Chapter
Apr 4, 2017
Evaluation of Bond Strength for AFRP Reinforcing Bars in Columns with Self-Consolidating Concrete
Authors: Emmanuel Chinaka [email protected], Mehdi Shokouhian [email protected], Steve Efe [email protected], and Monique Head [email protected]Author Affiliations
Publication: Structures Congress 2017
Abstract
Previous research and design codes have focused on developing equations, mostly empirical based on experimental studies, to determine the bond strength of steel bars with different types of concrete. However, limited studies have been conducted on FRP bars particularly embedded in self-consolidating concrete (SCC), but very few using aramid fiber reinforced polymers (AFRP) bars. This investigation aims to study the influence of two main parameters: (1) superplasticizer dosage and (2) water to cement ratio on the bond strength and bond slip model of the AFRP bars and SCC. Results show a significant effect of superplasticizer on the bond strength of AFRP bars embedded within SCC. Moreover, the effect of the w/c ratio is quantified and its correlation with bond strength is presented. The slippage of the AFRP bars embedded in the concrete was accurately measured to determine a precise bond-slip model that is compared to conventional concrete performance.
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Published In
Structures Congress 2017
Pages: 1 - 11
Copyright
© 2017 American Society of Civil Engineers.
History
Published online: Apr 4, 2017
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Authors
Affiliations
CBEIS 232, Dept. of Civil Engineering, Morgan State Univ., 1700 E. Cold Spring Ln., Baltimore, MD 21251. E-mail: [email protected]
CBEIS 205, Dept. of Civil Engineering, Morgan State Univ., 1700 E. Cold Spring Ln., Baltimore, MD 21251. E-mail: [email protected]
CBEIS 233, Dept. of Civil Engineering, Morgan State Univ., 1700 E. Cold Spring Ln., Baltimore, MD 21251. E-mail: [email protected]
CBEIS 209, Dept. of Civil Engineering, Morgan State Univ., 1700 E. Cold Spring Ln., Baltimore, MD 21251. E-mail: [email protected]
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