DECK CHARGING METHOD USING COMBINATION OF ELECTRONIC BRAIN TUBE AND NON-ELECTRONIC BRAIN TUBE

摘要

The present invention provides a new deck charging method. The deck charging method is easily applied to a blasting site such as a tunnel and a vertical device where a plurality of charging holes are formed on a tunnel excavation surface. Moreover, the present invention can perform a blasting work at about half costs as compared to another method using the existing electronic brain tube.;COPYRIGHT KIPO 2016