Modelling and analysis of internally BFRP reinforced beams at elevated temperatures

Barboni, Edoardo (2012) Modelling and analysis of internally BFRP reinforced beams at elevated temperatures. [Laurea magistrale], Università di Bologna, Corso di Studio in Ingegneria civile [LM-DM270], Documento ad accesso riservato.
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The aim of the work is to conduct a finite element model analysis on a small – size concrete beam and on a full size concrete beam internally reinforced with BFRP exposed at elevated temperatures. Experimental tests performed at Kingston University have been used to compare the results from the numerical analysis for the small – size concrete beam. Once the behavior of the small – size beam at room temperature is investigated and switching to the heating phase reinforced beams are tested at 100°C, 200°C and 300°C in loaded condition. The aim of the finite element analysis is to reflect the three – point bending test adopted into the oven during the exposure of the beam at room temperature and at elevated temperatures. Performance and deformability of reinforced beams are straightly correlated to the material properties and a wide analysis on elastic modulus and coefficient of thermal expansion is given in this work. Develop a good correlation between the numerical model and the experimental test is the main objective of the analysis on the small – size concrete beam, for both modelling the aim is also to estimate which is the deterioration of the material properties due to the heating process and the influence of different parameters on the final result. The focus of the full – size modelling which involved the last part of this work is to evaluate the effect of elevated temperatures, the material deterioration and the deflection trend on a reinforced beam characterized by a different size. A comparison between the results from different modelling has been developed.

Tipologia del documento
Tesi di laurea (Laurea magistrale)
Autore della tesi
Barboni, Edoardo
Relatore della tesi
Correlatore della tesi
Corso di studio
Curriculum: Strutture
Ordinamento Cds
Parole chiave
Elevated temperatures, BFRP, Internal reinforcement, FE modelling, Small size beam
Data di discussione della Tesi
13 Giugno 2012

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