Претрага
2182 items
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The lost freshwater goby fish fauna (Teleostei, Gobiidae) from the early Miocene of Klinci (Serbia)
Freshwater gobies played an important role in the Miocene paleolakes of central and southeastern Europe. Much data have been gathered from isolated otoliths, but articulated skeletons are relatively rare. Here, we review a rich assemblage of articulated gobies with abundant otoliths in situ from the late early Miocene lake deposits of Klinci in the Valjevo freshwater lake of the Valjevo-Mionica Basin of Serbia. The fauna was originally described by Anđelković in 1978, who noted many different fishes, including one ...Katarina Bradić-Milinović, Harald Ahnelt, Ljupko Rundić, Werner Schwarzhans. "The lost freshwater goby fish fauna (Teleostei, Gobiidae) from the early Miocene of Klinci (Serbia)" in Swiss Journal of Palaeontology, Springer Science and Business Media LLC (2019). https://doi.org/10.1007/s13358-019-00194-4
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A hydrogeological model of the open-cast mine Tamnava - West Field (Kolubara Coal Basin, Serbia)
... Science and Technological Development of the Republic of Serbia for funding projects OI176022, TR33039, TR37005 and III43004. REFERENCES BAJIĆ, D. and POLOMČIĆ, D. (2012) A conceptual hydrogeological model for open pit mine „Polje E“ (Kolubara coal basin, Serbia). In: RŮŽIČKA, J. and RŮŽIČKOVÁ ...
... Vysoká škola báňská - Technical University of Ostrava, pp 1-12. BROWN, K., TROTT, S. and NABI, A. (2012) An alternative approach to managing dewatering in an open pit mine. In: MCCULLOUGH, C.D., LUND, M.A., and WYSE, L. (eds.) Proceedings of the International Mine Water Association Symposium. Bunbury ...
... D., BAJIĆ, D. and RISTIĆ-VAKANJAC, V. (2012) Groundwater balance, natural recharge and drainage zones at open pit mine „Polje E“ of Kolubara Coal Basin (Republic of Serbia). In: BAN, M., et al. (eds.) CD Proceedings of the 7th Conference on Sustainable Development of Energy Water and Environmental ...Jelena Ratković, Dušan Polomčić, Dragoljub Bajić, Bojan Hajdin. "A hydrogeological model of the open-cast mine Tamnava - West Field (Kolubara Coal Basin, Serbia)" in Underground Mining Engineering no. 29, Belgrade : University of Belgrade - Faculty of mining and geology (2016): 43-54
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Optimizacija faznog razvoja Površinskog kopa Ciganuša – Škorac u cilju definisanja dugoročne dinamike eksploatcije
Definisanje dugoročne dinamike razvoja rudarskih radova koja je u potpunosti usaglašena sa strateškim ciljevima Investitora, veoma je zahtevan zadatak, koji vrlo često podrazumeva veliki broj ograničenja. Adekvatno definisana dinamika razvoja rudarskih radova treba da obezbedi dugoročne zahteve u pogledu kapaciteta, kvaliteta i raspodele resursa neophodnih za ispunjavanje strateških ciljeva, koji se po pravilu svode na ostvarenje maksimalnog profita. Uspešno definisanje dinamike eksploatacije (posebno kod metaličnih ležišta) u najvećoj meri zavisi od optimizacije faznog razvoja površinskog kopa, odnosno od pravilnog ...Dejan Stevanović, Petar Marković, Mirjana Banković, Milan Živković. "Optimizacija faznog razvoja Površinskog kopa Ciganuša – Škorac u cilju definisanja dugoročne dinamike eksploatcije" in XV Međunarodna konferencija OMC 2022, Zlatibor, 12-15. oktobar 2022., Jugoslovenski komitet za površinsku eksploataciju (2022)
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Development of the Availability Concept by Using Fuzzy Theory with AHP Correction, a Case Study: Bulldozers in the Open-Pit Lignite Mine
Stevan Đenadić, Dragan Ignjatović, Miloš Tanasijević, Uglješa Bugarić, Ivan Janković, Tomislav Šubaranović (2019)Availability is one of the most used terms in maintainability engineering. This concept is used to denote: The quality of service of an engineering system, i.e., machines, weak points’ analysis, asset management, as well as making decisions in the process of life cycle management. Availability is an overall indicator and contains partial indicators that are oriented towards reliability, maintenance, and logistical support. Availability presents a variable value and changes in time and space. Usually, availability is shown as the ...... indicators (phenomena) R, M, and S. That is, the respondents could assign 100% membership to one assessment and allocate them to multiple grades. The survey covered four respondents in the open-pit mine in the “Kolubara” Mining Basin whose estimates are shown in Tables 4 and 5. Table 4 shows the assigned ...
... availability of bulldozers in EPS open-pit lignite mines. One of the basic prerequisites for the successful operation of basic mechanization in open-pit mining with continuous systems is to carry out all necessary auxiliary works on time (cleaning the strips in striping and disposing, moving the transporter ...
... availability, the open-pit mine must have a larger number of units or there will not be enough machines for operation. In the structure and extent of auxiliary works in open-pit mines, the most commonly used earthworks are those which are performed by bulldozers, and therefore, the analysis was carried ...Stevan Đenadić, Dragan Ignjatović, Miloš Tanasijević, Uglješa Bugarić, Ivan Janković, Tomislav Šubaranović. "Development of the Availability Concept by Using Fuzzy Theory with AHP Correction, a Case Study: Bulldozers in the Open-Pit Lignite Mine" in Energies, MDPI AG (2019). https://doi.org/10.3390/en12214044
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Ograničenja primene optimizacionih algoritama u slučaju kopova
Proces optimizacije površinskih kopova, kao sastavni deo strateškog planiranja, veoma je važan sa stanovišta ostvarivanja maksimalnih efekata proizvodnje. To je složen zadatak koji vrlo često podleže vrlo strogim geometrijskim i drugim praktičnim rudarskim ograničenjima. Ova ograničenja u posebno su izražena na površinskim kopovima uglja, te u značajnoj meri mogu povećati stepen neizvesnosti rudarskog projekta, odnosno izazvati neželjena dejstva u pogledu profitabilnosti poslovanja. Iz tog razloga, veoma je važna primena savremenih optimizacionih alata, koji u značajnoj meri mogu olakšati celokupan ...... restrictions. These limitations are particularly pronounced in open pit coal mines, and can significantly increase the degree of uncertainty of the mining project, or cause side effects in terms of business profitability. For this reason, it is very important to apply modern optimization tools, which ...
... coal blending strategies in large continuous open pit mining operations. International Journal of Coal Geology, 112, 141-153, 2013 Naworyta W., Sypniowski S. & Benndorf J.: Planning for reliable coal quality delivery considering geological variability: A case study in polish lignite mining. Journal ...
... Plants Through Mine Coal Quality Planning and Control. Thermal Science, 22(1B), pp.721-733, 2017 Benndorf J.: Investigating the variability of key coal quality parameters in continuous mining operations when using stockpiles. Advances in Orebody Modelling and Strategic Mine Planning I. AusiMM, 2011 ...Dejan Stevanović, Mirjana Banković, Milica Pešić Georgiadis, Petar Marković, Dejan Ranković. "Ograničenja primene optimizacionih algoritama u slučaju kopova" in XIV Međunarodna konferencija OMC 2020, Zlatibor, Srbija, 14-17. oktobar 2020., Beograd : Jugoslovenski komitet za površinsku eksploataciju (2020)
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Optimizacija utovarno-transportnih sistema u funkciji planiranja površinskog kopa
Mirjana V. Banković (2018-07-13)Profitabilna eksploatacija sve složenijih ležišta je težak zadatak koji zavisi odtemeljnog procesa analize, planiranja i projektovanja rudnika. Izvodljiv strateškiplan mora da zadovoljava društvena, regulatorna, tehnološka, geometrijska iekonomska ograničenja. Kako bi se postigao osnovni cilj, odnosno profitabilnost iodrživost rudarskog projekta na duži period, neophodno je unapređenjematematičkih modela i informatičke podrške procesima planiranja i optimizacijekoji će omogućiti efikasnu realizaciju ovih ciljeva...tehnološki model, integralni model, planiranje, optimizacija,utovarno-transportni sistem, neto sadašnja vrednost projekta... Transactions of the Institution of Mining and Metallurgy. Section A. Mining Industry, 101, 104-108. Roman, R., 1974, The role of time value of money in determining an open pit mining sequence and pit limits. Proc. 12th Symp. Application Computers and Operation Research in the Mineral Industry. Rudrajit, M ...
... optimization: grade uncertainty and risk effects in open-pit design. Mining Technology, 111 (1), 82-88. 196 Dorin, I., Diaconescu, C., Topor, D. I., 2014, The role of mining in national economies. International Journal of Academic Research in Accounting, Finance and Management Sciences, 4 (3), 155-160 ...
... Lizotte, Y., 1988, Economic and technical relations between open-pit design and equipment selection. Mine Planning and Equipment Selection. Singhal (Ed). Balkema, Rotterdam, 3-12. Marques, D. M., Costa, J. F. C., 2013, An algorithm to simulate ore grade variability in blending and homogenization piles. ...Mirjana V. Banković. "Optimizacija utovarno-transportnih sistema u funkciji planiranja površinskog kopa" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2018-07-13)
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Towards Better Valorisation of Industrial Minerals andRocks in Serbia—Case Study of Industrial Clays
... clay Rovine-Potočić Large Low Open pit 1 (>20) Up to 4 Gušica Large Low Open pit 1 (>50) 1–30 Jerli Sadovina Large Low Open pit 1 (8) 8 3.2. Actual Geological Exploration of Industrial Clays in Serbia Actual geological exploration and reporting standards in Serbia are still a derivation of the ...
... balanced reserves in Serbia, as already explained, may include A + B + C1 reserves, or even only C1 reserves and may be calculated in the same way as geological (in situ) reserves (Table 1) after the analysis of modifying factors, but without taking into account the final pit design. In that case there ...
... deposits are in operation. Deposit Size of Deposit Quality (Grade) Method of Exploitation Number of Layers and Their Thickness (M) Depth of Bentonite Layers (M) 1. Bentonite Vrdnik Large Good Underground 3 (0,1–1,0) ~200 Drmno Large Unexplored Open pit Several (0.1–1.5) In coal seam ...Vladimir Simić, Dragana Životić, Zoran Miladinović. "Towards Better Valorisation of Industrial Minerals andRocks in Serbia—Case Study of Industrial Clays" in Resources, MDPI AG (2021). https://doi.org/10.3390/resources10060063
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Uticaj geološke neizvesnosti u razvoju rudarskih projekata
Rudarstvo je industrija koja se nosi sa različitim vrstama neizvesnosti i rizika zbog svoje prirode i specifičnosti. Neizvesnost u rudarstvu može poticati iz različitih izvora i uticati na različite aspekte rudarskih projekata. Kao jedan od dominantnih faktora, ističe se geološka neizvesnost. Geološka neizvesnost igra ključnu ulogu u rudarstvu i može značajno uticati na procenu resursa i rezervi, planiranje eksploatacije, ekonomsku isplativost i upravljanje rizicima. Ova neizvesnost se ne može eliminisati, ali se uz primenu adekvatnih standarda i zakona može ...... the results of the pit optimization, are shown. The analysis was carried out on an iron ore deposit and is based on the assumed uncertainty that may occur in the assessment of the content of the useful component in the ore (grade of iron in the ore). The results were generated in the Whittle software ...
... on: Grade uncertainty and risk effects in open-pit design. Transactions of the Institution of Mining and Metallurgy , 3, 82-88. [7] Edwards A.C. (2001). Mineral resource and ore reserve estimation : the AusiIMM guide to good practice. Australasian Institute of Mining and Metallurgy. [8] Emery ...
... uncertainty in pushback designs for complex multi-process open pit mines. Mining Technology , 122 (2), 67-77. [18] Royer PS. (2000). Risk Management: The Undiscovered Dimension of Project ManagemenT. PM Network , 14, 31-40. [19] Rozman, L.I. (1998). Measuring and managing the risk in resource and reserves ...Petar Marković, Dejan Stevanović, Mirjana Banković. "Uticaj geološke neizvesnosti u razvoju rudarskih projekata" in XI Međunarodna konferencija "Ugalj i kritični minerali 2023", CCM 2023, Zlatibor, 11-14. oktobar 2023., Beograd : Jugoslovenski komitet za površinsku eksploataciju (2023)
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Razmatranje dinamičkih svojstava terena in situ
Hranislav Bogdanović (1983)Hranislav Bogdanović. Razmatranje dinamičkih svojstava terena in situ, Beograd:Rudarsko-geološki fakultet : Smer za geotehniku, 1983
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Soil oscillation law parameter determination with the application of Lagrange’s theorem at “Kovilovača“ open pit
... shocks at the ”Kovilovača” open pit were performed dur- ing blasting, conducted for the purpose of deposit exploitation [9]. Two blasting opera- tions were performed. Balkanit 60/1500, detonex 65/1500 and ANFO 70/1500 were used as explosives. Activation of explosives in the borehole was performed using ...
... Result of Blasting at the Open Pit “Kovilovača” - Despotovac, Faculty of Mining and Geology, Belgrade, pp. 1-47. No. 3, 2015 Mining & Metallurgy Engineering Bor 62 [8] Lutovac S., (2010). Model for Deter- mining Parameters of the law Oscillation of the Rock Mass in blasting, Ph. D. Thesis, Faculty ...
... Faculty of Mining and Geology, Belgrade, pp. 1- 240. [9] Trajković S., Lutovac S., Tokalić R.; (2008): Analysis of the Soil Oscillation Law in the Example of the Open Pit „Kovilovača“, Podzemni radovi No.16, pp. 47-56, December 2008, RGF Belgrade. [10] Savić M., (2000): Blasting at the Open ...Suzana Lutovac, Nebojša Vidanović, Čedomir Beljić, Zoran Gligorić. "Soil oscillation law parameter determination with the application of Lagrange’s theorem at “Kovilovača“ open pit" in Mining and Metallurgy Engineering Bor, Bor : Mining and Metallurgy Institute Bor (2015). https://doi.org/10.5937/MMEB1503053L
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Blast-induced damage and its impact on structural stability of underground excavations
Slavko Torbica, Veljko Lapcevic (2017)Slavko Torbica, Veljko Lapcevic. "Blast-induced damage and its impact on structural stability of underground excavations" in Podzemni radovi (2017). https://doi.org/10.5937/podrad1629033T
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Optimizacija i planiranje površinskih kopova stohastičkim modelima
Dejan R. Stevanović (2015-05-29)Savremeno rudarstvo izloženo je stalnom trendu pogoršanja uslova poslovanja.Mogućnost ostvarenja ekonomskih i drugih ciljeva rudarskog projektakompromitovana je stalnim pogoršanjem kvaliteta ležišta na kojima se vršieksploatacija, kao i značajnoj dozi neizvesnosti povezane sa geološkim,ekonomskim i tehničkim parametrima proizvodnje. U ovako kompleksnimuslovima poslovanja, matematički modeli sposobni da odgovore značajnimizazovima, odnosno ponude optimalna rešenja kojima se garantuje maksimalnoispunjenje projektovanih ciljeva, nameću se kao neophodnost.Trenutni, konvencionalni pristup optimizaciji i planiranju površinskih kopovazasniva se na algoritmima, razvijenim sredinom prošlog veka čije je opšteobeležje deterministički ...površinski kop, planiranje, optimizacija, stohastički modeli, kontrola kvaliteta uglja, neizvesnost.... 241 Rozman, L.I.,1998, Measuring and managing the risk in resource and reserves. Ore Reserves and Finance Seminar. AusIMM, Sydney Sabour S. A. and Dimitrakopoulos R., 2011, Incorporating geological and market uncertainties and operational flexibility into open pit mine design, Journal of Mining Science ...
... reduce variation?, Chemometrics and Intelligent Laboratory Systems, vol. 74, no. 1, pp. 121–133 Roman, R.J., 1974, The role of time value of money in determining an open pit mining sequence and pit limits, 12th Symposium on the Application of Computers and Operation Research in the Mineral Industries (APCOM) ...
... equilibrium and numerical modelling approaches to risk analysis for open pit mining, The Journal of The Southern African Institute of Mining and Metallurgy, vol. 110, str. 571-579 Consuegra F.R.A., 2010, Exploring stochastic optimization in open pit mine design, Department of Mining and Materials E ...Dejan R. Stevanović. "Optimizacija i planiranje površinskih kopova stohastičkim modelima" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-05-29)
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Optimizacija i planiranje površinskih kopova stohastičkim modelima
Dejan R. Stevanović (2015-05-29)Savremeno rudarstvo izloženo je stalnom trendu pogoršanja uslova poslovanja.Mogućnost ostvarenja ekonomskih i drugih ciljeva rudarskog projektakompromitovana je stalnim pogoršanjem kvaliteta ležišta na kojima se vršieksploatacija, kao i značajnoj dozi neizvesnosti povezane sa geološkim,ekonomskim i tehničkim parametrima proizvodnje. U ovako kompleksnimuslovima poslovanja, matematički modeli sposobni da odgovore značajnimizazovima, odnosno ponude optimalna rešenja kojima se garantuje maksimalnoispunjenje projektovanih ciljeva, nameću se kao neophodnost.Trenutni, konvencionalni pristup optimizaciji i planiranju površinskih kopovazasniva se na algoritmima, razvijenim sredinom prošlog veka čije je opšteobeležje deterministički ...površinski kop, planiranje, optimizacija, stohastički modeli, kontrola kvaliteta uglja, neizvesnost.... 241 Rozman, L.I.,1998, Measuring and managing the risk in resource and reserves. Ore Reserves and Finance Seminar. AusIMM, Sydney Sabour S. A. and Dimitrakopoulos R., 2011, Incorporating geological and market uncertainties and operational flexibility into open pit mine design, Journal of Mining Science ...
... reduce variation?, Chemometrics and Intelligent Laboratory Systems, vol. 74, no. 1, pp. 121–133 Roman, R.J., 1974, The role of time value of money in determining an open pit mining sequence and pit limits, 12th Symposium on the Application of Computers and Operation Research in the Mineral Industries (APCOM) ...
... equilibrium and numerical modelling approaches to risk analysis for open pit mining, The Journal of The Southern African Institute of Mining and Metallurgy, vol. 110, str. 571-579 Consuegra F.R.A., 2010, Exploring stochastic optimization in open pit mine design, Department of Mining and Materials E ...Dejan R. Stevanović. "Optimizacija i planiranje površinskih kopova stohastičkim modelima" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2015-05-29)
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Аnaliza mogućnosti povećanja nagiba završne kosine površinskog kopa “Podbraćan”
Vladimir Čebašek, Veljko Rupar (2018)Eksploatacijom boksita iz ležišta "Podbraćan" formiran je površinski kop sa maksimalnom visinom zavšne kosine od 280 m. Redovnom kontrolom stabilnosti trenutnog stanja kosina površinskog kopa utvrđeno je da faktor sigurnosti iznosi Fs = 1.71 – 1.85, a što je ukazalo da postoji mogućnost povećanja nagiba kosine. U radu je prikazan postupak analize mogućnosti povećanja nagiba završne kosine površinskog kopa "Podbraćan".Vladimir Čebašek, Veljko Rupar. "Аnaliza mogućnosti povećanja nagiba završne kosine površinskog kopa “Podbraćan”" in Mining and Geology Today, II international symposium, Belgrade, 04 - 05.12.2018., Rudarski institut, Balkanska akademija nauka, Akademija inženjerskih nauka Srbije (2018). https://doi.org/10.25075/SI.2018.17
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Environmental Noise Impact Assessment for Large-Scale Surface Mining Operations in Serbia
Noise emissions are a significant environmental impact caused by the mining industry in all technological phases of surface mining, mineral processing, and waste disposal. This paper presents the role of noise impact assessment and control in large-scale surface mining operations. Mine planning develops the model of mining operations, ore excavation, and waste dumping scheduling and processing rates, including spatial distribution of mining activities. Such a level of mine planning requires an environmental impact assessment study. This can be achieved ...Uros Pantelic, Petar Lilic, Aleksandar Cvjetic, Nikola Lilic. "Environmental Noise Impact Assessment for Large-Scale Surface Mining Operations in Serbia" in Sustainability, MDPI AG (2023). https://doi.org/10.3390/su15031798
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An intelligent hybrid system for surface coal mine safety analysis
Nikola Lilić, Ivan Obradović, Aleksandar Cvjetić. "An intelligent hybrid system for surface coal mine safety analysis" in Engineering Applications of Artificial Intelligence (2010)
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A Fuzzy Expert Model for Availability Evaluation
Each technical system within itself carries the great potential danger of possible occurrence of failure and damages. Mining machines are characteristic by great investment values, costs of unplanned shutdowns, complex working conditions, and environment and workers hazards. Systematic monitoring of the mining machinery is of great importance for the management of the mining companies. Availability is the overall concept of quality of service. Includes information regard to operating state, an idle state, a standby state and shut down. The ...... machine Liebherr in terms of R, with grades "good" in extent of 40% and “average” in extent of 60%; M as "average" in extent of 100% and S as "adequate" in extent of 100%; machine Dressta as "average" in all terms and Caterpillar as "good" in terms of R and S and "excellent" in term of M. This can ...
... described an expert’s system for availability evaluation and model for availability calculation based to experts’ opinions and judgments. The availability for three different bulldozers that operate to three different open pit mines in Serbia was evaluated using the proposed expert model. Machines ...
... compared individually (selected machine at selected open pit mine), but also integral comparisons between machines and open pit mines were made. Obtain results should be used for the improvement of maintenance and logistic support at open pit mines, as well as an important parameter during the further ...Dejan Ivezić, Miloš Tanasijević, Predrag Jovančić, Radiša Đurić. "A Fuzzy Expert Model for Availability Evaluation" in Proceedings of the 2019 20th International Carpathian Control Conference (ICCC), AGH University of Science and Technology, Kraków - Wieliczka, Poland (2019)
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Implementataion of the modern technologies in order to control the drilling an blasting works
U ovom radu prikazanе su mogućnosti primene savremenih tehnologija u oblasti bušenja i miniranja pri površinskoj eksploataciji ležišta mineralnih sirovina, problemi koji se javljaju prilikom izvođenja radova, kao i moguća rešenja i prednosti primene ovih tehnologija.Miljan Gomilanović, Stefan Milanović, Nikola Stanić, Aleksandar Doderović, Nikola Simić. "Implementataion of the modern technologies in order to control the drilling an blasting works" in Copper, Bor : Institut za rudarstvo i metalurgiju Bor (2018)
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Estimating extent and properties of blast-damaged zone around underground excavations
Slavko Torbica, Veljko Lapčević (2015)Slavko Torbica, Veljko Lapčević. "Estimating extent and properties of blast-damaged zone around underground excavations" in Rem: Revista Escola de Minas, FapUNIFESP (SciELO) (2015). https://doi.org/10.1590/0370-44672015680062
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Quantitative landslide risk assessment in the city of Tuzla
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 – ...... underground and open pit mining, which has a long tradition in Tuzla. However, the main motive for considering this case study lies in severe landslidng episode triggered during the heavy rainstorm in mid-May 2014. The landslide inventory was compiled by a combination of historic and post-2014 field ...
... : overlapping Vulnerability and Element at risk maps; normalizing to 0-1 range. 3 STUDY AREA The City of Tuzla in BiH spreads over approximately 294 km 2 of mostly rugged and steep hilly terrain (Fig. 2). The city is known for its underground and open pit mining tradition, but also suffers ...
... dataset was nominal, just as in the case of engineering geological units, so the same 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. ...Miloš Marjanović, Biljana Abolmasov, Cvjetko Sandić, Miralem Mulać, Petar Begović. "Quantitative landslide risk assessment in the city of Tuzla" in SCG-Xiii International Symposium on Landslides. Cartagena, Colombia- February 22-26, 2021, International Society for Soil Mechanics and Geotechnical Engineering (2021)