A bench blast has the following drill hole parameters, diameter 200mm, bench height 10m, stemming length 2m, sub drill 1
-
- Site Admin
- Posts: 899603
- Joined: Mon Aug 02, 2021 8:13 am
A bench blast has the following drill hole parameters, diameter 200mm, bench height 10m, stemming length 2m, sub drill 1
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: