Journal of Advanced Concrete Technology
Scientific paper
Modeling of Bond Deterioration between Steel Bar and Concrete Subjected to Freeze-thaw Action
Takeru KanazawaYasuhiko SatoTomomasa Mikawa
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Volume 15 (2017) Issue 8 Pages 397-406

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Abstract

This study presents a new bond model based on the deterioration mechanisms observed during uniaxial tensile tests of reinforced concrete prismatic specimens subjected to freeze-thaw cycles. The test results demonstrated that the bond stress reduced, even though the specimens were exposed only to temperature fluctuation without the damage in concrete cover. The proposed model considers the bond deterioration mechanism caused by the temperature fluctuation in addition to the damage in concrete cover. Finally, the proposed model shows good agreement with the test results regardless of the dominant deterioration mechanism.

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© 2017 by Japan Concrete Institute
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