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master's thesis
Savijanje betonske grede armirane FRP armaturom - numerički model
Zagreb: University of Zagreb, Faculty of Civil Engineering, 2019. urn:nbn:hr:237:078539
Uglešić, Nikolina
University of Zagreb
Faculty of Civil Engineering
Structures

Cite this document

Uglešić, N. (2019). Savijanje betonske grede armirane FRP armaturom - numerički model (Master's thesis). Zagreb: University of Zagreb, Faculty of Civil Engineering. Retrieved from https://urn.nsk.hr/urn:nbn:hr:237:078539

Uglešić, Nikolina. "Savijanje betonske grede armirane FRP armaturom - numerički model." Master's thesis, University of Zagreb, Faculty of Civil Engineering, 2019. https://urn.nsk.hr/urn:nbn:hr:237:078539

Uglešić, Nikolina. "Savijanje betonske grede armirane FRP armaturom - numerički model." Master's thesis, University of Zagreb, Faculty of Civil Engineering, 2019. https://urn.nsk.hr/urn:nbn:hr:237:078539

Uglešić, N. (2019). 'Savijanje betonske grede armirane FRP armaturom - numerički model', Master's thesis, University of Zagreb, Faculty of Civil Engineering, accessed 18 April 2024, https://urn.nsk.hr/urn:nbn:hr:237:078539

Uglešić N. Savijanje betonske grede armirane FRP armaturom - numerički model [Master's thesis]. Zagreb: University of Zagreb, Faculty of Civil Engineering; 2019 [cited 2024 April 18] Available at: https://urn.nsk.hr/urn:nbn:hr:237:078539

N. Uglešić, "Savijanje betonske grede armirane FRP armaturom - numerički model", Master's thesis, University of Zagreb, Faculty of Civil Engineering, Zagreb, 2019. Available at: https://urn.nsk.hr/urn:nbn:hr:237:078539

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Metadata
TitleSavijanje betonske grede armirane FRP armaturom - numerički model
Title (english)Bending of concrete beam reinforced with FRP bars - numerical model
AuthorNikolina Uglešić
MentorTomislav Kišiček (mentor)
Committee memberTomislav Kišiček (predsjednik povjerenstva)
Committee memberMislav Stepinac (član povjerenstva)
Committee memberIvan Lukačević (član povjerenstva)
GranterUniversity of Zagreb
Faculty of Civil Engineering
(Structures)
Zagreb
Defense date and country2019-09-19, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Civil Engineering
Abstract
U sklopu diplomskog rada kratko je opisan FRP, kompozitni materijal polimerne matrice ojačane vlaknima. Opisana su svojstva šipki od FRP-a, te je ukratko opisan analitički proračun koji se provodi po graničnom stanju nosivosti i graničnom stanju uporabivosti. Izrađeni su numerički modeli betonskih greda opterećenih na savijanje. Grede su armirane čeličnom, GFRP i CFRP armaturom. Koristila se metoda konačnih elemenata, a modeli su izrađeni u Midas FEA softveru. Cilj je bio prikazati rezultate dobivene numeričkim modeliranjem te usporediti iste s rezultatima dobivenim laboratorijskim ispitivanjima koja su obrađena u Doktorskom radu, prof. dr. sc. Tomislava Kišičeka, Progibi betonskih greda s FRP armaturom. Beton je modeliran po total strain crack teoriji. Korišten je model razmazanih pukotina i napravljena je usporedba između nepomičnih i rotirajućih pukotinskih modela. Čelik je modeliran kao Von Mises-ov materijal, a FRP linearno elastično sve do sloma. Modelirao se i interface između armature i betona, za to je korištena bond – slip funkcija. Rezultati su pokazali kako je moguće dobiti slične rezultate onima koji su dobiveni eksperimentalnim istraživanjima, ali su potrebna prethodna ispitivanja materijala i poznavanje ponašanja istih.
Abstract (english)
In the thesis is briefly described FRP, composite material of polymer matrix reinforced with fibres. The properties of the FRP rods are described, and there are briefly described the analytical calculation of ultimate limit state and serviceability limit state. Numerical models of bending-loaded concrete beams have been made. The beams are reinforced with steel, GFRP and CFRP reinforcement. The finite element method was used and the models were made in Midas FEA software. The goal was to present the results obtained by numerical models and to compare them with the results obtained by experiments, which were elaborated in the doctoral dissertations, PhD Tomislav Kišiček, Deflections of concrete beams with FRP reinforcement. Concrete is modelled by the total strain crack theory. A smeared cracks model was used. Steel is modelled as Von Mises material, FRP linear elastic. The interface between the reinforcement and the concrete was also modelled, as bond – slip function. The results showed that it is possible to obtain similar results obtained by experimental researchers, but it requires knowledge of material behaviour.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:237:078539
Study programmeTitle: Civil Engineering; specializations in: Construction Management, Transportation Engineering, Geotechnical Engineering, Hydraulic Engineering, Structural Engineering, Construction Materials, Theory and Modeling of Structures
Course: Structural Engineering
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra inženjer/inženjerka građevinarstva (magistar/magistra inženjer/inženjerka građevinarstva)
Type of resourceText
File originBorn digital
Access conditionsClosed access
Terms of useLicence In copyright icon
RepositoryRepository of the Faculty of Civil Engineering, University of Zagreb
Created on2019-11-18 12:01:05

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