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Estatística
Título: BEHAVIOR OF REINFORCED CONCRETE BEAMS STRENGTHENED WITH CFC UNDER IMPACT LOADING
Autor: ROBERTO MACHADO DOS SANTOS
Colaborador(es): GIUSEPPE BARBOSA GUIMARAES - Orientador
Catalogação: 20/FEV/2009 Língua(s): PORTUGUESE - BRAZIL
Tipo: TEXT Subtipo: THESIS
Notas: [pt] Todos os dados constantes dos documentos são de inteira responsabilidade de seus autores. Os dados utilizados nas descrições dos documentos estão em conformidade com os sistemas da administração da PUC-Rio.
[en] All data contained in the documents are the sole responsibility of the authors. The data used in the descriptions of the documents are in conformity with the systems of the administration of PUC-Rio.
Referência(s): [pt] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/ETDs/consultas/conteudo.php?strSecao=resultado&nrSeq=13063&idi=1
[en] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/ETDs/consultas/conteudo.php?strSecao=resultado&nrSeq=13063&idi=2
DOI: https://doi.org/10.17771/PUCRio.acad.13063
Resumo:
An experimental study on the behavior of reinforced concrete beams strengthened in flexure with CFC under impact load was carried out in this work. The main objective was to investigate the effects of the loading rate on the strength of the beams. The variables were the loading rate and the ratio of fiber to steel reinforcement cross sections. All beams were design to resist the same load, in a way that the failure should be governed by the yielding of the longitudinal tension steel reinforcement. The experimental program consisted of the test of eighteen simply supported beams. All the beams had the same cross section, span and concrete strength. The only difference was the amount of longitudinal tension steel and fiber reinforcements. Static and dynamic testing had been carried through. A hammer was used for the impact load application, which was released from different heights, giving different loads rates and, consequently, different deformation rates in the tested beams. The results showed that the beams with reinforcement of CFC had less capacity of movement deceleration of hammer fall. It was observed that the higher the height of the hammer the higher was the maximum force of reaction of the beams, showing practically a linear growth with the increase of the loading rate.
Descrição: Arquivo:   
COVER, ACKNOWLEDGEMENTS, RESUMO, ABSTRACT, SUMMARY AND LISTS PDF    
CHAPTER 1 PDF    
CHAPTER 2 PDF    
CHAPTER 3 PDF    
CHAPTER 4 PDF    
CHAPTER 5 PDF    
CHAPTER 6 PDF    
REFERENCES AND ANNEX PDF