4 Ergebnisse.

The issues of labour protection in the mines are taken very seriously because working conditions here are one of the hardest and most dangerous. This manual dwells on the important issues of labour protection and safety in the mines and focused on minimizing the injuries and losses of working hours and the material damages which could result from the inadequacy of mitigation measures which are in place. On the issues of mine safety in this man...

The purpose of mine ventilation is to create the necessary working conditions by supplying enough quantity of fresh air to every person in the mine, dilute, render harmless and sweep away dangerous gases, create the necessary working conditions of humidity and air temperature and remove dust and fumes from explosives. To accomplish these tasks requires thorough understanding of the various ventilation techniques applicable in the mining indust...

Best results in blasting are achievable from considering all influential mining and geological factors in the establishment of the parameters of blasting rounds charge design most fit to deliver the desired degree of fragmentation and blasting economics. The course content is focused on understanding the formulations of commercial explosives and initiation systems used in surface and underground rock blasting, the mechanisms of explosive rock ...

The whole technological complex of processes for open cast and underground development and extraction of hard rock resources begins with the difficult and most power consuming and costly process of blastholes drilling using the very expensive, but highly productive modern rock drills. Most important in the economics of blastholes drilling is the selection of drilling machines, accessories, parameters and regimes most fit for the prevailing min...