Topology Optimization-Based Reinforced Concrete Beams: Design and Experiment
Publication: Journal of Structural Engineering
Volume 148, Issue 10
Abstract
Though topology optimization has been around for nearly 3 decades, its application in the design of RC structures still is a concern, not only because of the lack of a definite procedure, but also because of the lack of supporting and reassuring experimental evidence. This paper presents a practical integration of topology optimization to the design of RC beams with experimental validation. Concrete and steel reinforcement profiles based on two-material topology optimization were considered as a form suggestion and used for design guidance. The design was refined constantly to alleviate any stress and deflection violations, and the beam successively evolved. A supporting experiment verified that a reduction of approximately 30% in concrete can be achieved while all the relevant design requirements remained satisfied and integrity was maintained, with more than 3 times the beam’s service capacity reserved.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
Funding for this research was provided by the Thailand National Research Council through the Kasetsart University Research and Development Institute (KURDI), Bangkok, Thailand. The Faculty of Engineering and the Faculty of Architecture at Kasetsart University facilitated project execution. The Civil Engineering Department provided laboratory space and time in their newly opened laboratory.
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© 2022 American Society of Civil Engineers.
History
Received: Dec 2, 2021
Accepted: May 20, 2022
Published online: Jul 23, 2022
Published in print: Oct 1, 2022
Discussion open until: Dec 23, 2022
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