In the process, the holes were drilled by drifter with booms, the emulsified blasting powder wasfirst used for rock plug burst and a new method for calculating blast found application.

• 在方案实施中，采用多臂凿岩台车造孔及首次应用岩石乳化炸药作为岩塞爆破用药，并提出了装药量计算的新观点。