Repository of Faculty of Civil Engineering Osijek
Not a member yet
2575 research outputs found
Sort by
Architecture and urban design of Retfala south business zone
No full textProstor zadanog obuhvata nalazi se na jugozapadnom dijelu grada Osijeka u predviđenoj poslovnoj zoni četvrti Retfaa, glavni cilj urbanističkog rješenja tmelji se na stvaranju ugodnog prostora za odmor unutar poslovnog kompleksa, odnosno oaze, koju će primarno korititi korisnici poslovne zone, ali i ostali stanovnici grada Osijeka. Središnji dio čini jezero, omeđeno vegetacijom, te drvenim i šljunčanim stazama, imitirajući one koje se nalaze u Kopačkom ritu, te se na rubnim dijelovima nalaze zgrade koje čine čeke u prostoru
Industrial Hemp Finola Variety Photosynthetic, Morphometric, Biomechanical, and Yield Responses to K Fertilization Across Different Growth Stages
No full textThe growing interest in Cannabis sativa as a highly used crop is present worldwide. There are limited data about the effect of potassium (K) fertilizer on industrial hemp yield for dual purposes (seed and stem production). The current study aimed to investigate the influence of adding two different K fertilizers, KCl and K2SO4, at two growth stages (flowering and ripening) on the productivity and chlorophyll a fluorescence (ChlF) of Cannabis sativa, variety Finola. Before sowing, different K treatments were applied: K1—100 kg ha−1 KCl (60% K) and K2—100 kg ha−1 K2SO4 (52% K, S 17%). The OJIP (O stands for “origin” (minimal fluorescence), P for “peak” (maximum fluorescence), and J and I for inflection points between the O and P levels) data were recorded and used for ChlF transients and individual ChlF parameters during vegetation. At harvest, the stem morphology parameters and yield (plant height, stem weight and diameter, and stem and seed yield), tensile strength, and the modulus of elasticity were determined. The results show the sensitivity of minimal (F0) and maximal fluorescence (Fm), electron transport from QA to intersystem electron acceptors (ET0/(TR0 − ET0)), and electron transport flux until PSI acceptors (RE0/RC) to K fertilization. The parameters that described electron transport (ET0/RC, ψE0, and φE0), performance index on absorption basis (PIABS, TR0/DI0, and φP0), dissipation (DI0/RC), and electron transport to photosystem I (φR0 and δR0/(1 − δR0)) had a reaction only at the growth stage, indicating a change in their activity during the aging of the Cannabis sativa plants. The average stem height was 67.5 cm, and the stem diameter was 0.41 cm. The different K sources did not significantly influence the stem height and diameter, nor the dry stem (on average 12.2 t ha−1) and seed yield (on average 1.85 t ha−1). The tensile strength of individual hemp stems was the highest with K2SO4 (53.32 MPa) and the lowest with KCl (49.25 MPa). The stem stiffness by modulus of elasticity was about 5 GPa on average for all the treatments. In general, the photosynthetic parameters in this study varied more between the growth stages than between the different K fertilizer formulations. Moreover, based on the results of this study, it can be recommended to use both fertilizers, KCl and K2SO4, in dual-purpose industrial hemp production since no significant effect was found for the stem morphometric and biomechanical parameters as well as for the agronomic parameters
The influence lines statically determinate structures
No full textZavršni rad kolegija Građevna statika 1 obrađuje temu utjecajnih linija te njihovu primjenu u analizi statički određenih konstrukcija. U uvodnom dijelu objašnjava pojam utjecajnih linija, njihov značaj u projektiranju i analizi konstrukcija. Nakon teorijskog dijela u radu je prikazano kreiranje utjecajnih linija i anvelopa na primjeru poduprte grede u programu Autodesk Robot Structural Analysis. U nastavku rada prikazuje se postupak izračuna unutarnjih sila u presjeku trozglobnog okvira metodom utjecajnih linija te usporedbu rezultata dobivenih računalnim programom Autodesk Robot Structural Analysis.The final thesis for the course Structural Mechanics 1 addresses the topic of influence lines and their application in the analysis of statically determinate structures. The introductory part explains the concept of influence lines, their importance in design and structural analysis. After the theoretical section, the thesis presents the creation of influence lines and envelopes on the example of a simply supported beam in the Autodesk Robot Structural Analysis program. The following part demonstrates the procedure for calculating internal forces in the section of a three-hinged frame using the influence line method, as well as a comparison of the results obtained with the Autodesk Robot Structural analysis software
Comparison of urban planning indicators for three residential groups in Orašje
No full textOvaj završni rad bavi se analizom urbanističkih uvjeta tri stambena naselja u gradu Orašju. Cilj rada bio je proučiti razvojne faze grada kroz analizu određenih zona unutar stare gradske jezgre te novonastalih naselja Jug I i Jug II, uspoređujući njihove urbanističke pokazatelje poput koeficijenta izgrađenosti, veličine parcela, veličine objekata i broja etaža te iz tih podataka izvesti zaključke o učincima urbanističkog planiranja. Za provedbu analize u radu je korištena metoda terenskih istraživanja kao i analiza važeće urbanističke dokumentacije uz izračune ključnih urbanističkih parametara. Rezultati pokazuju da stara gradska jezgra ima znatno veći stupanj izgrađenosti uz vrlo male prosječne površine parcela, što odražava višu gustoću. Nasuprot staroj gradskoj jezgri
koja je također nastala planski, stambena naselja Jug I i Jug II karakteriziraju veće prosječne parcele i niži koeficijent izgrađenosti od približno 30%. Zaključno možemo reći da je planski pristup i kontrola izgradnje obiteljskih kuća unutar novonastalih naselja omogućila Orašju kvalitetan prostorni razvoj i stvaranje prostorne cjeline koja je organizirana prostorno i funkcionalno koja odgovara suvremenim potrebama stanovništvaThis final paper deals with the analysis of urban conditions of three residential settlements in the city of Orašje.
The aim of the paper was to study the development phases of the city through the analysis of certain zones within the old city core and the newly created settlements Jug I and Jug II, comparing their urban indicators such as the development coefficient, plot size, building size and number of floors, and to draw conclusions from this data about the effects of urban planning. The analysis was carried out using the field research method as well as the analysis of valid urban planning documentation with calculations of key urban parameters. The results show that the old city core has a significantly higher degree of development with very small average plot areas, which reflects a higher density. In contrast to the old city core, which was also created according to planning, the residential settlements Jug I and Jug II are characterized by larger average plots and a lower development coefficient of approximately 30%. In conclusion, we can say that the planned approach and control of the
construction of family houses within the newly created settlements enabled Orašje to have high-quality spatial
development and the creation of a spatial entity that is organized spatially and functionally, which meets the modern needs of the population
Installation of fill material in a construction pit near sensitive objects
No full textU ovom diplomskom radu obrađuje se problem pripreme građevne jame za izvedbu plitkih temelja u uvjetima kada se radovi izvode u neposrednoj blizini osjetljivih objekata. Zbog mogućnosti negativnog utjecaja vibracija na okolne strukture, korištenje teške mehanizacije za zbijanje tla značajno je ograničeno. Rad daje pregled tehnologija i metoda ugradnje i zbijanja nasipnog materijala koje omogućuju postizanje potrebne zbijenosti podloge, uz minimalan rizik po stabilnost susjednih objekata.
Analiziraju se svojstva materijala za nasute građevine, tehnologije njihove pripreme i ugradnje, metode poboljšanja tla, kao i različiti strojevi za zbijanje s naglaskom na njihovu prikladnost u osjetljivim urbanim sredinama. Posebna pažnja posvećena je kontroli kvalitete izvedenih radova te je prikazan konkretan primjer primjene analiziranih tehnologija u praksi. Cilj rada je ponuditi rješenja koja omogućuju sigurnu i učinkovitu izvedbu temeljenja uz poštivanje zahtjeva zaštite okolne infrastrukture.This thesis addresses the issue of preparing an excavation pit for the construction of shallow foundations in conditions where works are carried out in close proximity to sensitive structures.
Due to the potential negative impact of vibrations on surrounding structures, the use of heavy machinery for soil compaction is significantly limited. The paper provides an overview of technologies and methods for the placement and compaction of fill material that enable achieving the required soil density while minimizing the risk to the stability of adjacent structures. It analyzes the properties of materials used for embankment structures, technologies for their preparation and installation, ground improvement methods, as well as various compaction machines, with an emphasis on their suitability in sensitive urban environments. Special attention is given to quality control of the executed works, and a concrete example of the practical application of the analyzed technologies is presented. The goal of the thesis is to offer solutions that enable safe and efficient foundation construction while complying with the requirements for protecting surrounding infrastructure
Architecture and urban design of Retfala South business zone
No full textTema završnog rada je urbanističko i arhitektonsko rješenje poslovne zone Retfala - jug koja se nalazi na jugozapadnom ulazu/izlazu u grad Osijek. Na temelju analiza postojećeg stanja urbanističkim rješenjem se odradio položaj osam poslovnih zgrada, hotela i tržnice koje povezuje šetnica popraćena različitim sadržajima i zelenilom. Arhitektonsko rješenje izvedeno je za najvišu zgradu obuhvata koja se nalazi uz zapadni rub u neposrednoj blizini hotela, a ujedno i reprezentira urbanističko rješenje obuhvata. Koncept arhitektonskog rješenja nastavlja se na urbanističko rješenje šetnice popraćene konstrukcijom ispunjenom zelenilom koja obavija i cijelu zgradu. Tako se na njoj stvara sekundarna vanjska komunikacija, sunčana zaštita, ali postiže i dojam dvorišta gladavši iz unutarnjeg prostora. Glavna je tema sam korisnik, te njegove različite potrebe i preferencije glede radnog prostora. Kontrastnim temama otvoreno - zatvoreno, javno - privatno, glasno - tiho odgovaramo na pitanje glavne teme. Svaka etaža ima jednu od navedenih tema, a međusobno su povezane sekundarnom komunikacijom na vanjskoj konstrukciji stvarajući ciljanu i brzu vezu između odjela.The topic of the final thesis is the urban and architectural design of the Retfala South business zone, located at the southwest entrance/exit to the city of Osijek. Based on analyses of thecurrent situation, the urban design includes the placement of eight office buildings, a hotel, and amarket, all connected by a promenade enriched with various amenities and greenery. Thearchitectural design focuses on the tallest building within the area, situated on the western marginadjacent to the hotel, and it also represents the overall urban design concept. The architecturalsolution continues the urban concept of the promenade, accompanied by a structure filled withgreenery that envelops the entire building. This creates secondary external communication, providessun protection, and gives the impression of a courtyard when viewed from the interior. The maintheme centers on the user and their diverse needs and preferences for a workspace. We address theprimary theme by contrasting open and closed, public and private, loud and quiet spaces. Each floorfeatures one of these themes, interconnected by secondary communication on the external structure,creating targeted and quick connections between departments
Architecture and urban design of Retfala south business zone
No full textTema završnog rada je urbanističko-arhitektonsko rješenje poslovne zgrade u zoni Retfala-jug. Urbanističkim rješenjem postavljeno je 8 zgrada koje tvore formu bloka i zatvaraju dva različita prostora, prostor trga i parka. Zadana zgrada nalazi se na jugoistoku obuhvata i jedna je od 6 koje okružuju prostor parka. Ideja žive sredine i čvrstog napuknutog okvira prenosi se i u ideju zgrade. Unutar zgrade uvodi se zeleni središnji prostor koji se nalazi u ulozi parazita. Daljnjim projektiranjem omogućava se parazitu
ponašanje u skladu s njegovom ulogom. Ovaj prostorni organizam se razvija u nepravilnom maniru i proždire prostor te ostavlja izda sebe prodore koji postaju zelena mjesta boravka ljudi.The subject of the final paper is the urban-architectural solution of an office building in the Retfala-south zone. With the urban design, 8 buildings were deffined that form a block and enclose two different areas, the area of the square and the park. The given building is located in the southeast of the complex and is one of 6 surrounding the park area. The idea of a living core and a solid cracked frame is transferred to the idea of the building. Inside the building, a green central space is introduced, which acts as a parasite. Further design enables the parasite to behave in accordance with its role. This spatial organism develops in an irregular manner and devours the space and leaves behind openings that become green places where peopl
Statistical analysis of municipal water construction
No full textKako bi se jasnije razlikovao teorijski pristup od praktične primjene, rad je strukturiran u dva dijela. Prvi dio obuhvaća teorijski prikaz upravljanja i održavanja vodoopskrbnih sustava, s naglaskom na klasifikaciju i uzroke gubitaka vode, metode lokalizacije gubitaka te pristupe njihovom smanjenju. U okviru ovog dijela analizirani su ključni tehnički i organizacijski aspekti pouzdanosti sustava, uloga preventivnog održavanja te alati koji se koriste za nadzor i optimizaciju rada mreže. Drugi dio rada posvećen je analitičkom prikazu kvarova na vodoopskrbnom sustavu Vodovoda d.o.o. Slavonski Brod, provedenom za razdoblje od 2018. do 2024. godine. Analiza je obuhvatila podatke o kvarovima na cjevovodima, priključcima i hidrantima, raspoređene po godinama, općinama i naseljima, uz dodatnu obradu količina zahvaćene, prerađene i isporučene vode te pripadajućih troškova otklanjanja kvarova. U radu su korištene metode deskriptivne statistike, korelacijske analize i grafički prikazi (scatterplotovi, korelacijske matrice i kutijasti dijagrami) koji su pridonijeli razumijevanju odnosa između promatranih varijabli. Nadalje, primjenom Bayesovog teorema izračunata je uvjetna vjerojatnost nastanka kvara. Na temelju dobivenih rezultata, kroz zaključak su predložene konkretne mjere za poboljšanje stanja i povećanje pouzdanosti vodoopskrbnog sustava s ciljem prijelaza s reaktivnog na proaktivan model upravljanja vodoopskrbnim sustavom.In order to clearly distinguish the theoretical approach from practical application, the thesis is structured into two parts. The first part provides a theoretical overview of water supply system management and maintenance, with emphasis on the classification and causes of water losses, methods of loss localization, and approaches to their reduction. This section analyzes the key technical and organizational aspects of system reliability, the role of preventive maintenance, and the tools used for monitoring and optimizing network performance. The second part of the thesis focuses on an analytical overview of failures in the water supply system of Vodovod d.o.o. Slavonski Brod, conducted for the period from 2018 to 2024. The analysis included data on failures in pipelines, service connections, and hydrants, distributed by years, municipalities, and settlements, along with additional data on the volumes of abstracted, treated, and delivered water and the associated repair costs.The thesis employed methods of descriptive statistics, correlation analysis, and graphical representations (scatterplots, correlation matrices, and box plots) that contributed to understanding the relationships between the observed variables. Furthermore, by applying Bayes' theorem, the conditional probability of failure occurrence was calculated. Based on the obtained results, the conclusion presents concrete measures for improving the condition and enhancing the reliability of the water supply system, with the aim of transitioning from a reactive to a proactive model of system management
Three-moment equation
No full textU radu je analiziran način rješavanja kontinuiranih nosača kroz više polja, (statički neodređeni nosači) opterećenih na savijanje, pomoću tromomentne jednadžbe. U uvodu je opisan problem, u teorijskom dijelu izvedene su temeljne jednadžbe za rješavanje zadanog problema. Riješeno je nekoliko primjera. Provedena usporedba rezultata rješenja dobivenih analitički sa rješenjima dobivenim korištenjem računalnog programa.The paper analyzes the method of solving continuous beams over multiple spans (statically indeterminate beams) subjected to bending, using the three-moment equation. The introduction describes the problem, while the theoretical section derives the fundamental equations needed to solve the given task. Several examples have been solved. A comparison was conducted between the results obtained analytically and those obtained using computer software
Architecture and urban design of Retfala south business zone
No full textTema završnog rada jest urbanističko i arhitektonsko uređenje poslovne zone Retfala - jug u Osijeku. Parcela se nalazi između Retfale i Portanove, na samom rubu grada Osijeka, unutar vertikalne poslovne zone koja se pruža kroz Retfalu. Urbanističkim rješenjem predviđeno je osam zgrada za urbanističko-arhitektonsko-građevinske kompanije te jedna zgrada javne namjene.Arhitektonsko rješenje bavi se projektom poslovne zgrade na jugoistoku parcele oblika lamele. Svoju najvišu točku zgrada okreće prema trgu na sjeverozapad te se modularno "raspada" prema parceli. Tako svojim oblikom odvaja javni trg od polujavne parcele. Zbog urbanističkog određenja građevinskih pravaca zgrada svojom pojavnošću određuje granice parcele prema sjevernoj i zapadnoj javnoj šetnici.The topic of the final thesis is the urban and architectural design of the business zone Retfala -south in Osijek. The plot is located between Retfala and Portanova, on the outskirts of thecity of Osijek within the vertical business zone that extends through Retfala. The urban plan includes eight buildings for urban-architectural-construction companies and one building for public use. The architectural design focuses on the project of a business building in the southeast of the plot in the form of a lamella. The building turns its highest point towards the square to the northwest and modularly "breaks apart" towards the plot. In this way, its shape separates the public square from the semi-public plot. Due to the urban determination of the building boundaries, the building define the boundaries of the plot towards the northern and western public promenade with its appearance