Proparation of the Annular Cumulative Charge and Its Application in Fundation Excavation Blasting
Gen Zhao · Blasting · 2001
In hydropower engineering,fundation excavation blasting is very strict and troublesome,for developing a simple implementation method to meet the code′s demands.This paper studies the cumulative charge principle and its influential factors.Thereafter two kinds of annular cumulative cartridge of cutting and embrasuring have been developed and produced,the blasting experiment has also been done.