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Arhiv za tehničke nauke / Archives for Technical Sciences N0 23

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Authors in this issue:

Ranko Cvijić, Aleksej Milošević, Dado Srkalović, Željka Stjepić Srkalović, Dževad Forčaković, Jasmin Isabegović, Kenan Mandžić, Jelena Trivan, Dražena Tošić, Vladimir Todorović, Dražana Tošić, Zahid Bašić, Anadel Galamić, Sergey Gridnev, Igor Podlesnykh, Yuri Skalko, Aleksandr Rezunov, Dimitry Barabash, Andrei Barabash, Sergey Pinaev, Jelena Golijanin, Sanda Šušnjar, Rade Ivanović, Nataša Marić, Slađana Petronić,

Published: December 2020

Contents

December 2020 Original scientific article Geology
REPRODUCTION OF THE MINERAL – RAW MATERIAL BASE PROBLEMS IN THE REPUBLIC SRPSKA

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

December 2020 Original scientific article Geology
GROUNDWATER VULNERABILITY DETERMINATION OF NORTHEASTERN BOSNIA ACCORDING TO GLA METHOD

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

December 2020 Original scientific article Geology
QUALITATIVE CHARACTERISTICS OF THE COAL DEPOSIT KOTEZI IN THE BUGOJNO BASIN

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

December 2020 Original scientific article Geotechnics
INFLUENCE OF STRESS RATIO IN SHEAR SURFACE ON SHEAR STRENGTH OF DEPOSITED MATERIAL

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

December 2020 Review paper Mining
THE PHYSICAL-MECHANICAL CHARACTERISTICS OF COAL SEAMS OF IMMEDIATE FLOOR AND ROOF INFLUENCES ON THE CHOICE OF EXCAVATION SYSTEM IN THE COAL DEPOSITS IN SERBIA

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

December 2020 Professional paper Mining
DIMENSIONING SPECIFICS OF THE PRODUCTION CAPACITY OF UNDERGROUND COAL MINES IN SERBIA

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

December 2020 Original scientific article Construction
ANALYSIS BANDWIDTH DRAIN ON CITY ROAD

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

December 2020 Original scientific article Construction
ESTIMATING THE INFLUENCE OF SOLAR RADIATION AT DIFFERENT SEASONS ON THE MODE OF DEFORMATION OF A SPAN STRUCTURE WITH AN ORTROTROPIC PLATE

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

December 2020 Review paper Construction
RADIATION RESISTANT COMPOSITE FOR BIOLOGICAL PROTECTION OF THE PERSONNEL

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

December 2020 Original scientific article Environment
THE NATURAL HERITAGE OF PALE MUNICIPALITY: LOCAL POPULATION ATTITUDES

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

December 2020 Original scientific article Environment
DIVERSITY OF VASCULAR FLORA IN PROTECTED HABITAT TIŠINA

VelikaTišina swamp is located far north of the Republic of Srpska and Bosnia and Herzegovina, and belong to the territory of the Municipality of Šamac. The vascular flora was investigated within the Conservation Study, which was done in cooperation with the Republic Institute for the Protection of the Cultural and Historical Natural Heritage of the...

By NATAŠA MARIĆ, SLAĐANA PETRONIĆ

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