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

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

The “product” of architecture, as something that is created by the architect in a “design process”, along with other effective materialistic and environmental factors, depends on the worldview of the architect as the pioneer and director of the process. In fact, the architect‟s definition of human being and his aspects of existence on one hand and ...

By SEPIDE ABBASI YUSEFABAD, BEHNAZ AMINZADE, MOHAMMAD NAGHIZADE

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

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

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

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

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

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

Levels of SO2 in air samples from urban zone of Banja Luka were determined at locality Center in Banja Luka (administrative center of the Republic of Srpska, in Bosnia and Herzegovina) which is highly populated area, with intensive traffic and industry. Through experimental measuring, daily and weekend variation of SO2 concentration was determined....

By PREDRAG ILIĆ, DRAGANA NEŠKOVIĆ MARKIĆ, LJILJANA STOJANOVIĆ BJELIĆ

Noise pollution may have negative impacts on human health and environmental. The primary aim of this study is was to determine and mapping the noise pollution in the urban part of the city Banja Luka in Bulevar Cara Dušana by evaluating noise levels in the boulevards. The aim of this investigation is also compare measured noise levels in the boulev...

By PREDRAG ILIĆ, DRAGANA NEŠKOVIĆ MARKIĆ, LJILJANA STOJANOVIĆ BJELIĆ