Претрага
1387 items
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Influence of DEM resolution on numerical modelling of debris flows in RAMMS - Selanac case study
Debris flows induced by intensive rainfall represent very hazardous phenomena in many parts of the World. Methods for prediction of runout distance of flow like mass movements are different and depending on the input data, rheology, and available or appropriate numerical solution. However, sometimes it is not easy to obtain pre event and post event high-resolution data in the rural or mountainous area. Thus, the topology of terrain is the most important input parameter for the every real case ...... rock avalanches and debris flows (Schraml, 2015; Sosio, 2007; Frank, 2017). As input, three quantities must be specified to perform a numerical calculation: (1) a digital elevation model (DEM), (2) source zone area and (3) model friction parameters. Pre- event DEM resolution characterizes the natural ...
... initial parameters and deposition zones. The Selanac debris flow was triggered after extreme precipitation of about 230 mm over a period of 72 h in May 2014.The Selanac is a complex debris flow, with large depth in source zone (30m), and length of about 1.5km. First results were made using 30x30m DEM ...
... solid phase (the term containing / which extensively controls deceleration behaviour of a more slowly moving flow. The resistance of the viscous or turbulent fluid phase (the term including / prevails for a more quickly moving flow (Bartelt et al., 2013). Figure 1 The topography Z(X, Y) is given ...Jelka Krušić, Biljana Abolmasov, Mileva Samardžić Petrović. "Influence of DEM resolution on numerical modelling of debris flows in RAMMS - Selanac case study" in 4th Regional Symposium on Landslides in the Adriatic Balkan Region, 23-25 October 2019, Sarajevo, Bosnia and Herzegovina, Geotechnical Society of Bosnia and Herzegovina (2019). https://doi.org/ 10.35123/ReSyLAB_2019
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Srbija u OneGeology Europe
Геолошки завод Србије као носилац Пројекта ОneGeologyEurope заједно са Рударско геолошким факултетом и Министарством за природне ресурсе, рударство и просторно планирање су се укључили у међународни Пројекат OneGeology Europe у мају 2013. године у већ поодмаклој фази израде Пројекта. До краја 2013. године испунили су завршене активности које треба да доведу до пуноправног укључења у Пројекат чиме је Република Србија нашла своје место на Геолошкој карти Европе 1:1М. Геолошка карта Србије 1:1М представља компилациону односно поједностављену верзију ОГК 1:500 ...... infrastructure. А multilingual metainformation system gives access to information about relevant data from 26 European countries, including a harmonized geological data presented on map at a scale 1:1M. Standardized map services were created to provide access to the maps through a new geoportal. ...
... infrastructure. А multilingual metainformation system gives access to information about relevant data from 26 European countries, including a harmonized geological data presented on map at a scale 1:1M. Standardized map services were created to provide access to the maps through a new geoportal. The ...
... Geology designates a key dataset that is needed for the Groundwater and Soils Directives, GMES and GEOSS. The aim of the OneGeology Europe Project (2008-2010) was to make geological maps at a scale 1:1M from Europe discoverable and accessible, make them available under a common data license, and ...Danka Blagojević, Ranka Stanković, Petar Stejić, Velizar Nikolić. "Srbija u OneGeology Europe" in Zapisnici Srpskog geološkog društva za 2013. godinu, Beograd : Srpsko geološko društvo (2014)
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Influence of Initial Treatment on the Survival and Recurrence in Patients With Differentiated Thyroid Microcarcinoma
... noma: a study of 535 cases observed in a 50-year period. Surgery. 1992;112:1139Y1147. 16. Hay ID, Hutchinson ME, Gonzalez-Losada T, et al. Papillary thyroid micro- carcinoma: a study of 900 cases observed in a 60-year period. Surgery. 2008; 144:980Y987. 17. Pelizzo MR, Boschin IM, Toniato A, et al ...
... receive RAI. Although it is not likely that a randomized trial can be performed, an appropriate design of such a trial should define the criteria for the surgical approach to be used as well as a staging/risk system for patient classification and to include a precise histological classifica- tion because ...
... 4% and 9.3% during the 5 years after the initial treatment. A possible explanation of the high recurrence rate may be that our study population had their primary surgery at hospitals throughout the country performed with a variety FIGURE 2. A, Probability of DSS. B, Influence of recurrence on DSS; - - ...Jasna Mihailović, Ljubomir Stefanović, Ranka Stanković. "Influence of Initial Treatment on the Survival and Recurrence in Patients With Differentiated Thyroid Microcarcinoma" in Clinical Nuclear Medicine, Lippincott Williams & Wilkins (2013). https://doi.org/10.1097/RLU.0b013e3182872ed2
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Петрологија црвених пешчара источне Србијe
Андреј Марковић (2024)У источној Србији формација црвених пешчара има велико распрострањење и улази у састав многих планина овог дела наше земље. Формацију чине кластичне стене интензивно црвене боје псамитске, ређе псамитско-псефитске структуре и алевритске структуре. Ове стене леже трансгресивно преко старијих пермо-карбонских и карбонских стена, док навише прелазе у доњотријаске седименте. Формација црвених пешчара захвата два појаса унутар Карпато-балканида – унутрашњи и средишњи део. Узорци анализирани у овом раду део су средишњег појаса. Тема завршног рада је петрологија црвених пешчара источне ...... PAJL | _ —| y \PARAĆIN 69 a= RIOXAPEBAT — } š izvor HOTEL _ = — / ii Sv.Petka 'KOLIBA" d —. -—;__ ~ K, jutnica - – e= — MNJ -, VOGOXEN Me / - Š d ) J —jječar ·. o » u ~ . KPATyJEBAL N • E Z Caee – o e ž PAREBO. - e e a j \Niš -a KPyUJEBAU — Ć — A | OB EO -A NI ~ e -) u ap KGcCeCXA ...
... Badzr==== ·. NaH.——~ o PFošel = | a | as e= — NB ———> ,, - |l ·......_._..... POIJE PR E ——— i [7 “ ” “ u o || ) liti |. N_ e || a es a .:ma - :] [= Cumika 2. Teonmomia Kapra acnarHBaHor no/ipyuja – npepabeHo npea OLK 1:100 000 mucr IIapahaH, (Jlonuh u np., 1978) a mcr BojbeBau (BecenaHoBuh u np ...
... pajla; • a 3aBDpHIHH pa y HeMMHH HH y JeJIOBHMa Huje OMO HpenmoxeH 3a CrMIIAMĐ»e Npyre JUHIITIOME Ha CTy)HjCKHM HiporpaMHMMa Pynapcko-reomomrKor (pakynreTa HMH Ipyrax BHCOKOIIIKOJICKHX yCTaHOB2a; • a cy pe3yjrraTrH KODpeČKTHO HaBECJICHH H • a HHCaM KpHHO/Ha ayTOpcKa rpaBa H KOpHcTHoO/a HHTeJTeKTyaJIHy ...Андреј Марковић. Петрологија црвених пешчара источне Србијe, 2024
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Life Cycle Assessment of Individual Wood Biomass Heating Systems in Households
The use of solid fuels (wood biomass and coal) for heating of households continues to be common practice within European countries. Solid fuel combustion in households contributes more than 46% to total emissions of fine particulate matter. In this study, a life-cycle assessment (LCA) of firewood-based and pellet-based heating systems is performed. These two systems represent two different types of individual wood biomass heating systems. In the case of the firewood-based heating systems, it is analyzed a typical stove ...... over 54 pellet production facilities were actively operating [7]. To obtain a comprehensive analysis of the environmental impact of heating systems (HSs) based on wood biomass, a complete lifecycle process that involves a holistic cradle-to-grave assessment approach is recommended [8]. The life ...
... systematically analyzes pollution and resource connected to delivering a specific product or service. As such, the LCA identifies environmental hot spots and enables a comparison of different energy sources and HSs for households [11]. A systemized framework for conducting LCAs was released by the Int ...
... Ivezić. Marija Živković 430 However, since LCA considers the environmental aspects and the potential impacts of a product or a service system throughout its life, it becomes a very useful method for researching studies related to the problem of sustainable development, cleaner production, energy ...Boban Pavlović, Dejan Ivezić, Marija Živković. "Life Cycle Assessment of Individual Wood Biomass Heating Systems in Households" in 5th International Scientific Conference ”Conference on Mechanical Engineering Technologies and Applications” COMETa2020, East Sarajevo, 2020, University of East Sarajevo, Faculty of Mechanical Engineering East Sarajevo (2020)
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Overcoming the Low Oral Bioavailability of Deuterated Pyrazoloquinolinone Ligand DK-I-60-3 by Nanonization: A Knowledge-Based Approach
Jelena R. Mitrović , Branka Divović-Matović, Daniel E. Knutson, Jelena B. Ðoković, Aleksandar Kremenović, Vladimir D. Dobričić, Danijela V. Randjelović, Ivana Pantelić, James M. Cook, Miroslav M. Savić, Snežana D. Savić (2021)Poor water solubility of new chemical entities is considered as one of the main obstacles in drug development, as it usually leads to low bioavailability after administration. To overcome these problems, the selection of the appropriate formulation technology needs to be based on the physicochemical properties of the drug and introduced in the early stages of drug research. One example of the new potential drug substance with poor solubility is DK-I-60-3, deuterated pyrazoloquinolinone, designed for the treatment of various neuropsychiatric ...... For this analysis, around 2 mg of the unprocessed substance was heated to 330 ◦C, with a heating rate of 20 ◦C/min, then cooled to 25 ◦C with a cooling rate of 40 ◦C/min and finally heated again to 330 ◦C with a heating rate of 10 ◦C/min. The measurements were conducted under nitrogen flow (50 mL/min) ...
... Fisher Scientific Inc., Madison, WI, USA), coupled to a triple quadrupole mass spectrometer TSQ Quantum Access MAX (Thermo Fisher Scientific Inc., Madison, WI, USA) with a heated electrospray ionization (HESI) interface. The samples were in- jected in a volume of 10 µL. The separation was performed on the ...
... ; Knutson, D.E.; Ðoković, J.B.; Kremenović, A.; Dobričić, V.D.; Randjelović, D.V.; Pantelić, I.; Cook, J.M.; Savić, M.M.; et al. Overcoming the Low Oral Bioavailability of Deuterated Pyrazoloquinolinone Ligand DK-I-60-3 by Nanonization: A Knowledge-Based Approach. Pharmaceutics 2021, ...Jelena R. Mitrović , Branka Divović-Matović, Daniel E. Knutson, Jelena B. Ðoković, Aleksandar Kremenović, Vladimir D. Dobričić, Danijela V. Randjelović, Ivana Pantelić, James M. Cook, Miroslav M. Savić, Snežana D. Savić. "Overcoming the Low Oral Bioavailability of Deuterated Pyrazoloquinolinone Ligand DK-I-60-3 by Nanonization: A Knowledge-Based Approach" in Pharmaceutics, MDPI, Basel, Switzerland (2021). https://doi.org/10.3390/pharmaceutics13081188
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Understanding partitioning of deformation in highly arcuate orogenic systems: Inferences from the evolution of the Serbian Carpathians
Nemanja Krstekanić, Liviu Matenco, Marinko Toljić, Oleg Mandić, Uroš Stojadinović, Ernst Willingshofer (2020)... tensors (Figs. A.1, A.2 and Table A.1 of the Supplementary Appendix) by following a standard inversion approach with confidence criterion (e.g., Angelier, 1994; Angelier and Goguel, 1979; Angelier and Mechler, 1977; Delvaux and Sperner, 2003 and references therein) and allowing a slip tolerance of ...
... 1309–1318. Antić, M.D., Kounov, A., Trivić, B., Wetzel, A., Peytcheva, I., von Quadt, A., 2016a. Alpine thermal events in the central Serbo–Macedonian Massif (southeastern Serbia). Int. J. Earth Sci. 105, 1485–1505. Antić, M., Peytcheva, I., von Quadt, A., Kounov, A., Trivić, B., Serafimovski, T ...
... Tisza–Dacia plate. Glob. Planet. Chang. 103, 82–98. De Vicente, G., Regas, R., Muñoz-Martín, A., Van Wees, J.D., Casas-Sáinz, A., Sopeña, A., Sánchez-Moya, P., Arche, A., López-Gómez, J., Oláiz, A., Fernandez Lozano, J., 2009. Oblique strain partitioning and transpression on an inverted rift: ...Nemanja Krstekanić, Liviu Matenco, Marinko Toljić, Oleg Mandić, Uroš Stojadinović, Ernst Willingshofer. "Understanding partitioning of deformation in highly arcuate orogenic systems: Inferences from the evolution of the Serbian Carpathians" in Global and Planetary Change, Elsevier BV (2020). https://doi.org/10.1016/j.gloplacha.2020.103361
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Determination of Mechanical Properties of Altered Dacite by Laboratory Methods
This paper presents a methodology for determining the uniaxial and triaxial compressive strength of heterogeneous material composed of dacite (D) and altered dacite (AD). A zone of gradual transition from altered dacite to dacite was observed in the rock mass. The mechanical properties of the rock material in that zone were determined by laboratory tests of composite samples that consisted of rock material discs. However, the functional dependence on the strength parameter alteration of the rock material (UCS, intact ...... were performed on a hydraulic compression testing frame with sufficient pressure capacity and capable of applying a force perpendicular to the specimen base. UCS is calculated according to the following equation: σci UCS = P/A (1) where: P—maximum force at the moment of failure, A—specimen’s cross-section ...
... the composite sample equals the strength was a. of the uniform AD sample was at a percentage of 30% AD. Comparison of the obtained exponential Citation: Rupar, V.; CebaSek, V.; . . . . Milisavljevié, V; Stevanovié, D, equation with practical suggestions shows a good correspondence. The suggested methodology ...
... with a diameter of 54 mm with a ratio of height and diameter of 2:1 were formed. In total, 60 specimens were prepared for laboratory tests, 30 for UCS tests, and 30 specimens for triaxial tests (Figure 5). Minerals 2021, 11, 813 6 of 19 Figure 5. Composite specimens prepared for testing: (a) UCS ...Veljko Rupar, Vladimir Čebašek, Vladimir Milisavljević, Dejan Stevanović, Nikola Živanović. "Determination of Mechanical Properties of Altered Dacite by Laboratory Methods" in Minerals, MDPI AG (2021). https://doi.org/10.3390/min11080813
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Towards Sustainable Management of Transboundary Hungarian-Serbian Aquifer
Zoran Stevanović, Peter Kozák, Milojko Lazić, Janos Szanyi, Dušan Polomčić, Balazs Kovács, Jozsef Török, Saša Milanović, Bojan Hajdin, Petar Papić (2011)... [10]. 4.9.5 Conclusion For this proiect numerous activities were undertala local waterworlcs encluiry field survey and measurements, the establishment of a GW monitoring network, the creation of a GW initial database, common workshops and seminars for local capacity building, and wa ...
... Great Hungarian Basin) represents a geographicai and geological entity that spreads over the territory ofseveral countries. The central | ,,, il i *ti':i !l:i!lr::l llr,:ir',. 'lii l:l' : i::,;!l ritl ::lli;' ;:iiii li:i till: j l.,tt,:ii:l.i.r!:i:.i, ,,:t .,a::.: ::::iia:); t: ""#d? ,& x' ...
... 1). The Pannonian basin is a typical lowland, whose height above sea level is mainly 70-720 m. The flat relief features various geoiogical structures, such as loess plateau, loess terraces and alluvial plains, and small depressions in between prevai[. The region has a moderate continental climate ...Zoran Stevanović, Peter Kozák, Milojko Lazić, Janos Szanyi, Dušan Polomčić, Balazs Kovács, Jozsef Török, Saša Milanović, Bojan Hajdin, Petar Papić. "Towards Sustainable Management of Transboundary Hungarian-Serbian Aquifer" in Transboundary Water Resources Management - A Multidisciplinary Approach, Weinheim, Germany : Wiley-VCH (2011): 143-149
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Примена нумеричких метода у моделовању тецишта са освртом на различите реолошке услове
Јелка Крушић (2023)Тецишта су комплексне појаве нестабилности које захтјевају истраживања и испитивањакоја до сада нису рађена код нас у области геотехнике. По механизму, начину активирањаи понашању покренутог материјала се знатно разликују од клизишта. Циљ оведисертације је била примјена нумеричких модела пропагације тецишта на примјеру двијепојаве које су се десиле у Србији као посљедица дјеловања циклона Тамара. Детаљноистраживање тецишта подразумијева теренско картирање, теренска истраживања илабораторијска испитивања одабраних узорака са терена. Од теренских истраживања напримјеру тецишта Селанац урађена су геофизичка истраживања Електричнетомографије док ...тециште, нумерички модели пропагације, циклон Тамара, геофизичка истраживања, лабораторијска испитивања, Селанац, Лева река, RAMMS, SPH geoflow, реолошки моделЈелка Крушић. Примена нумеричких метода у моделовању тецишта са освртом на различите реолошке услове, Београд : Универзитет у Београду, Рударско - геолошки факултет, 2023
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Mesozoic carbonate rocks in Serbia used as dimension stone
Vesna Matović, Tijana Vojnović Ćalić (2016)The building industry in Serbia uses, to a great extent, imported natural stone for architectural purposes. The significance of local deposits, particularly limestones, is not adequately perceived despite the country’s abundance of these valuable resources. Therefore, this study focuses on Serbia’s Mesozoic carbonate rocks, specifically on the deposits of four selected quarries: Klisura, Skrzut, Struganik, and Tisnica. The quality and prospects of the application of these limestones has not yet been the subject of a detailed, comprehensive investigation. Therefore, ...... SETIC _ 901 [4] _ | A _ _ L O V - CI-LS I c _ 0c Lid _ LCO _ _ 089% 1-LS 9 O c _ 8 8 _ St'0 _ _ 0997 - OL-LS i i A _ lr 43 _ x _ _ 0/9% 6-LS 9 1 1 [6 t OL 91 [55 ! O c 089% S-LS [ A _ 9c 9 _ 190 _ _ ...
... moderately high values of compressive strength. The scope of use is established according to a comparison of statically analysed engi- neering properties with the technical requirements neces- sary for a suitable reference of natural stone products. The V. Matović (b+) Department of Mineralogy ...
... 1990; Matović 2009; Gajić et al. 2011; Sudar et al. 2013), but a detailed investigation of quality in terms of the possibility of use has not yet been conducted. Although some indi- vidual limestone quarries have deposits of more than a million cubic metres, with the potential production capac- ...Vesna Matović, Tijana Vojnović Ćalić. "Mesozoic carbonate rocks in Serbia used as dimension stone" in Bulletin of Engineering Geology and the Environment, Springer Science and Business Media LLC (2016). https://doi.org/10.1007/s10064-015-0722-0
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A multi-criteria approach for assessing the potential of renewable energy sources for electricity generation: Case Serbia
When assessing the potential of renewable energy alternatives for electricity generation, it is necessary to implement a multi-perspective approach that includes economic, technical, environmental, and socio-political criteria. For the evaluation of criteria and alternatives, the Fuzzy Analytical Hierarchy Process (FAHP) method is applied. The obtained weights are formed according to the values of energy indicators and expert judgments. The use of a fuzzy numerical value scale for the assessment of expert judgments and energy indicators provides a more sensitive ...... and reservoir hydropower plants, over a wide range of ca- pacities. The most common type of hydroelectric power plant uses a dam on a river to store water in a reservoir. Some hydroelectric power plants just use a small canal to direct the river water through a turbine. • PV power plants — This includes ...
... decomposing the complex objective of the study into a hierarchical structure and for dealing with uncertainty in a decision-making process, FAHP appeared to be a useful tool. FAHP combines the fuzzy theory and the AHP method. The AHP method structures a problem hierarchically, descending from an objective ...
... Belgrade, Serbia a r t i c l e i n f o Article history: Received 14 December 2020 Received in revised form 27 January 2021 Accepted 4 February 2021 Available online xxxx Keywords: Electricity generation Renewable energy sources Multi-criteria decision analysis Serbia a b s t r a c t When assessing ...Boban Pavlović, Dejan Ivezić, Marija Živković. "A multi-criteria approach for assessing the potential of renewable energy sources for electricity generation: Case Serbia" in Energy Reports, Elsevier BV (2021). https://doi.org/10.1016/j.egyr.2021.02.072
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Mineralogical study of clays from Dobrodo, Serbia, for use in ceramics
Maja Milošević, Predrag Dabić, Sabina Kovač, Lazar Kaluđerović, Mihovil Logar. "Mineralogical study of clays from Dobrodo, Serbia, for use in ceramics" in Clay Minerals, Mineralogical Society (2019). https://doi.org/10.1180/clm.2019.49
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Atmospheric exposure vs burying: influences on damage intensity of built-in kersantite in the monument of the Small Staircase (Belgrade, Serbia)
Proučavan je efekat „zatrpanog kamena“ na intenzitet procesa degradacije prisutnih na kersantitu koji je ugrađen u spomenik Malo stepenište. Istraživanja su vršena na uzorcima stene iz kamenoloma i na oštećenim kamenim blokovima ugrađenim u spomenik. Dok su neki delovi stepeništa bili pod zemljom 90 godina, većina kamenih elemenata je bila izložena različitim uslovima sredine i antropogenim uticajima. Urađeno je detaljno mapiranje trenutnog stanja spomenika kako bi se istražio uticaj “zatrpavanja” i kompleksne geometrije spomenika na tip propadanja i variranje ...Nevenka Novaković, Predrag Dabić, Vesna Matović. "Atmospheric exposure vs burying: influences on damage intensity of built-in kersantite in the monument of the Small Staircase (Belgrade, Serbia)" in Environmental Earth Sciences, Springer Science and Business Media LLC (2023). https://doi.org/10.1007/s12665-023-10794-6
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Strain partitioning along a curved strike-slip fault system during indentation: inferences from analogue modelling
Nemanja Krstekanić, Ernst Willingshofer, Taco Broerse, Liviu Matenco, Marinko Toljić, Uroš Stojadinović (2021)Nemanja Krstekanić, Ernst Willingshofer, Taco Broerse, Liviu Matenco, Marinko Toljić, Uroš Stojadinović. "Strain partitioning along a curved strike-slip fault system during indentation: inferences from analogue modelling" in GeoMod 2021, Doorn, the Netherlands, 19.-23.9.2021., Utrecht University (2021)
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Structural and geochronological constraints from the Drina-Ivanjica thrust sheet (Western Serbia): implications for the Cretaceous–Paleogene tectonics of the Internal Dinarides
Kristof Porkoláb, Szilvia Kövér, Zsolt Benkó, Gabor Héja, Melinda Fialowski, Balázs Soós, Nataša Gerzina Spajić, Nevenka Đerić, László Fodor (2019)Internal Dinarides, Drina-Ivanjica thrust sheet, Deformation history, K–Ar dating, Obduction, Structural analysis... Porkolab et al. a o LA D2 reverse faults” ~ a OO Verse faults 1000Em — — — – supposed D2 thrust — @ • outcrop location 900 E and label of outcrop 800 — 700 — | ~ 600] ~ – — – – – – –v — __ Fig. 4 Mesoscale Do deformation structures. For outcrop locations see Fig. 2a. a Southwest-verging ...
... 1). The vergence of D. thrusts and asym- metric folds indicates a top-SW tectonic transport direction in the NE part of the study area, but a top-NE tectonic transport direction in the SW part of the study area (Figs. 2, 7). A top-SW tectonic transport direction is in agreement with the prevailing ...
... (2008). A possible kinematic solution is shown by Fig. 7b suggesting that the D, nappe contact at the base of the Western Vardar ophiolites might have reactivated as a roof thrust during early Do back- thrusting: thus accommodating the displacement of the Southern Triassic. Such a roof thrust ...Kristof Porkoláb, Szilvia Kövér, Zsolt Benkó, Gabor Héja, Melinda Fialowski, Balázs Soós, Nataša Gerzina Spajić, Nevenka Đerić, László Fodor. "Structural and geochronological constraints from the Drina-Ivanjica thrust sheet (Western Serbia): implications for the Cretaceous–Paleogene tectonics of the Internal Dinarides" in Swiss Journal of Geosciences (2019)
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Proračun osnovnih mehanizama na rotornom bageru ShRs 1300 na PK Polje E
Luka Nikolić (2024)Površinska eksoloatacija ležišta mineralnih sirovina, a posebno uglja (lignita) vrši se primenom različitih rudarskih mašina. U zavisnosti od tipa ležišta, rudarsko-geoloških uslova, ekonomske analize i sl. koriste se sistemi sa kontinualnim ili diskontinualnim načinom rada.Kod kontinualnih sistema, primenjuju se kompleksne rudarske mašine kod kojih se proces odvija neprekidno odnosno bez ciklusa utovara, transporta i odlaganja i najčešće rade u sve tri smene. Rotorni bageri i bageri vedričari, transporteri sa gumenom trakom, odlagači ili deponijske mašine čine tkz BTO ili ...... aaaaaaaaaaaa a eeaeeaieaeaataaeaeakeakttee 4 2.2. Održavanje mehanizacije na otkopu Polje E..........aaaaaaaaaaaaaaaaaa a eaaaaaaaaaakatkteee 6 OPŠTE O ROTORNIM BAGERIMA ......aaaaaaaaaaaaa a aaatatatiaeeaaaattaiaeekkahatttatkeek 7 3.1. Razvoj i oblast primene.......aaaaaa a aaaaaaaaaaaaaaea a aaaaaa ...
... 12,5 m Brzina trake...............aaa... a a a d tddd0ı 0,42 m/s Prijemna traka (traka 2) Osno rastojanje bubnjeva............ dttt 57 m 41 Diplomski rad Univerzitet u Beogradu – Rudarsko-geološki fakultet Brzina trake...............aaa... a a d du ddu00oı 4,25 m/s Snaga motora....... ...
... . i tadoiccı 17m Brzina trake................a u a a i avnı 4,25 m/s Snaga motora..............o dtt tota ttt 2x200 KW Odložna traka (traka 4) Osno rastojanje bubnjeva..................... i tadoiccı 22 m Brzina trake...............aaa. . a a o dt0ı 4,25 m/s Snaga motora............. dd ...Luka Nikolić. Proračun osnovnih mehanizama na rotornom bageru ShRs 1300 na PK Polje E, 2024
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Модел померања терена услед утицаја рударских радова на основу радарских сателитских снимака
Зоран Гојковић (2023)Површински коп, као систем који обезбеђује енергетску стабилност или снабдевање сировинама које су од изузетне важности за привредни напредак, својим функционисањем утиче на околна насељена места. Међу бројним аспектима овог утицаја, може се издвојити издвојити и анализирати утицај вертикалних и хоризонталних померања која се јављају на површи терена. Мониторинг вертикалних и хоризонталних померања површи терена околних насељених места треба да има што бољу временску резолуцију (временски период између праћења деформација) како би се вертикална и хоризонтална померања контролисала и ...Зоран Гојковић. Модел померања терена услед утицаја рударских радова на основу радарских сателитских снимака, Београд : Универзитет у Београду, Рударко - геолошки факултет, 2023
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Numerical modeling of Selanac debris flow propagation using SPH code
The Selanac debris flow is a very huge event triggered after extreme rainfall caused by Cyclone Tamara activity in the Republic of Serbia in May 2014. The Selanac case study was already modelling in different programs using Voellmy rheology assumptions like RAMMS software. In this paper research are focusing particularly on the process of debris flowing from initiation zone to main deposition area using Geoflow SPH two-phase model considering frictional rheology law. Main rheological parameters are back-calculated using also ...... models are progressing nowadays and giving a wide range of possibilities. Some of the available approaches treat the heterogeneous and multiphase moving mass as a single-phase continuum. The others are considering two phases, solid and liquid, i.e. a granular skeleton with voids filled with either ...
... into a ‘pore pressure’ and an effective stress, and the mechanical behavior of the mixture can be described by a system of differential equations governing the dynamics of each of the phases as well as the coupling among them (Pastor et al, 2008). SPH (Smoothed Particle Hydrodynamics) is a mesh- ...
... transportation zone The Selanac debris flow is a complex flow type landslide phenomenon, firstly triggered as slide of huge initial block which is 30 m thick in the deepest part. Subsequently, it propagated as a debris flow process, with a long runout distance, including about 1 km long transportation ...Jelka Krušić, Biljana Abolmasov, Miloš Marjanović, Manuel Pastor, Saeid M. Tayyebi . "Numerical modeling of Selanac debris flow propagation using SPH code" in SCG-XIII International Symposium on Landslides. Cartagena, Colombia- February 22-26, 2021, International Society for Soil Mechanics And Geotechnical Engineering (2021)
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Determining the Groundwater Balance and Radius of Influence Using Hydrodynamic Modeling: the Case Study of the Groundwater Source “Šumice” (Kikinda, Serbia)
A groundwater flow model was developed to simulate groundwater extraction from the public water supply source of the City of Kikinda. The hydrodynamic model includes the municipal groundwater source of Kikinda (Šumice and the Jezero Well), but also an extended area where there are groundwater sources that provide water supply to three factories: (MSK, TM and LŽT - Kikinda). Hydrodynamic modeling, based on the numerical method of finite differences will show the groundwater balance of the sources in the ...... r source, operating two production wells with a total capacity of 54 l/s; the TM groundwater source, using a single production well with a discharge rate of 35 l/s; and the LŽT - Kikinda groundwater source, which operated two production wells with a total capacity of 50 l/s. Effective infiltration ...
... applying a Monte Carlo approach, with Geographic Information System (GIS) support, is a useful tool for delineating groundwater protection zones [14]. Particle tracking simulations can be used to determine travel times from recharge to discharge areas along identified flowpaths [15]. Using a standard ...
... code and a technique based on adjoint theory, and combining forward-in time and backward-in time transport modeling, it is possible to determine the impact of potential contaminant sources at unknown locations within a well capture zone, including the expected times of arrival of a contaminant ...Dušan Polomčić, Dragoljub Bajić, Jelena Zarić. "Determining the Groundwater Balance and Radius of Influence Using Hydrodynamic Modeling: the Case Study of the Groundwater Source “Šumice” (Kikinda, Serbia)" in Journal of Sustainable Development of Energy, Water and Environment Systems (2015). https://doi.org/10.13044/j.sdewes.2015.03.0017