Effect of Sulfate Drying and Wetting Cycles on the Interfacial Bonding Properties between CFRP and Clay Brick
Publication: Journal of Materials in Civil Engineering
Volume 35, Issue 3
Abstract
To study the effects of sulfate drying and wetting cycles on the bond performance between fiber-reinforced polymer (FRP) and clay brick, a test was performed in this study by simulating the sulfate environment through the cyclic accelerated sulfate drying and wetting cycles. Results showed that the failure mode of the carbon fibre-reinforced polymer (CFRP) and clay brick interface was greatly affected by the sulfate wetting and drying cycles. Furthermore, the interfacial bonding properties (including ultimate bearing capacity and peak shear stress) increased slightly at the beginning and then showed a rapid decline. Based on the experiment and the existing interface theory, a bond–slip model that considers the cycle times is proposed. After comparing the predicted data with the experimental data, the results showed that the model can well reflect the degradation law of the interface bonding performance under the actions of sulfate drying and wetting cycles.
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Data Availability Statement
Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request.
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Published In
Journal of Materials in Civil Engineering
Volume 35 • Issue 3 • March 2023
Copyright
© 2022 American Society of Civil Engineers.
History
Received: Feb 11, 2022
Accepted: Jun 28, 2022
Published online: Dec 27, 2022
Published in print: Mar 1, 2023
Discussion open until: May 27, 2023
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