Abstract
The bond between hybrid fiber reinforced concrete and steel bars were analyzed in this work. Through the comparative analysis of bond strength and bond stress-slip curves evidenced the influence of the bar diameter (10, 12.5 and 16 mm) and type of fiber incorporated to the concrete (steel-polypropylene, steel-glass and polypropylene-glass). The results show that the addition of hybrid fibers reduced the maximum bond strength of concrete in relation to plain concrete. The positive influence on concrete ductility was observed in specimens with hybrid fibers and with a bar larger diameter (16 mm).
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