我们在东北大兴安岭塔十支线开挖永安隧道和路堑爆破中采用了一种新型的起爆器材—塑料导爆管起爆系统。 本文主要介绍使用该系统的方法,与火爆、电爆等起爆方法相比其经济技术效果,使用中的注意事项,以及我们对推广使用这种起爆器材的一些看法。 We have adopted a new type of detonation equipment - plastic detonating tube detonation system in Yong’an Tunnel and cutting blasting in the excavation of ten lines of the Daxinganling Tower in Northeast China. This article describes the use of the system approach, and hot, electric explosion and other explosive methods compared to its economic and technical results, the use of precautions, as well as our promotion of the use of such equipment, some of the views.