Ventilation is a basic part of all underground mine operations as fresh, cool air is required to remove stale, affected air from the workings. The inadequate ventilation often is the cause of lower worker efficiency leading ...

Profit margins in metal quarrying have drastically reduced in Sri Lanka due to high powder factors recorded in recent rock blasting activities. Importance of analysing the influence of mechanical and aggregate rock ...

Blasting activities in mines and quarries have been placing significant emphasis on the ability to tailor fragmentation to improve downstream process. Achieving the optimum blast design for a particular rock mass type can ...