Претрага
80 items
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A model for estimation of stress-dependent deformation modulus of rock mass
Slavko Torbica, Veljko Lapčević (2019)Slavko Torbica, Veljko Lapčević. "A model for estimation of stress-dependent deformation modulus of rock mass" in International Journal of Mining and Geo-Engineering (2019). https://doi.org/10.22059/IJMGE.2018.255295.594729
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Sensitivity analysis of rock mass parameters estimate influence on decline support design using NATM
Slavko Torbica, Veljko Lapčević, Wang Gang, Nemanja Đokić, Miodrag Duranović. "Sensitivity analysis of rock mass parameters estimate influence on decline support design using NATM" in Podzemni radovi (2019). https://doi.org/10.5937/PodRad1934027T
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Model for estimation of stress field in the earth's crust
Slavko Torbica, Veljko Lapčević (2016)Slavko Torbica, Veljko Lapčević. "Model for estimation of stress field in the earth's crust" in Podzemni radovi (2016). https://doi.org/10.5937/podrad1628009T
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Simpson's rule application for experimental determining parameters of rock mass oscillation equation at limestone
By its form, the use of explosives has a destructive character. However, energy of chemical explosives is tamed and perfected in many effects, so that is developed a series of activities which work is unthinkable without the use of explosives. In mining industry, explosives are most commonly used for exploitation in hard rock mass. Thereby, large amounts of explosives can be used, especially for mass blasting. The application of large amounts of explosives gives auspicious techno – economic indicators ...working environment, seismic effects of blasting, oscillation velocity, rock mass oscillation equation, Simpson’s ruleSuzana Lutovac, Miloš Gligorić, Jelena Majstorović, Branko Gluščević, Luka Crnogorac. "Simpson's rule application for experimental determining parameters of rock mass oscillation equation at limestone" in 8th International Conference Mining and Environmental Protection, University of Belgrade, Faculty of Mining and Geology, Belgrade, Serbia (2021)
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Application of Expansive Mortars for the Formation of Artificial Screens During Blasting in Urban Areas
During construction of buildings in urban areas, sometimes there is a need to blast solid rock mass in the immediate vicinity of the surrounding buildings. In that case, the aim is not only to increase the efficiency of blasting, but also to reduce harmful effects of ground vibration induced by blasting. At the same time, it is very important to protect the buildings located in the safe zone from the blast site as well as remaining rock mass around ...Milanka Negovanović, Lazar Kričak, Stefan Milanović, Nikola Simić, Jelena Majstorović. "Application of Expansive Mortars for the Formation of Artificial Screens During Blasting in Urban Areas" in 31st International Conference Ecological Truth & Environmental Research-EcoTER'24, Sokobanja, 18-21. jun 2024, Bor : Tehnički fakultet u Boru (2024)
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Rock Mass Quality Rating Based on the Multi-Criteria Grey Metric Space
Miloš Gligorić, Zoran Gligorić, Saša Jovanović, Suzana Lutovac, Dragan Pamučar, Ivan Janković (2024)klasifikacija stenske mase, višekriterijumska klasifikacija, klasa, metrički prostor, intervalni sivi brojeviMiloš Gligorić, Zoran Gligorić, Saša Jovanović, Suzana Lutovac, Dragan Pamučar, Ivan Janković. "Rock Mass Quality Rating Based on the Multi-Criteria Grey Metric Space" in Computer Modeling in Engineering & Sciences, Tech Science Press (2024). https://doi.org/10.32604/cmes.2024.050898
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Дефинисање механичких својстава алтерисаног стенског материјала лабораторијским методама
Вељко М. Рупар (2022)Основни циљ овог рада је да представи методологију одређивања механичких својстава хетерогеног стенског масива који изграђују дацит (Д) и алтерисани дацит (АД), где је уочена је зона постепеног преласка од алтерисаног дацита до дацита. Механичка својства стенског масива у тој зони утврђена су на основу лабораторијских испитивања једноосне и троосне чврстоће на притисак стенског материјала композитних узорака. Композитни узорци су се састојали од дискова стенског материјала, при чему је висина дискова h дефинисала различити процентуални удео појединог стенског материјала, ...дацит, алтерисани дацит, једноосна чврстоћа на притисак, троосна чврстоћа на притисак, композитни узорци, механика стена, стабилност косинаВељко М. Рупар. Дефинисање механичких својстава алтерисаног стенског материјала лабораторијским методама, Београд : [В. Рупар], 2022
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Split-Desktop software for the analysis of fragment size distribution of blasted rock mass
Milanka Negovanović, Lazar Kričak, Stefan Milanović, Jovan Marković, Nikola Simić, Snežana Ignjatović (2023)Drobljenje stena je najvažniji pokazatelj u proceni efekata miniranja pri proizvodnom miniranju u površinskoj eksploataciji. Stepen drobljenja stena ima veliki uticaj na efikasnost daljih operacija utovara, transporta, drobljenja i mlevenja. Optimalno drobljenje stena pri proizvodnom miniranju utiče na smanjenje ukupnih troškova proizvodnje. Stoga je pouzdana procena veličine drobljenja odminirane stenske mase veoma važno pitanje, ne samo u operacijama miniranja, već i u rudarskoj proizvodnji. Za predviđanje distribucije veličine komada odminirane stenske mase postoje različiti empirijski modeli. KUZ-RAM model omogućava ...Milanka Negovanović, Lazar Kričak, Stefan Milanović, Jovan Marković, Nikola Simić, Snežana Ignjatović. "Split-Desktop software for the analysis of fragment size distribution of blasted rock mass" in 9th International Conference Mining and environmental protection, Sokobanja, Serbia, 24 – 27. May 2023, Belgrade : University of Belgrade, Faculty of Mining and Geology (2023)
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Development and Application of Methodology for Quantification of Overbreaks in Hard Rock Tunnel Construction
A methodology for determining overbreaks in hard rock tunnel construction using the drill-and-blast technique is presented in this paper. The methodology was developed for and applied to crystalline medium- to thick-bedded limestone, but it can be used in any jointed hard rock mass. Overbreaks are inevitable in hard rock tunnelling in a low-confinement environment (shallow tunnels up to several hundred meters deep) as a result of wedge failures along unfavourably oriented discontinuities caused by blasting. It is widely accepted ...hard rock, drill-and-blast, geological overbreak, technological overbreak, stability criterion, discontinuity orientation, tunnel constructionZoran Berisavljević, Dragoljub Bajić, Vojkan Jovičić. "Development and Application of Methodology for Quantification of Overbreaks in Hard Rock Tunnel Construction" in Applied Sciences, MDPI (2023). https://doi.org/10.3390/app13031379
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Models of Determining the Parameters of Rock Mass Oscillation Equation with Experimental and Mass Blastings
Suzana Lutovac, Branko Gluščević, Rade Tokalić, Jelena Majstorović, Čedomir Beljić. "Models of Determining the Parameters of Rock Mass Oscillation Equation with Experimental and Mass Blastings" in Minerals, Basel : MDPI AG, Basel, Switzerland (2018). https://doi.org/10.3390/min8020070
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Analiza seizmičkog dejstva eksplozije pri miniranju na primeru izrade tunela Golubac kod Golupca
Savremeno rudarstvo, a pogotovo masovna eksploatacija metaličnih ležišta, ne bi se mogla zamisliti bez primene eksploziva. Rudarstvo je privredna grana, gde su eksplozivi našli najširu primenu za eksploataciju čvrstih mineralnih sirovina. Primena energije eksploziva dovodi do poboljšanja tehničkoekonomskih pokazatelja pri eksploataciji mineralnih sirovina, ali i do pojave negativnih efekata koji prate radove na miniranju. Eksplozivni materijali u rudarstvu, geologiji i drugim delatnostima, svojim dejstvom narušavaju prirodnu sredinu u vidu drobljenja, razbacivanja komada stene, vazdušnih udara, pojave sezmičkih efekata, pojave ...Suzana Lutovac, Miloš Gligorić, Jelena Majstorović, Luka Crnogorac. "Analiza seizmičkog dejstva eksplozije pri miniranju na primeru izrade tunela Golubac kod Golupca" in XV Međunarodna konferencija OMC 2022, Zlatibor, 12-15. oktobar 2022., Jugoslovenski komitet za površinsku eksploataciju (2022)
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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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Development of dynamic phenomena in the rock mass
Ljubojev Milenko, Popović Ratomir, Rakić Dragoslav. "Development of dynamic phenomena in the rock mass" in Mining Enginerering = Rudarski radovi no. 1, Bor, Srbija:Mining and metallurgy institute Bor (2011): 109-116
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Accuracy Increasing Methods of Belt Weigher Mass Measurement
Aleksandrović Snežana, Damnjanović Vesna, Jeftenić Ilija. "Accuracy Increasing Methods of Belt Weigher Mass Measurement" in Journal of the Technical University of Gabrovo 57, Gabrovo, Bulgaria:Technical University of Gabrovo (2018): 47-50
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Numerical investigation of caved rock mass friction and fragmentation change influence on gravity flow formation in sublevel caving
Lapčević Veljko, Torbica Slavko (2017)Lapčević Veljko, Torbica Slavko. "Numerical investigation of caved rock mass friction and fragmentation change influence on gravity flow formation in sublevel caving" in Minerals 7 no. 4, :MDPI (2017): 56. https://doi.org/https://doi.org/10.3390/min704
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Influence of rock mass blastability on explosive energy distribution
Mitrović Stojan, Kričak Lazar, Negovanović Milanka, Janković Ivan, Zeković Dario. "Influence of rock mass blastability on explosive energy distribution" in Proceedings of the 9th International Symposium on Rock Fragmentation by Blasting, :Taylor & Francis/CRC Press (2009): 249-255
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Application of polymer composites for stabilization of degraded rock mass in mining
Trifunović Prvoslav, Tokalić Rade, Ganić Aleksandar. "Application of polymer composites for stabilization of degraded rock mass in mining" in Časopis Underground Mining Engineering/Podzemni radovi no. 22, Beograd:Rudarsko-geološki fakultet, Beograd (2013): 23-31
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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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Jointed rock mass characterization using field and point-cloud data
Marjanović Miloš, Pejić Marko, Đurić Uroš, Krušić Jelka, Abolmasov Biljana. "Jointed rock mass characterization using field and point-cloud data" in Geomechanics and Geodynamics of Rock Masses. Proceedings of the 2018 European Rock Mechanics Symposium. 1, :CRC Press, Taylor and Francis Group (2018): 319-324
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Estimation of the explosive mass based on the surface explosion crater on asphalt
Bjelovuk Ivana, Slobodan Jaramaz, Elek Predrag, Micković Dejan, Kričak Lazar. "Estimation of the explosive mass based on the surface explosion crater on asphalt" in Tehnički vjesnik - Technical Gazette 22 no. 1, Slavonski Brod, Hrvatska:Znanstveno-stručni časopis tehničkih fakulteta Sveučilišta u Osijeku (2015): Prihvaćen. https://doi.org/2203-23-TV-20130928113332