Creep Characterization of Concrete Suffering Initial Damage
Publication: Journal of Materials in Civil Engineering
Volume 35, Issue 6
Abstract
This work studies the creep characteristics of concrete sustaining initial damage by considering both the initial damage to concrete and the damage caused by crack growth in the creep process. The damage state of concrete is characterized by the characteristics of the amplitude of ultrasonic waves. Creep tests on concrete prisms with different degrees of initial damage were carried out at loads of 40%, 50%, and 60% compressive strength. The results show that the initial damage to concrete significantly impacts its creep behavior. The modified creep curve of concrete, including the initial damage variable, is consistent with the creep curve of undamaged concrete at different stress levels, proving the applicability of the damage variable.
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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 work was supported by Sichuan Provincial Science and Technology Department Regional Innovation Cooperation Project (2022YFQ0048) and National Natural Science Foundation of China (51878610 and 51820105012).
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Information & Authors
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Published In
Journal of Materials in Civil Engineering
Volume 35 • Issue 6 • June 2023
Copyright
© 2023 American Society of Civil Engineers.
History
Received: May 8, 2022
Accepted: Sep 13, 2022
Published online: Mar 22, 2023
Published in print: Jun 1, 2023
Discussion open until: Aug 22, 2023
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