The issues addressed in this paper are dedicated to the balancing and analysis of coal reserves for the system of underground exploitation in the Republic of Serbia, both in active mines – deposits and in prospective deposits for activation in terms of production. The basic message emphasizes the importance of coal as the leading domestic ene...

By Zorica Ivković, Dražana Tošić, Dejan Dramlić

One of the most important influencing factors on the economy of mines with surface and underground exploitation is the correct choice of haulage technology of ore and waste.The paper analyzes the haulage of ore and waste in the Lead and Zinc Mine “Sase” Srebrenica and determines the optimal haulage length on the four excavation blocks for the appli...

By Duško Torbica, Vladimir Malbašić, Dražana Tošić, Jovan Popović

The physical and mechanical characteristics of coal seams, immediate floor and roof significantly influence to the choice of systems (the methods and technologies) of coal underground exploitation, and in this paper, their grouping and sorting by importance for the conditions of active underground mines in Serbia was carried out. The research is ba...

By Jelena Trivan, Dražena Tošić, Vladimir Todorović

In this article are presented the analysis of ore losses in bauxite underground exploitation as well as the manner and possibility to increase recovery factor of ore deposit and exploitation with minimum of diluted ore with overburden. The largest losses of ore are the caracteristics of the mining process itself and the results of model studies of ...

By Slobodan Majstorović, Dražana Tošić

Taking into consideration the current situation in the field of energy, the specific conditions of our mining and contemporary achievements in the field of underground exploitation, it can be stated that new circumstances in terms of techno-economic and security parameters of exploitation in the whole system of the exploitation of the coal deposits...

By Edin Fazlić, Semir Fejzić