GEOLOGICAL AND ECONOMIC ASSESMENT OF THE PERSPECTIVE OF THE MINING IN LJUBIJA ORE REGION
The iron ore of the Ljubija ore region for decades has a very great impact on the overall social reproduction in the area of the city of Prijedor, RS, BiH, which is clearly connected with the constant renewal and intensification of the production process. We have systematic geological explorations last over 135 years and exploitation with certain i...
By Ranko Cvijić, Aleksej Milošević, Miodrag Čelebić, Žarko Kovačević
ECONOMIC COST ANALYSIS OF DRILLING AND BLASTING DEPEND OF DRILLING AND BLASTING PARAMETERS AT QUARRY ''DOBRNJA'' NEAR BANJA LUKA
In the modern mining, best efficient organization by obtaining solid minerals, is getting with explosives utilization for blasting, with the growth of significance in the exploitation of mineral resources in the open pit mines with large capacities. In this paper technological stages of drilling and blasting, that are demanding from the technologic...
By Vladimir Malbašić, Žarko Kovačević, Miodrag Čelebić, Jovana Crnogorac
DEFINING THE BASIC CONDITIONS FOR THE APPLICATION LONGWALL PRINCIPE HORIZONTAL MERGER
Getting coal using mechanized longwall on the principle of horizontal concentration in a single procedure, it can be successfully applied in mining coal seams very small thickness. For high calorific coal thickness of coal seam that can be successfully excavate this method is approximately 1.0m other coals to 5.0 m.Result of extensive laboratory re...
By Jovo Miljanović, Neđo Đurić, Lazar Stojanović, Slobodan Majstorović, Žarko Kovačević
THE RESULTS OF AT ROOFBOLTING SYSTEM OF SUPPORT APPLICATION IN ''SOKO'' UNDERGROUND MINE
Complex mining and geological conditions of coal exploitation, such as the Soko mine, requiring theconstant work on the research of new technical solutions of development and supporting of theunderground openings.In this paper presented detailed description of the existing way of development and supportunderground openings at the mine Soko.Experien...
By Jovo Miljanović, Žarko Kovačević, Dražena Tošić
CALCULATION OF DRILLING AND BLASTING PARAMETERS FOR QUARRY ''DOBRNJA'' NEAR BANJA LUKA
Using of explosives in modern mining is very important for the good, efficient and rational organization for obtaining of solid minerals, especially in the exploitation of mineral resources on mines with large capacities. Technological phases of drilling and blasting in the exploitation process are very important in this case, and the analysis in t...
By Žarko Kovačević, Miodrag Čelebić, Dražena Tošić