Претрага
267 items
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Non-Detonating Chemical Mixture for Non-Invasive Methods of Rock Breaking
Within the Innovation developed several different non-detonating chemical mixtures for non-invasive methods of rock breaking. Laboratory and polygon tests gave the satisfactory results and knowledge enough to start the practical experiments in the field. The basis of this innovation is a theoretical assumption that certain chemical mixtures release a large quantity of gases during combustion. If these gases are found in the enclosed space a growing pressure on the walls of the chamber in which combustion takes place will ...Lazar Kričak, Milanka Negovanović, Nikola Simić, Stefan Milanović. "Non-Detonating Chemical Mixture for Non-Invasive Methods of Rock Breaking" in X International Scientific Congress Innovations 2024, Varna, Bulgaria, 24-27. jun 2024, Scientific Technical Union of Mechanical Engineering "Industry 4.0" (2024)
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Influence of engineering properties on Polished Stone Value (PSV): A case study on basic igneous rocks from Serbia
Đokić Olivera, Matović Vesna, Erić Suzana, Šarić Kristina. "Influence of engineering properties on Polished Stone Value (PSV): A case study on basic igneous rocks from Serbia" in Construction and Building Materials no. 101, :Elsevier (2015): 1088-1096. https://doi.org/http://dx.doi.org/10.1016/j.co
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Landslide Umka – The first GNSS monitoring project in Serbia
Abolmasov Biljana, Milenković Svetozar, Jelisavac Branko, Vujanic Vladeta. "Landslide Umka – The first GNSS monitoring project in Serbia" in Savremena teorija i praksa u graditeljstvu / VIII međunarodni naučni stručni skup, Banja Luka, 26. i 27. april 2012. godine = Contemporary Theory and Practice in Building Development / 8th International Scientific Technical Conference, Banja Luka, 26 1 no. 1, Banja Luka, BiH:Institute for Construction Banja Luka (2012): 311-320
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Applying 3D Terrestrial Laser Scanning on Rock Slope Letnja Pozornica in Belgrade
Abolmasov Biljana, Pejić Marko, Zečević Snežana, Šušić Vladimir. "Applying 3D Terrestrial Laser Scanning on Rock Slope Letnja Pozornica in Belgrade" in Savremena teorija i praksa u graditeljstvu / VIII međunarodni naučni stručni skup, Banja Luka, 26. i 27. april 2012. godine = Contemporary Theory and Practice in Building Development / 8th International Scientific Technical Conference, Banja Luka, 26, Banja Luka, BiH:Institute for Construction Banja Luka (2012): 321-328
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Smanjenje sleganja plitkih temelja primenom mikrošipova
Slobodan Ćorić, Dragoslav Rakić (2021)Mikrošipovi su šipovi malog prečnika koji se grade tako što se u tlu specijalni postupkom formira bušotina koja se zatim armira i injektira. Njihov prečnik je najčešće 150 – 300 mm, a dužina može da bude i više desetina metara. Mikrošipovi mogu da se grade u svim vrstama tla i mogu da budu vertikalni i kosi. Oni se, stoga, koriste kao zamena za konvencionalne šipove i ankere. Primena mikrošipova u fundiranju predstavlja jedan savremeni način izgradnje i sanacije temelja/objekata. ...Slobodan Ćorić, Dragoslav Rakić. "Smanjenje sleganja plitkih temelja primenom mikrošipova" in Zbornik radova međunarodno naučno-stručnog savetovanja Zemljotresno inženjerstvo i geotehnički aspekti građevinarstva, Vrnjačka banja, 3-5. novembar 2021., Beograd : Savez građevinskih inženjera Srbije (2021)
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Стратешко планирање функционалности подземних просторија моделом прогнозе деформација
Лука Црногорац (2023)Релативно велике деформације подградне конструкције у подземним рудницима угља у Републици Србији представљају један од главних проблема за постизање планиране производње угља. Деформације подграде су директна последица статичких и динамичких оптерећења стенске масе и у многоме зависе и од времена трајања изложености подграде утицају подземног притиска. Код ниско механизованог радног процеса долази до повећаног излагања подземних просторија утицају подземног притиска услед дугог производног циклуса који је често пропраћен застојима у раду. Веома често подземне просторије се санирају и по ...Лука Црногорац. Стратешко планирање функционалности подземних просторија моделом прогнозе деформација, Београд : [Л. Црногорац], 2023
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Permanent GNSS monitoring of landslide Umka
Mileva Samardžić Petrović, Jovan Popović, Uroš Đurić, Biljana Abolmasov, Marko Pejić, Miloš Marjanović (2020)Клизиште Умка је једно од највећих насељених активних клизишта у Србији. Активност клизишта Умка се прати већ више од 85 година, различитим геотехничким и геодетским техникама. Од 2010. године, активност kлизишта се континуирано прати у реалном времену аутоматизованим перманентним системом за праћење базираним на Глобалним навигационим сателитским системима (ГНСС). Поред тога, од 2018. године активност клизишта се додатно прати кинематичким ГНСС одређивањем положаја скупа карактеристичних тачака као и применом UAV фотограметрије. Главни циљ овог рада је приказ резултата опажања три ...... Petrović, Jovan Popović, Uroš Đurić, Biljana Abolmasov, Marko Pejić, Miloš Marjanović | International Conference on Contemporary Theory and Practice in Construction XIV Stepgrad | 2020 | | 10.7251/STP2014091S http://dr.rgf.bg.ac.rs/s/repo/item/0005205 Дигитални репозиторијум Рударско-геолошког факултета ...
... publications. - The Repository is available at: www.dr.rgf.bg.ac.rs 91 PROCEEDINGS OF INTERNATIONAL CONFERENCE ON CONTEMPORARY THEORY AND PRACTICE IN CONSTRUCTION XIV PERMANENT GNSS MONITORING OF LANDSLIDE UMKA 10 | Research paper I Оригинални научни рад ISSN 2566-4484 I Doi 10.7251/ ...
... Умка. Кључне ријечи: клизиште, перманентно праћење, ГНСС 92 PROCEEDINGS OF INTERNATIONAL CONFERENCE ON CONTEMPORARY THEORY AND PRACTICE IN CONSTRUCTION XIV PERMANENT GNSS MONITORING OF LANDSLIDE UMKA 1. INTRODUCTION Over the past two decades, driven by the development of geodetic ...Mileva Samardžić Petrović, Jovan Popović, Uroš Đurić, Biljana Abolmasov, Marko Pejić, Miloš Marjanović. "Permanent GNSS monitoring of landslide Umka" in International Conference on Contemporary Theory and Practice in Construction XIV Stepgrad, University of Banja Luka, Faculty of Architecture, Civil Engineering and Geodesy (2020). https://doi.org/10.7251/STP2014091S
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Automatic construction of a morphological dictionary of multi-word units
The development of a comprehensive morphological dictionary of multi-word units for Serbian is a very demanding task, due to the complexity of Serbian morphology. Manual production of such a dictionary proved to be extremely time-consuming. In this paper we present a procedure that automatically produces dictionary lemmas for a given list of multi-word units. To accomplish this task the procedure relies on data in e-dictionaries of Serbian simple words, which are already well developed. We also offer an evaluation ...electronic dictionary, Serbian, morphology, inflection, multiwordn units, noun phrases, query expansion... 2023-10-14 03:23:34 Automatic construction of a morphological dictionary of multi-word units Cvetana Krstev, Ranka Stanković, Ivan Obradović, Duško Vitas, Miloš Utvić Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Automatic construction of a morphological dictionary ...
... publications available in open access, as well as the employees' publications. - The Repository is available at: www.dr.rgf.bg.ac.rs Automatic Construction of a Morphological Dictionary of Multi-Word Units Cvetana Krstev1, Ranka Stanković2, Ivan Obradović2, Duško Vitas3, and Miloš Utvić1 1 Faculty ...
... automatic production of all 26 in- flected forms for the DELACF dictionary as, for example, the entry for the singular dative case: Automatic Construction of a Morphological Dictionary of MWUs 3 civilnom vojnom roku,civilni vojni rok.N:ms3q Although the Multiflex approach is theoretically well-founded ...Cvetana Krstev, Ranka Stanković, Ivan Obradović, Duško Vitas, Miloš Utvić. "Automatic construction of a morphological dictionary of multi-word units" in Lecture Notes in Computer Science 6233, Advances in Natural Language Processing, Proceedings of the 7thInternational Conference on NLP, IceTAL 2010, Reykjavik, Iceland, August 2010, Springer (2010): 226-237. https://doi.org/10.1007/978-3-642-14770-8_26
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The Impact on Karst Aquifer Regimes Induced by a Surface Reservoir in Karst through Multiparametric Analyses (Reservoir Bileća—Herzegovina)
Saša Milanović, Ljiljana Vasić, Branislav Petrović, Tina Dašić, Veljko Marinović, Petar Vojnović (2023)Management, Monitoring, Policy and Law,Renewable Energy, Sustainability and the Environment, Geography, Planning and Development, Building and ConstructionSaša Milanović, Ljiljana Vasić, Branislav Petrović, Tina Dašić, Veljko Marinović, Petar Vojnović. "The Impact on Karst Aquifer Regimes Induced by a Surface Reservoir in Karst through Multiparametric Analyses (Reservoir Bileća—Herzegovina)" in Sustainability, MDPI AG (2023). https://doi.org/10.3390/su151511968
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Dynamic and Static Elastic Properties - Laboratory Investigations of Metamorphites of the "Vranjska Banja" Series
Metamorphites of the series “Vranjska banja” built predominantly of high crystallinity schist series, alternately layered double mica, gneiss, leptonite and micaschist. For the construction of the “Prvonek” dam were carried out laboratory investigations of dynamic and static elastic properties on micashist and gneiss samples in the perpendicular and parallel direction to the foliation. These investigations provided monitoring of the rock mass anisotropy properties and greater reliability of the design parameteres. As the design of mining and construction facilities becomes ...Jelena Majstorović, Bojan Dimitrijević, Suzana Lutovac, Snežana Savković, Miloš Gligorić. "Dynamic and Static Elastic Properties - Laboratory Investigations of Metamorphites of the "Vranjska Banja" Series" in XVI International Conference of the Open and Underwater Mining of Minerals, Scientific and technical union of mining, geology and metallurgy (2021)
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The shear strength evaluation of rough and infilled joints and its indications for stability of rock cutting in schist rock mass
Construction of E75 highway section through Grdelica gorge was one of the most demanding projects realized in recent Serbian history. The alignment approximately 25 km long consists of several tens of bridges, two tunnels, three galleries and cuts with total length of 6 km. The alignment passes through highly anisotropic Palaeozoic schist rock formation of different weathering grades. This study focuses on shear strength properties of discontinuities, which are found to be the critical feature contributing to the occurrence ...Dušan Berisavljević, Zoran Berisavljević, Svetlana Melentijević. "The shear strength evaluation of rough and infilled joints and its indications for stability of rock cutting in schist rock mass" in Bulletin of engineering geology and the environment, Springer (2022). https://doi.org/10.1007/s10064-022-02580-8
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A proposal for the landslide damage questionnaire in suburban areas
Landslides are one of the most often natural disasters that have an extensive impact on society including loss of life, destruction of infrastructure and properties, damage to land and loss of natural resources. Landslide losses can significantly vary and they depend on a variety of different criteria such as the size and type of landslide, lithological setting of terrain, the terrain slope gradient, the quality of materials used for construction, and the construction typology. Damage from landslides is usually ...Uroš Đurić, Biljana Abolmasov, Miloš S. Marjanović, Sanja Jocković, Miloš D. Marjanović. "A proposal for the landslide damage questionnaire in suburban areas " in 5th Regional symposium on landslides in Adriatic–Balkan Region, 23-26 March 2022, Faculty of Civil Engineering, University of Rijeka and Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb (2022)
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Tehno-ekonomska analiza varijanti sistema odvodnjavanja površinskog kopa Drmno od podzemnih voda do kraja eksploatacije
Odvodnjavanje površinskog kopa Drmno od podzemnih voda je jedan od najznačajnijih podsistema u procesu eksploatacije u veoma zavodnjenoj radnoj sredini Kostolačkog basena uglja. Već od 2006. godine, Inovirani dugoročni program razvoja eksploatacije uglja predviđa izradu ekrana, pored zadržavanja postojećih standardnih metoda odvodnjavanja od podzemnih voda linijama bunara. Iako je kasnijim Glavnim rudarskim projektom, takođe, bila predviđena izrada ekrana, njegova realizacija nije započela. Na osnovu realnog sagledavanja postojeće projektne dokumentacije, početak izrade ekrana se predviđa od 2023. godine. ...Tomislav Šubaranović, Dušan Polomčić, Vladimir Pavlović. "Tehno-ekonomska analiza varijanti sistema odvodnjavanja površinskog kopa Drmno od podzemnih voda do kraja eksploatacije" in XIII Međunarodna konferencija OMC, Zlatibor, 2018, Jugoslovenski komitet za površinsku eksploataciju (2018)
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Развој модела конструкције просторија отварања рудника са подземном експлоатацијом
Dražana M. Tošić (2016-08-26)Приликом израде подземних просторија у стјенској маси долази до нарушавања природне равнотеже напонских стања стијенског масива који су владали прије израде тих просторија, при чему долази до појаве прертасподјеле напона и његове концентрације у појединим правцима и тачкама, односно долази до појаве пластичних деформација које су праћене ломљењем стијенске масе и кретањима материјала према откопаном простору...модел, метод коначних елемената, просторија отварања, напон, дефеормација стијенског масива, алгоритам функционалних зависностиDražana M. Tošić. "Развој модела конструкције просторија отварања рудника са подземном експлоатацијом" in Универзитет у Београду, Универзитет у Београду, Рударско-геолошки факултет (2016-08-26)
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Analiza nosivosti vertikalno opterećenog šipa za potrebe izgradnje petlje „Merošina 1“ na autoputu E-80 deonica: Niš – Merošina
U Srbiji je počela izgradnja autoputa E-80 koji će predstavljati saobraćajno čvorište zapadnog Balkana i biće deo glavne regionalne transportne mreže jugoistočne Evrope. Njegova ukupna dužina kroz Srbiju iznosi 77 km, a prva deonica u dužini od 5.5 km je završena i puštena u saobraćaj krajem jula 2023. god. To je prva od četiri deonice Sektora 1 čija je dužina 32.65 km. U sklopu petlje „Merošina 1“ izgrađen je nadvožnjak koji je oslonjen na devet stubnih mesta na međusobnom ...Dragoslav Rakić, Nikola Božović, Miloš Stevanović, Milan Bogdanović. "Analiza nosivosti vertikalno opterećenog šipa za potrebe izgradnje petlje „Merošina 1“ na autoputu E-80 deonica: Niš – Merošina" in Geotehnički aspekti građevinarstva i zemljotresno inženjerstvo – Vrnjačka Banja, 01-03. novembar 2023., Beograd : Savez građevinskih inženjere Srbije (2023)
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Flood protection and water utilization of karst poljes: example of Gatačko Polje, Eastern Herzegovina
Tina Dašić, Ljiljana Vasić (2020)Earth-Surface Processes,Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry,Global and Planetary ChangeTina Dašić, Ljiljana Vasić. "Flood protection and water utilization of karst poljes: example of Gatačko Polje, Eastern Herzegovina" in Environmental Earth Sciences, Springer Science and Business Media LLC (2020). https://doi.org/10.1007/s12665-020-08987-4
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Determination of the groundwater-leakage mechanism (binary mixing) in a karstic dam site using thermometry and isotope approach (HPP Visegrad, Bosnia, and Herzegovina)
Earth-Surface Processes,Geology, Pollution, Soil Science, Water Science and Technology, Environmental Chemistry, Global and Planetary ChangeLjiljana Vasić, Saša Milanović, Anita Puskás-Preszner, Laszlo Palcsu. "Determination of the groundwater-leakage mechanism (binary mixing) in a karstic dam site using thermometry and isotope approach (HPP Visegrad, Bosnia, and Herzegovina)" in Environmental Earth Sciences, Springer Science and Business Media LLC (2020). https://doi.org/10.1007/s12665-020-08910-x
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Correlation Between Dynamic CBR and Compaction and Bearing Capacity of Pavement Foundation Layers
This paper presents a dynamic California Bearing Ratio (CBRd) device that can be used on a prepared pavement foundation layer to obtain a certain parameter of the tested material in the laboratory and in situ in a direct and fast way. For the selected natural material (gravel), it is shown that the laboratory CBRd can be used to estimate the compaction and bearing capacity, because it correlates well with the parameters of the standard and modifed Proctor compaction tests. ...korelacija parametara, donji slojevi saobraćajnica, laboratorijska i terenska ispitivanja, dinamički kalifornijski indeks nosivosti CBRd... of natural materials are the most important indicators that must be satisfied during the construction of the foundation layers of pavements. Control procedures are used to ensure the quality of construction, in accordance with the criteria defined by certain design regulations, specifications, and ...
... the dependence between the parameters can be consid- ered to evaluate the suitability of materials and the compaction and load capacity in road construction. In the present study, this device was used for measurements in the laboratory and at a specific field location. Based on the obtained results ...
... by comparing the in-situ CBR, results with predefined minimum values. Particularly, CBR, tests can be used for compaction control during the construction of the foundation layers of pavements (embankments). These tests offer the advantage of rapid investigation through the use of a LWD [7]. ...Milan Bogdanović, Snežana Bogdanović, Dragoslav Rakić, Irena Basarić Ikodinović. "Correlation Between Dynamic CBR and Compaction and Bearing Capacity of Pavement Foundation Layers" in Soil Mechanics and Foundation Engineering, Springer Science and Business Media LLC (2024). https://doi.org/10.1007/s11204-024-09939-x
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Application of Lignite Combustion Waste Slag Generated in Heating Plants as a Partial Replacement for Cement. Part II: Physical–Mechanical and Physical–Chemical Characterization of Mortar and Concrete
Milan Kragović, Nenad Ristić , Jelena Gulicovski, Andrijana Nedeljković, Snežana Pašalić, Ivica Ristović, Marija Stojmenović (2021)sagorevanje lignita, otpadna šljaka, zamena cementa, proizvodnja maltera i betona, fizičko-mehanička i fizičko-hemijska karakterizacija... disposal. Finding the useful value of such generated waste as cement replacement in the construction industry is certainly a step in the right direction. However, concerning the application of waste in the construction industry, previous research has largely been focused on finding the useful value of fly ...
... the aim of finding a useful value of hazardous waste slag generated by the combustion of lignite in heating plants and its application in the construction industry. The different amounts of cement (10%, 15%, 20% and 25%) were replaced with waste slag and silica fumes in mortars and concrete production ...
... an acceptable level of compressive strength decrease, then it can be concluded that waste slag can be implemented in practice and be used as a construction material, with cement replacement in the maximal amount of 20% (17.8% of slag and 2.2% of silica fumes). On hardened mortar samples with maximal ...Milan Kragović, Nenad Ristić , Jelena Gulicovski, Andrijana Nedeljković, Snežana Pašalić, Ivica Ristović, Marija Stojmenović . "Application of Lignite Combustion Waste Slag Generated in Heating Plants as a Partial Replacement for Cement. Part II: Physical–Mechanical and Physical–Chemical Characterization of Mortar and Concrete" in Minerals, MDPI (2021). https://doi.org/10.3390/min11090925
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Jeleč grad- još nepriznati objekat geonasleđa
Остаци средњовековног града Јелеча на једном од врхова планине Рогозне (1262 m), по неким веровањима представљаju купу угашеног вулкана. Рогозна je позната по појавама скарновске Cu–Au минерализације, а трагови рударске активности и важних путева још од античких времена и даље постоје у непосредној околини. О томе сведочи и османски назив за Рогозну: Gümüş Dağ (Сребрна планина). Време изградње Јелеча је непознато. Постоје индиције да је постојао још у 6. веку, али се помиње први пут средином 12. века. Поуздан податак ...Marija Radisavljević, Danica Srećković Batoćanin, Vladan Vidosavljević, Irena Kajtez. "Jeleč grad- još nepriznati objekat geonasleđa" in Zbornik apstrakata, 212. 18. Kongres geologa Srbije "Geologija rešava probleme", Divčibare, 01-04 jun 2022, Srpsko geološko društvo (2022)