BLASTING PATTERN USING POSITION DIFFERENCE OF DETONATOR EXPLOSIVE AND ROCK BLASTING METHOD USING COMBINED DETONATION METHOD

摘要

The present invention relates to a blasting pattern using a position difference of a detonator explosive, and a rock blasting method using a combined detonation method. The purpose of the present invention is to secure crushed rock having a uniform size. According to the present invention, the rock blasting method using a combined detonation method comprises: a first step of drilling a plurality of blasting holes in a rock; a second step of charging a detonator and an explosive in the blasting hole; a third step of charging a stemming material in an inlet of the blasting hole to tamp; and a fourth step of igniting the explosive inside the blasting hole using the detonator.;COPYRIGHT KIPO 2017