Test Database for Corroded Prestressing Steel Strands Recovered from Aged Bridges
Publication: Journal of Materials in Civil Engineering
Volume 35, Issue 2
Abstract
To evaluate the structural safety of corroded prestressed concrete structures, it is necessary to define the deteriorated mechanical behaviors of corroded prestressing steel strands. However, no standard provides a quantified relationship between the level of corrosion and the residual mechanical properties, and no consensus for such quantification has been reached. The aim of this study was to provide a test database for the residual mechanical properties of corroded prestressing steel strands. Strands recovered from aged bridges were naturally corroded, and an evaluation method for the corrosion level was suggested. In addition, corrosion assessment criteria were suggested based on characteristics of the corrosion appearance.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
This study was supported by a Grant (21SCIP-B128570-05) from the Smart Civil Infrastructure Research Program funded by the Ministry of Land, Infrastructure and Transport (MOLIT) of the Korean government and the Korea Agency for Infrastructure Technology Advancement (KAIA), and this study was also supported by the Chung-Ang University Young Scientist Scholarship in 2020.
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Published In
Journal of Materials in Civil Engineering
Volume 35 • Issue 2 • February 2023
Copyright
© 2022 American Society of Civil Engineers.
History
Received: Dec 14, 2021
Accepted: May 6, 2022
Published online: Nov 25, 2022
Published in print: Feb 1, 2023
Discussion open until: Apr 25, 2023
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