@conference {10036, title = {An{\'a}lise experimental do comportamento {\`a} flex{\~a}o de vigas de bet{\~a}o armado refor{\c c}adas com armaduras p{\'o}s-instaladas de a{\c c}o inoxid{\'a}vel}, booktitle = {TEST\&E 2016 - 1{\textordmasculine} Congresso de Ensaios e Experimenta{\c c}{\~a}o em Engenharia Civil}, year = {2016}, note = {

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}, month = {4-6 July 2016}, pages = {8}, address = {IST, Lisbon, Portugal}, abstract = {

A procura de solu{\c c}{\~o}es de refor{\c c}o mais eficientes que permitam aumentar a capacidade resistente de elementos estruturais sujeitos a flex{\~a}o levou ao desenvolvimento de um sistema inovador de aplica{\c c}{\~a}o de armaduras de refor{\c c}o coladas pelo exterior. Neste artigo descrevem-se os ensaios experimentais realizados e analisam-se os resultados obtidos com vigas de bet{\~a}o armado refor{\c c}adas com armaduras p{\'o}s-instaladas de a{\c c}o inoxid{\'a}vel com diferentes t{\'e}cnicas: Externally Bonded Reinforcement (EBR), Near Surface Mounted (NSM) e com o novo sistema de refor{\c c}o desenvolvido - Continuous Reinforcement Embedded at Ends (CREatE). As vigas ensaiadas monotonicamente at{\'e} {\`a} rotura em flex{\~a}o de quatro pontos t{\^e}m se{\c c}{\~a}o transversal em T e um v{\~a}o livre de tr{\^e}s metros. No novo sistema de refor{\c c}o as armaduras s{\~a}o ancoradas por ader{\^e}ncia no interior do elemento estrutural, o que associado {\`a} utiliza{\c c}{\~a}o de armaduras em a{\c c}o inoxid{\'a}vel, possibilita aumentos de resist{\^e}ncia e ductilidade consider{\'a}veis face {\`a}s t{\'e}cnicas tradicionais de colagem pelo exterior.

}, keywords = {A{\c c}o Inoxid{\'a}vel, Bet{\~a}o armado, EBR, EBR com ancoragens mec{\^a}nicas, NSM, Refor{\c c}o}, attachments = {https://docentes.fct.unl.pt/sites/default/files/cmcr/files/teste2016_-_01067_-_noel.pdf}, author = {Franco, Noel and Chastre, Carlos and Biscaia, Hugo} }