Table 7.
Mining parameters.
| Mining parameters | Explosive unit consumption/(kg/m3) | Row spacing (m) | Hole bottom distance (m) | Ore drawing step pitch/row |
|---|---|---|---|---|
| Parameter value | 0.83∼0.873 | 5∼1.9 | 1.8∼24 | 2∼5 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.