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一、问题的提出工程爆破中,要想获得满意的爆破效果,除按工程要求正确设计各项爆破参数外,最关键的是要保证线路中所有雷管能够全部准爆。目前工程爆破中普遍使用的工业电雷管均为灼热桥丝式电雷管,在正常条件下,判断线路能否准爆的依据是“传导准爆条件”,按此条件设计、校核起爆线路,就能保证线路中所有雷管在正常供电情况下可靠起爆。该条件的数学表达式是:
First, the problem raised Engineering blasting, in order to obtain satisfactory blasting effect, in addition to the correct design of blasting parameters required by the project, the most crucial thing is to ensure that all the detonators in the line can all quasi-burst. At present, industrial electric detonators commonly used in engineering blasting are all hot wire bridge type electric detonators. Under normal conditions, the criterion for determining whether a line can be quasi-blasting is “conducting quasi-burst conditions”, designing and checking initiation lines according to these conditions, We can ensure that all the detonators in the line are reliably detonated under normal power supply conditions. The mathematical expression for this condition is: