Abstract
The overall deterioration of transportation infrastructure due to ageing and increasing traffic loads motivated researchers to look for new ways of repairing and monitoring the existing structures. Numerous studies were conducted and proved the efficiency of bonding fibre-reinforced polymers (FRP) systems on the structural elements such as reinforced concrete (RC) beams and columns. Although there is a huge potential for the use of FRP materials, their large-scale implementation is often impeded by the lack of data on their durability when submitted to extreme loading conditions. This paper presents an experimental project undertaken in order to asses the durability of RC beams externally strengthened with carbon-fibre-reinforced polymers (CFRPs). The beams were loaded in fatigue for various numbers of cycles and then tested quasi-statically to failure. Test results provide an insight on the potential performance of CFRP-strengthened beams submitted to fatigue loading conditions.
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