Effect of Artificial Corrosion on the Postyielding Performance of Steel Reinforcement
Publication: Journal of Materials in Civil Engineering
Volume 33, Issue 1
Abstract
This paper investigates the influence of corrosion on the postyielding performance of steel reinforcement. Artificial corrosion was induced to the steel reinforcement based on mechanical methods. Different corrosion morphologies were considered in the investigation, including pitting (nonuniform) corrosion and uniform corrosion. The impact of artificial corrosion on the postyielding performance of the steel reinforcement was analyzed according to the experimental tests. The results show that the corrosion morphologies and corrosion degrees influenced the configuration of stress-strain curves significantly. For the uniform corrosion, the configuration of the postyielding curves consisted of the yield plateau and the strain hardening stages even though the corrosion degree reached 50%. While for the pitting corrosion, the postyielding behavior of the steel reinforcement got degraded even more seriously than that of the specimens with uniform corrosion corresponding to the same corrosion degree. Moreover, when the corrosion degree got over 15%, the yield plateau disappeared due to the pitting corrosion.
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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, including the experimental results of the tension tests.
Acknowledgments
The authors acknowledge the financial support of the National Natural Science Foundation of China (Grant No. 51808033) and the Beijing Engineering and Technology Research Center of Rail Transit Line Safety and Disaster Prevention Open Foundation for Research, No. RRC201902.
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Published In
Journal of Materials in Civil Engineering
Volume 33 • Issue 1 • January 2021
Copyright
© 2020 American Society of Civil Engineers.
History
Received: Feb 15, 2020
Accepted: Jun 23, 2020
Published online: Oct 29, 2020
Published in print: Jan 1, 2021
Discussion open until: Mar 29, 2021
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