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

Natural and landscape complex of Pale municipality, where dominates mountainous areas, are characterized by diversity of geological and geomorphological phenomena and forms, as well as biological and ecosystem diversity. The significance of natural heritage is multiple, especially in terms of tourism and adapting the tourist offer to the needs and ...

By Jelena Golijanin, Sanda Šušnjar, Rade Ivanović

Results of scientific and practical justification of use as a part of designs of biological protection of polymer concrete on the basis of non - isocyanates polyurethane are presented. Influence of a ratio polymer is established: radiation - resistant filler on strength and protective properties of a polymer concrete. Regression dependences of chan...

By Dimitry Barabash, Andrei Barabash, Sergey Pinaev

The article studies the effect of solar radiation at different seasons on the mode of deformation (MD) of a span structure with an orthotropic plate. The temperature fields of the elements of the structure were measured during daylight hours at different times of year at various air temperatures and sun positions. Cases were identified in which it ...

By Sergey Gridnev, Igor Podlesnykh, Yuri Skalko, Aleksandr Rezunov

Drainage of surface water from the pavement structure is an important parameter for preserving the designed period and safety during the operation of the pavement structure. The paper presents research on the relationship between the efficiency of drains depending on the cross slope. When the correct selection of transverse slopes and the collectio...

By Zahid Bašić, Anadel Galamić

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

In this study the adsorption of As(V), Cu(II) and Zn(II) ions from multi-species model solution was tested in dynamic conditions in sand columns containing a thin layer of bentonite (B), iron-based sludge (IS) and synthetic magnetic particles (MP). Adsorption experiments were performed in order to evaluate the removal efficiency and selectivity of ...

By Alexandra Bekényiová, Zuzana Danková, Michal Hegedüs, Zuzana Mitróová, Silvia Dolinská, Ingrid Znamenáčková

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

Prevention of the surface water quality deterioration as a result of motorway construction or similar anthropogenic activities is certainly a rather more demanding task relating to watercourses with lower flow rates than larger watercourses. The paper presents the impact of part of the Banja Luka - Doboj motorway construction site, notably section ...

By Nebojša Knežević, Dušica Pešević

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