Development of High-Performance Foamed Concrete with Lightweight Aggregates for Structural Use
Publication: Journal of Materials in Civil Engineering
Volume 35, Issue 2
Abstract
Lightweight concrete is applicable to skyscrapers and structures with a large size or long span, as well as the fabrication of reinforced concrete units in modular construction. With reduced self-weight, it is essential to maintain sufficient mechanical strength to avoid the increase in structural member size that lowers the efficiency in space utilization and headroom. In this study, by incorporating lightweight aggregate sourced from industrial by-products into foamed concrete, an experimental program was conducted to develop a lightweight concrete mix that has strength-to-density ratio superior to existing mixes reported in the literature. Scanning electron microscopy was performed to understand the rationale behind the improvement.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
The support of this study by the Hong Kong Research Grant Council through the Research Impact Fund (Grant No. R7027-18) is gratefully acknowledged. The first author would also like to acknowledge the support of her doctoral study by the Hong Kong Ph.D. Fellowship.
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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 5, 2021
Accepted: May 16, 2022
Published online: Nov 24, 2022
Published in print: Feb 1, 2023
Discussion open until: Apr 24, 2023
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