The paper assesses the vulnerability of 27 groundwater bodies in the basin of the river Bosna, ie Spreča, then the river basin of the Drina river (Drinjača), as well as parts of the immediate Sava river basin (Čelić area - Gnjica river and Turija basin) by the GLA method. For each water body, the determination of the effective soil capacity, degree...

By Dado Srkalović, Željka Stjepić Srkalović

Sizing the production capacity of underground coal mines is an extremely complex task with a number of specifics that must be taken into account when designing the mines. The main factors are the specific natural-geological conditions of the deposit, which determine the application of an adequate excavation system followed by organizational factors...

By Vladimir Todorović, Dražana Tošić, Jelena Trivan

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

The "Ribnica" landfill of the "Vrtlište" surface mine bordered the river Ribnica until during 2017, a landslide was started and the river Ribnica was interrupted, and a water reservoir was formed. After the completion of the tunnel that diverted the river Ribnica, its previously interrupted riverbed in the downstream part is planned for continuatio...

By Jasmin Isabegović, Kenan Mandžić

This paper presents study results of the qualitative characteristics of coal deposit Kotezi. Regional geological researches were conducted from 1983 to 1987, and detailed from 2014 to the end of 2018.Tests were performed on the following coal quality parameters: average thickness of pure coal in coal layers, total moisture content, ash content, tot...

By Dževad Forčaković

Dams and tailing storage facilities are specific mining facilities that carry many potential hazards, and therefore risks. In this paper, for tailing mud damMedjedja andtailing storage facilityof the Omarska Mine near Prijedor, on the basis of the current state of the dam, past events, visual observations and specialist measurements, we have analys...

By Lazar Stojanovic, Ljubica Figun, Jelena Trivan

The Strategy for the management and utilization of mineral resources of the Republic Srpska includes inevitably the mineral resource base as an essential element of material and social development, and it is one of the significant reliance forms on its own suorces in achieving economic development. In this sense, geological exploration, like an imp...

By Ranko Cvijić, Aleksej Milošević

According to data given by [1], 165 spider species from 27 families and 103 genera are known in the territory of Bosnia and Herzegovina. So far in B&H, according to [1] a total of 11 species have been registered from Fam.Aranidae and 2 species from genus Araneus; a total of 11 species from Fam.Thomisidae; a total of 11 species from Fam.Lycosida...

By Mihajlo Stanković, Milenko Ćurĉić

Freshwater water resources are not inexhaustible [1]. In recent decades, more and more facts point to this statement from the European Charter for Water. Uncontrolled drinking water interventions, losses in water supply and climate change indicate the problem of sufficient quantities of drinking water [2]. Looking at this problem, it is hard to bel...

By Sanel Buljubašić

The issue of the appearance and development of cracks, as well as an increase the cracking moment is of particular importance for bending elements operating under aggressive environmental conditions. In structures without cracks, steel reinforcement operates in fairly favorable conditions. However, when cracks appear in the sections of the structur...

By Artem Levchenko, Aleksei Polikutin, Dmitry Barabash