A bench blast has the following drill hole parameters, diameter 200mm, bench height 10m, stemming length 2m, sub drill 1
Posted: Wed Jul 06, 2022 10:15 am
A bench blast has the following drill hole parameters, diameter200mm, bench height 10m, stemming length 2m, sub drill 1.6 m, holeis vertical. If an explosive with a density of 0.8 g/cc is employedthe charge mass contained in a single blast hole is: