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Abstract ▼ AI-Helper

This study focuses on the bond performance of ribbed type of GFRP rebar to concrete at high temperature and discusses the results of pullout test. Pullout tests of ribbed type of GFRP rebars embedded in concrete were conducted to obtain an accurate bond stress-slip curves and also to closely observe...

This study focuses on the bond performance of ribbed type of GFRP rebar to concrete at high temperature and discusses the results of pullout test. Pullout tests of ribbed type of GFRP rebars embedded in concrete were conducted to obtain an accurate bond stress-slip curves and also to closely observe the state of the surface of pulled-out rebars at failure. The effect of temperature on the bond strength is mainly discussed in this paper. Relatively high bond strength was seen in the control specimen which is exposed to room temperature. But, as the internal temperature increases, the bond strength decreases.