GEOLOGICAL EVALUATION OF THE STATE OF THE ROUTE M18, SECTION FOCA – HUM, REPUBLIC OF SRPSKA
Improvement of the quality of the route is necessary because of its importance in connecting countries of the Western Balkans to central and western Europe. This is the worst section of the road from Albania via Montenegro and Bosnia and Herzegovina to the corridor Vc, which passes through the central part of Bosnia and Herzegovina. The route of th...
By Neđo Đurić, Andja Djujic
INFLUENCE OF VOLUME WEIGHT ON GABBRO UNIAXIAL COMPRESSION STRENGTH
Jablanica gabbro represents the highest quality architectural building stone in Bosnia and Herzegovina. Knowledge of the physical and mechanical characteristics of gabbro is an important prerequisite for the proper usage of this rock material. This paper presents a brief review of the geological characteristics Jablanica gabbro deposit, with distin...
By Kenan Mandžić, Adnan Ibrahimović
ECONOMIC COST ANALYSIS OF DRILLING AND BLASTING DEPEND OF DRILLING AND BLASTING PARAMETERS AT QUARRY ''DOBRNJA'' NEAR BANJA LUKA
In the modern mining, best efficient organization by obtaining solid minerals, is getting with explosives utilization for blasting, with the growth of significance in the exploitation of mineral resources in the open pit mines with large capacities. In this paper technological stages of drilling and blasting, that are demanding from the technologic...
By Vladimir Malbašić, Žarko Kovačević, Miodrag Čelebić, Jovana Crnogorac
REASONS TO CHANGE THE TENDER PROJECT OF A TUNNEL DURING CONSTRUCTION
During construction, especially of tunnels, very often there is a need to change the tender technical documents, i.e. the documents upon which the construction permit is obtained and the tender is announced. The main reason for the change of documentation is, above all, unsuficient geotechnical investigations due to which technical solutions and ca...
By Dragan Lukić, Stanko Brčić, Elefterija Zlatanović
ESSENTIAL OIL AND EXTRACTS FROM THYMUS PRAECOX OPIZ SSP. POLYTRICHUS AS NATURAL ANTIOXIDANTS
Spices and herbs have been used for centuries by many cultures to enhance the flavor and aroma of foods. Early cultures also recognized the value of using spices and herbs in preserving foods and for their medicinal value. In the present study the essential oil of wild growing Thymus praecox Opiz ssp. polytrichus was isolated by hydrodistillationpr...
By V. Nada Petrović, S. Slobodan Petrović, Dubravka Jovičić, Marina Francišković
ASSESSMENT OF WATER QUALITY OF THE PEK RIVER BASED ON PHYSICOCHEMICAL ANALYSIS
Levels of physicochemical parameters (pH, electrical conductivity, sulphates, chlorides, temperature, turbidity, total hardness, iron, manganese, copper, dissolved oxygen, oxygen saturation, total suspended solid, ammonium nitrogen, total nitrogen and orthophosphates ) were determined in the water samples collected from Pek River at 4 sample sites ...
By V. Nada Petrović, P. Dejan Marković
STRESS CHANGES IN CEMENTED BOREHOLE ANNULUS
Cemented boreholes annulus its stability achieved tightness must be maintained in the continuation phase of drilling, is that in the process of drilling, cementing, production. Preserving stability in the working life of the wells threatened and technological stage of the production process due to the natural development of conditioned stress-laden...
By Zvonimir Bošković, Vladimir Čebašek
PROBLEMS OF HERMETICALITY OF WELLS FOR LEACHING IN “TETIMA” MASSIF AND REPAIRING CONSTRUCTION IN CASE OF UNHERMETICAL COLUMN PIPES 9 5 /8"
As it is known, the extraction of rock salt from deposit “Tetima”, Majevica, performed is by controlled leaching in the underground chambers positioned diply in the salt deposit. The connection between the underground chamber, that represents the basic production unit in the primary salt production and technological installations on the surface, is...
By Almir Šabović, Sanel Nuhanović, Adnan Hodžić, Adnan Nalić
GEOECOLOGICAL EVALUATION OF THE ORLOVAČA CAVE
Speleological tourism in the world has a long tradition. Тhe environment of the karst underground has long attracted nature lovers, various researchers and tourists. Orlovača cave is one of the largest and most beautiful cave systems in Bosnia and Herzegovina and Republic of Srpska. Accordingly, in order to evaluate the tourist values of this local...
By Milovan Pecelj, Marina Ilinčić, Jelena Belij, Dušica Pecelj, Jelena Pecelj
SREBRENICA OREFIELD, PODRINJE METALLOGENIC DISTRICT, REPUBLIC OF SRPSKA, B&H: HYDRATED Fe(Al)-PHOSPHATES AND THEIR PARAGENESES WITHIN THE Pb-Zn MINERALIZATION
The Srebrenica orefield is mostly composed of Tertiary dacite-andesites, and quartz latites, pyroclastites, Paleozoic schists, and Quaternary sediments, but in a in a lesser extent. The latest research showed that in the Srebrenica orefield occur complex mineral parageneses and associations deposited in pneumatolytic-hydrothermal and hydrothermal (...
By Slobodan Radosavljević, Dragoslav Đorđević, Jovica Stojanović, Ana Radosavljević-Mihajlović, Vladan Kašić