Phenolic-Resin-Impregnated Ryukyu Limestone Aggregates: Innovative Approach to Improving Concrete Performance
Publication: Practice Periodical on Structural Design and Construction
Volume 28, Issue 4
Abstract
Ryukyu limestone, which is distributed widely in the Ryukyu Islands, Japan, may be unsuitable for use as coarse aggregates for concrete because of its high water absorption rate and low strength. This study experimentally investigated whether it is possible to reduce the water absorption rate of crushed Ryukyu limestone aggregates (CRLAs) by impregnating them with phenol resin, and investigated the mechanical characteristic of concrete using the CRLAs impregnated with phenolic resin as coarse aggregates. Repeating the impregnation with phenolic resin twice can reduce the water absorption rate of CRLAs to 3.0% or less. Furthermore, the compressive strength and splitting tensile strength of concrete utilizing the impregnated CRLAs as coarse aggregates can be similar to the corresponding strengths of concrete using ordinary crushed limestone aggregates.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published paper.
Acknowledgments
The authors thank Keisuke Hidaka and Kaichiro Gunji, who are former undergraduate students in the National Defense Academy, Japan, for their assistance in performing this study.
References
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Information & Authors
Information
Published In
Practice Periodical on Structural Design and Construction
Volume 28 • Issue 4 • November 2023
Copyright
© 2023 American Society of Civil Engineers.
History
Received: Oct 27, 2022
Accepted: Jul 19, 2023
Published online: Sep 7, 2023
Published in print: Nov 1, 2023
Discussion open until: Feb 7, 2024
ASCE Technical Topics:
- Absorption
- Aggregates
- Chemical processes
- Chemicals
- Chemistry
- Compressive strength
- Concrete
- Engineering materials (by type)
- Environmental engineering
- Infrastructure
- Limestone
- Material mechanics
- Material properties
- Materials engineering
- Organic compounds
- Pavements
- Phenol
- Sorption
- Stones
- Strength of materials
- Tensile strength
- Transportation engineering
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