流的影响,从而有可能导致早爆。本文对巷道中杂散电流的来源作了分析,并给出了实测数据,提出了预防措施。
Electric blasting in the normal operation of the mining roadway will be affected by the stray current in the roadway, which may lead to early explosion. This paper analyzes the source of stray current in the roadway, gives the measured data and puts forward the preventive measures.