More than 60 years ago, six countries (Belgium, France, Germany, Italy, Luxembourg and the    Netherlands) have established a Coal and Steel Community and have reached an agreement that with creating a unified market for coal and steel, they will attain common prosperity, by developing national and economic interests of these countries. T...

By Saša Stamenkovic, Svetlana Stevovic, Milan Stamatovic

This paper shows the possibility that a part of the existing narrow track of Banovići mines 760 mm wide and with the design and part of the new track Banovići - Zlaĉa is used for the tourist track. The project solution is planning a two-phase tourist track, phase I of Banovići-Maĉkovac phase II, MaĉkovacZlaĉa, with a total length of 10,601 m.The fa...

By Zahid Bašić, Amir Džananović

The main goal of the research was to determine to which extent the copper (Cu) is dominant in the topsoils of Tuzla's area. Considering the defined goal, the detailed soil analyze for the presence of this element in the area of Tuzla, was carried out. The terrain work was based on soil sampling (240 samples) from the area of about 303 km2 . The sam...

By Željka Stjepić Srkalović

The research and determination of diatoms (Bacillariophyta) have been carried out in the area of Semberija (Bosnia and Herzegovina) in several locations, which included 35 open shadoof wells incurred by the anthropogenic activity many decades ago, and they represent artificial fresh water ecosystems. The algological material has been collected from...

By Milenko Ćurčić, Dragica Milinković, Olivera Petrović-Tomanić, Dijana Đurić

This study examined the impact of climate, altitude and landforms on humic acids (HA) optical properties (E4/E6, ∆logK, RF indexes) in Serbian Rendzina soils. HA humification degree of calcareous and decarbonated Rendzinas under natural vegetation (forest and grassland, separately) decreased with altitude increasing. This particular rule was not ma...

By Svjetlana Radmanović, Nataša Nikolić, Aleksandar Đorđević

Efficiency of trigonometric levelling method for height differences determination is better than those determined by geometric levelling but its accuracy is significantly lower. Development of accuracy of geodetic instruments increases possibilities for improvement accuracy of trigonometric levelling.However, air refraction appears as ultimate limi...

By Milan Trifković, Žarko Nestorović

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

Base isolation systems are among the most successful and widely applied methods of mitigating structural vibration and damage during seismic events. These systems have been installed in numerous full-scale structures all around. There are three principal types of base isolators: Lead Rubber Bearing (LRB), High Damping Rubber Bearing (HDRB), and Fri...

By Barghlame Hadi, Hojjat Hashempour Gavgani

The major task of multi-purpose reservoir „Modrac“ operation is to decide how much water should be released now and how much should be retained for future use given some available and/or forecasted information at the beginning of the current time period. In practice, reservoir operators usually follow rule curves, which stipulate the actions that s...

By Nedim Suljić, Omer Kovčić

Researched section of the railway route presents a part of the route from Sarajevo to Doboj, built with two tracks. First track was built in 1947, and the second in 1978. In construction methods are present differences, considering the time when it was constructed and the way of construction. Both tracks were used for years for movement of trains o...

By Neđo Đurić, Svetlana Stevović, Dijana Đurić, Milan Perišić