Претрага

Упит dcterms_subject_txt:surface mining

1230 items

  • Razvoj ARCGIS geobaze površinskog kopa korišćenjem UML CASE alata

    Aleksandra Tomašević, Ljiljana Kolonja, Ivan Obradović, Ranka Stanković, Olivera Kitanović (2012)
    ... by geographic information systems are very modestly exploited in Serbian mining industry. It is the authors’ wish to bring closer to the mining public at least a small part of the possibilities offered by GIS, both in mining activities and in environment protection. This paper outlines a methodology ...
    ... availability of mining equipment (excavators, conveyor belts, trucks, etc.), the state of mining objects, works on mine benches coal and waste dumps. The application of GIS is especially important in the environment protection area, as it enables active monitoring of the impact of mining operations to ...
    ... Open Pit Arcgis Geodatabase | Aleksandra Tomašević, Ljiljana Kolonja, Ivan Obradović, Ranka Stanković, Olivera Kitanović | Podzemni radovi;Underground Mining Еngineering | 2012 | | http://dr.rgf.bg.ac.rs/s/repo/item/0002525 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду омогућава ...

  • Geologic Information System of Serbia

    Branislav Blagojević, Branislav Trivić, Ranka Stanković, Nenad Banjac, Olivera Kitanović (2011)
    Geologic information system of Serbia (GeolISS) represents repository for digital archiving, query, retrieving, analysis and geologic data visualization. The GeolISS is implemented through ESRI ArcGIS technology, and is designed to operate as a personal geodatabase (MS Jet 4.0 Engine) and SDE enterprise geodatabase in MS SQL Server. The objective of GeolISS implementation is integration of existing geologic archives, data from published maps at different scales, newly acquired field data, as well as Web publishing of geologic information. Physical implementation ...
    Geologic information system, Conceptual model, Logical model, Implementation, Geodatabase
    ... Faculty of Mining and Geology, Đušina 7, 11000 Belgrade, Serbia, e-mail: btrivic@rgf.bg.ac.rs 3 Faculty of Mining and Geology, Đušina 7, 11000 Belgrade, Serbia, e-mail: ranka@rgf.bg.ac.rs 4 Faculty of Mining and Geology, Đušina 7, 11000 Belgrade, Serbia, e-mail: olja@rgf.bg.ac.rs 5 Faculty of Mining and ...
    ... у слободном приступу. - Претрага репозиторијума доступна је на www.dr.rgf.bg.ac.rs The Digital repository of The University of Belgrade Faculty of Mining and Geology archives faculty publications available in open access, as well as the employees' publications. - The Repository is available at: www.dr ...

  • A bilingual digital library for academic and entrepreneurial knowledge management

    Ranka Stanković, Cvetana Krstev, Biljana Lazić, Dalibor Vorkapić (2015)
    A generic knowledge management process of organization, storage and retrieval of knowledge can suitably be fitted in a digital library. In the digital and knowledge age digital libraries can be used in knowledge management to handle intellectual assets and support knowledge creation. A multilingual digital library either stores content in more than one language or provides multilingual query access to monolingual content. In Serbia 18 of 308 scientific journals regularly published are bi-lingual, with papers simultaneously being in English ...
    Knowledge management, Digital library, Multilingualism, Language Resources, Terminology
    ... and is presently maintained by Ministry of Mining and Energy. Many institutions working with geological data are using GeolISS. 4http://rudonto.rgf.bg.ac.rs/ is the system of ontologies developed for the mining engineering and its applications in mining equipment and mine safety domains. TMX & ...
    ... Serbia E-mail: cvetana@matf.bg.ac.rs Biljana Lazić Faculty of Mining and Geology University of Belgrade Đušina 7, 11000 Belgrade, Serbia E-mail: biljana.lazic@rgf.bg.ac.rs Dalibor Vorkapić Faculty of Mining and Geology University of Belgrade Đušina 7, 11000 Belgrade, Serbia ...
    ... behaviour and decision-making (Abram,1997; p.20). To deal with the almost infinite amount of digital information, new methods such as data mining, text mining, content management, search engines, spidering programs, natural language searching, linguistic analysis, semantic networks, knowledge extraction ...

  • Defining location and dip of magnetic anomaly sources applying mathematical transformation

    Snežana Ignjatović, Milanka Negovanović (2022)
    It is significant to define the location and dip of anomaly sources during the geophysical exploration (magnetic, gravity, electric, seismic, etc.). In this paper we presented results obtained during magnetic survey. Applying different method of mathematical transformations on magnetic data we can find the position (edge) and dip of magnetic anomaly sources. For successful solution of this problem, we used combination two method tilt derivative and upward continuation. The study area located in the eastern Serbia, north part of ...
    magnetic data, tilt derivative, upward continuation, pluton Valja Strž

  • Indeksi kontrole održavanja i korišćenja rotornog bagera

    Jovana Mitrović, Predrag Jovančić, Dragan Ignjatović, Stevan Đenadić, Filip Miletić (2023)
    Razvoj površinske eksploatacije se u velikom stepenu zasniva na svestranoj mehanizaciji rudarskih radova. Kako bi se zadovoljili potrebni kapaciteti, neophodna je primena savremene mehanizacije, velikih kapaciteta i pouzdanosti u radu. Naime, sa stepenom povećanja mehanizovanosti radova smanjuje se broj zaposlenih radnika, povećava produktivnost rada, smanjuju troškovi po jedinici proizvoda, a samim tim i povećava ekonomičnost površinske eksploatacije. Predmet istraživanja su rotorni bageri SRs 1200 koji predstavljaju samohodne mašine kontinuiranog dejstva namenjene za otkopavanje jalovine i korisne supstance na površinskim ...
    rudarstvo, rotorni bager, indeksi održavanja, indeksi korišćenja, TOPSIS

  • Sepiolite – a by-product of exploitation as a potential raw material in Serbian industry

    Radmila Gaćina, Katarina Urošević, Jelena Zakonović (2019)
    This paper gives a brief overview of the sepiolite deposits, the basic properties, and the possibilities of using this mineral. Particular attention is paid to sepiolites from domestic production, especially the use of sepiolites suitable for the development of small businesses and technologies, with a focus on environmental protection. Aim of this paper is to point out importance of this mineral and to draw attention to the use of domestic raw materials. With appropriate mechanical and chemical pretreatments, sepiolite is ...
    sepiolite, by-product, small-scale mine, marginal costs,

  • Application of Membrane Technology for Separation CO2 from Natural Gas

    Lola Tomić, Dušan Danilović, Vesna Karović Maričić, Branko Leković, Miroslav Crnogorac (2020)
    Natural gas consists of a mixture of hydrocarbons with the largest share of methane, and non-hydrocarbon impure components such as N2, CO2 and H2S. In order to fulfill the gas market requirements, it is necessary to separate these unwanted components from the natural gas stream. There are several available technologies for the separation of CO2 from natural gas, such as: polymeric membranes, cryogenic distillation, absorption and adsorption. In this paper is presented the mechanism of CO2 separation using membrane technology, ...
    separacija CO2, polimerne membrane, membranski moduli

  • Synergy between the mineral deposit exploration and geothermal resources assessment on the example of "Valjevo" boron and lithium deposit in Serbia

    Nebojša Atanacković, Vladimir Živanović, Ana Vranješ, Sava Magazinović, Marinko Toljić, Ana Arifović, Branislav Potić (2023)
    Exploration of mineral deposits involves a collection of vast data sets on geological characteristics of the area. These data can largely contribute to the assessment of the geothermal potential, which can lead to an increase in the share of geothermal resources in the energy mix of the extractive industry and the local community. On the example of the "Valjevo" B-Li deposit, data on structural settings and previous hydrogeological investigations were combined with the results of resource drilling and geophysical ...
    Geothermal assessment, Mineral deposit exploration, Geothermal potential, Serbia
    ... INTRODUCTION The research community and the mining industry are making efforts to improve the environmental performance of mining operations by shifting to renewable energy. Previous studies showed that mineral exploration data and the expertise from the mining industry could help identify and develop ...
    ... repository of The University of Belgrade Faculty of Mining and Geology archives faculty publications available in open access, as well as the employees' publications. - The Repository is available at: www.dr.rgf.bg.ac.rs 9 International Conference MINING AND ENVIRONMENTAL PROTECTION May 2023, Serbia ...
    ... the company Euro Lithium Balkan d.o.o. REFERENCES 1. Levine, A.; Rhodes, G.; Kvien A. Mining G.O.L.D. (Geothermal Opportunities Leveraged Through Data): Exploring Synergies Between the Geothermal and Mining Industries. Golden, CO: Natonal Renewable „Energy · Laboratory · 2022, NREL/TP-6A20-81946 ...

  • Fuzzy expert analysis of the severity of mining machinery failure

    Dejan V. Petrović, Miloš Tanasijević, Saša Stojadinović, Jelena Ivaz, Pavle Stojković (2020)
    Mining machinery failure is almost an everyday occurrence. Usually the failures bare certain consequences, which require additional financial costs to repair and restore the system to its operational state. The consequences are viewed through negative and damaging effects a failure has on the machine, health and safety of the employees, work environment, and on the environment. The removal of the consequences of the failure requires additional financial investment, which has a negative impact on the company’s business. In order ...
    Severity of failure, Severity of failure assessment, Mining machinery, Fuzzy sets, Fuzzy logic

  • Filter rules for soil and geosynthetics

    Dragoslav Rakic, Irena Basaric Ikodinovic, Milenko Ljubojev (2021)
    Štetni efekti izazvani strujanjem vode kroz različite građevine (brane, nasipi i sl.) uspešno se rešavaju ugradnjom različitih filterskih slojeva. Osnovne funkcije filterskih slojeva su brza evakuacija vode uz sprečavanje unutrašnje erozije i iznošenje sitnih čestica tla. Ovi filterski slojevi najčešće se grade od krupnozrnih materijala (pesak, šljunak, kameni agregati), ali se pored prirodnih materijala sve više koriste i veštački geosintetički materijali. U radu su prikazana osnovna filtarska pravila koja treba ispoštovati da bi se izvelo uspešno projektovanje različitih filtracionih ...
    filter, baza, granulometrijski sastav, vodopropustljivosti, stabilnosti, začepljenje, izdržljivost

  • Parameter determination of soil oscillation law using quotient of the relative growth increments of oscillation velocity and reduced distances at “Nepričava“ open pit mine

    Suzana Lutovac, Sanja Bajić, Marina Ravilić, Radmila Gaćina (2015)
    ... gacina@rgf.rs; marina.ravilic@gmail.com UNDERGROUND MINING ENGINEERING 26 (2015) 9-19 UDK 62 UNIVERSITY OF BELGRADE - FACULTY OF MINING AND GEOLOGY YU ISSN 03542904 ...
    ... 15 4.2. Blasting Method Measurements of seismic shocks at "Nepričava" surface mine were performed during blasting, conducted for the purpose of deposit exploitation (Trajković & Lutovac, 2006). Three blasting operations were ...
    ... priraštaja brzina oscilovanja i redukovanih rastojanja na P.K. 'Nepričava' | Suzana Lutovac, Sanja Bajić, Marina Ravilić, Radmila Gaćina | Underground Mining Engineering | 2015 | | 10.5937/podrad1526009L http://dr.rgf.bg.ac.rs/s/repo/item/0003102 Дигитални репозиторијум Рударско-геолошког факултета У ...

  • Primena digitalne fotogrametrije u rudniku Rudnik

    Nikola Mirković, Luka Crnogorac, Katarina Urošević (2023)
    Digitalna fotogrametrija, lasersko skeniranje i virtuelizacija sve više pronalaze aktivne uloge u rudarstvu, prvenstveno zbog svoje široke mogućnosti primene. Laserskim skeniranjem i fotogrametrijom snimaju se i kreiraju 3D modeli otkopa, jamskih hodnika, površinskih kopova, površinskih objekata (zgrada, spomenika, predmeta), a vrši se skeniranje celih rudnika koji se rekonstruišu u 3D digitalne modele. Fotogrametrija predstavlja proces fotografisanja objekata pomoću fotoaparata i daljom obradom fotografija u različitim softverskim alatima kreiraju se realne kopije 3D modela objekata ili predmeta u digitalnoj formi. Za ...
    digitalna fotogrametrija, prostorna vizuelizacija, rudarski objekti, podzemna eksploatacija
    ... and virtualization are increasingly finding active roles in mining, primarily due to their wide application possibilities. With laser scanning and photogrammetry, 3D models of excavations, underground roadways, open-pit mines, surface objects (buildings, monuments, objects) are photographed and created ...
    ... (2019). Developing a virtual reality environment for mining research. Mining, metallurgy & exploration, 36, 597-606 [19] Tichon, J., & Burgess-Limerick, R. (2011). A review of virtual reality as a medium for safety related training in mining. Journal of Health & Safety Research & Practice, 3(1) ...
    ... ric Monitoring of an Artificially Loaded Standing Roof Support [11] CSIRO (2023) CSIRO Mining Geoscience, Sirovision, Website. Accessed [20.07.2023.], Available online [research.csiro.au/msci/projects/mining/sirovision] [12] NIKON (2023) Website, catalogue. Accessed [21.07.2023.], Available ...

  • Application of softwares for drilling and blasting

    Stefan Milanović, Lazar Kričak, Milanka Negovanović, Nikola Simić, Jovan Marković (2019)
    U današnje vreme softveri se sve više primenjuju u rudarstvu kroz eksploataciju mineralnih sirovina, projektovanje rudnika, u obavljanju različitih operacija na terenu i sl. Među softverima za rudarstvo, postoje softveri za specifične rudarske operacije, kao što su operacije bušenja i miniranja. Ovi procesi su veoma važni u eksploataciji čvrstih mineralnih sirovina, jer predstavljaju najjeftiniji i najefikasniji oblik fragmentacije stenske mase. Kroz rad, predstavljeni su neki od softvera u kombinaciji sa modernim tehnologijama, koje se koriste širom sveta i koje ...
    softver, moderne tehnologije, miniranje, bušenje, minsko polje

  • Application of the PROMETHEE and VIKOR methods for selecting the most suitable carbon dioxide geological storage option

    Lola Tomić, Vesna Karović Maričić, Dušan Danilović, Branko Leković, Miroslav Crnogorac (2019)
    CO2 storage in geological formations is one of the leading solutions for mitigation of greenhouse gas emissions. Types of geological formations that can be used for CO2 storage, that are discussed in this paper are: depleted oil and gas reservoirs, saline aquifers and injection CO2 in partially depleted oil reservoirs for enhanced oil recovery (EOR–CO2 method). In order to select the most suitable geological storage of CO2, the ranking of these storage options was performed using two methods of ...
    Prometej, vikor, višekriterijumsko odlučivanje, geološko skladištenje

  • First paleomagnetic and magnetic anisotropy results from Montenegrо - the coastal area

    Emö Márton, Vesna Cvetkov, Martin Đaković, Vesna Lesić, Slobodan Radusinović (2021)
    ... (paleo@mbfsz.gov.hu) 2University of Belgrade-Faculty of Mining and Geology, Department of Geophysics, Djušina 7, 11000 Belgrade, Serbia 3Geological Survey of Montenegro, Naselje Kruševac bb, 81000 Podgorica, Montenegro 4University of Belgrade-Faculty of Mining and Geology, Belgrade, Serbia. (PhD student) In ...
    ... у слободном приступу. - Претрага репозиторијума доступна је на www.dr.rgf.bg.ac.rs The Digital repository of The University of Belgrade Faculty of Mining and Geology archives faculty publications available in open access, as well as the employees' publications. - The Repository is available at: www.dr ...
    ... measurements, demagnetizations, statistical evaluations of the measurementswere carried out using standard methods in the Paleomagnetic Laboratory of the Mining andGeological Survey of Hungary. From the Dalmatian zone, the Upper Cretacous limestones have diamagnetic susceptibilities, veryweak NRM, which either ...

  • Investigation of quantitative indicators of anisotropy based on longitudinal elastic waves propagation velocities with uncertainty

    Miloš Gligorić, Jelena Majstorović, Suzana Lutovac (2018)
    ... Belgrade Faculty of Mining and Geology archives faculty publications available in open access, as well as the employees' publications. - The Repository is available at: www.dr.rgf.bg.ac.rs UNDERGROUND MINING ENGINEERING 32 (2018) 1-14 UDK 62 UNIVERSITY OF BELGRADE - FACULTY OF MINING AND GEOLOGY ISSN ...
    ... of the seventies in the last century for rock samples investigation (borehole core, blocks, etc.) as for field investigations, Mining department of the Faculty of Mining and Geology purchased an instrument of type PUNDIT (Portable Ultrasonic Non-destructive Digital Indicating Taster) (Gligorić ...
    ... anisotropy based on longitudinal elastic waves propagation velocities with uncertainty | Miloš Gligorić, Jelena Majstorović, Suzana Lutovac | Underground Mining Engineering | 2018 | | 10.5937/PodRad1832001G http://dr.rgf.bg.ac.rs/s/repo/item/0003075 Дигитални репозиторијум Рударско-геолошког факултета У ...

  • Quantitative landslide risk assessment in the city of Tuzla

    Miloš Marjanović, Biljana Abolmasov, Cvjetko Sandić, Miralem Mulać, Petar Begović (2021)
    In the climate-changing conditions, geological environment interacts more dramatically with the urban fabric than before. The urbanization is expansive and more aggressive than before, but so are the weather extremes and long-term climate trends. In effect, many processes which can be triggered by either side, nature or engineering, are becoming more pervasive than before, and such is the case with landslides. Dealing and managing landslides requires few crucial steps, starting from collecting data on landslide location and typology – ...
    "landslides", "risk assessment"
    ... procedure of its aggregation into dummy variables was followed. Distance to mining sites was calculated to depict disturbed zones, since mining in Tuzla region includes open pit coal and underground salt mining. Both mining types can affect stability by causing subsidence (m order of magnitude) or ...
    ... Herzegovina (BiH). The city is well-known for its mining activities, which bring welfare into the region and stimulate urban development. On the other hand, it is also known for rugged, steep terrain, hostile geological environment, underground mining side-effects (settlement), which is why it has ...
    ... у слободном приступу. - Претрага репозиторијума доступна је на www.dr.rgf.bg.ac.rs The Digital repository of The University of Belgrade Faculty of Mining and Geology archives faculty publications available in open access, as well as the employees' publications. - The Repository is available at: www.dr ...

  • Possibilities for Reduction of Energy-Related Air Pollution in Serbia - Exploring Energy Scenarios

    Marija Živković, Boban Pavlović, Dejan Ivezić, Aleksandar Mijatović (2023)
    Fossil fuels and biomass account for almost 93% of the total primary energy supply in Serbia. Meeting the energy needs of consumers implies a transformation of the chemical energy of fuels through combustion processes to obtain heat that can be utilized as such, or further transformed into mechanical or electrical energy. These processes have an undeniable impact on air pollution, even in cases of biofuels or hydrogen combustion. Possibilities for air pollution reduction are identified, both on the supply ...
    загађење ваздуха, сценарији енергетског развоја, Србија

  • Coal homogenization stockyard sizing “Tamnava – Zapad” case study

    Božo Kolonja, Dinko Knežević, Ranka Stanković, Dejan Stevanović, Detlef Trummer (2016)
    ... study | Božo Kolonja, Dinko Knežević, Ranka Stanković, Dejan Stevanović, Detlef Trummer | Proceedings of 13th International Symposium Continuous Surface Mining, ISCSM 2016 | 2016 | | http://dr.rgf.bg.ac.rs/s/repo/item/0001777 Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду ...
    ... is planned according to lower heating value, and the process takes place in several steps. The homogenization entails realistic planning of surface mining based on a precise and accurate coal quality database and proper use of available equipment. However, anticipated large oscillations and a large ...
    ... simulation for optimizing coal blending strategies in large continuous open pit mining operations (Benndorf, 2013.) integrates simulated realizations of the deposit with a simulation of transport- and blending models of mining operation. Beretta, et al (2010) used geostatistical simulation for reducing ...

  • Testing the energy value of different types of coal by the method of active thermography

    Stevan Đenadić, Ljubiša Tomić, Vesna Damnjanović, Predrag Jovančić, Dragutin Jovković (2020)
    In this paper, coal thermograms are presented and analyzed in order to determine their energy value. Two types of coal of different categories, brown and lignite, were selected for active thermographic imaging. The tested coal samples were processed before measurement so that they are similar in dimensions and have two plane-parallel smooth surfaces. The test samples were "primarily" heated under the same conditions and the process of their cooling was monitored by a thermal camera. "Then" they were cooled ...
    Infrared imaging, nondestructive testing, active thermography, coal.