Effects of Minimum Cementitious Paste Volume and Blended Aggregates on Compressive Strength and Surface Resistivity of Portland Limestone Cement Concrete
Publication: Journal of Materials in Civil Engineering
Volume 33, Issue 5
Abstract
Portland limestone cement (PLC) has been used in all classes of concrete in Florida since 2017. In order to comprehensively use PLC, this study investigates the effects of cementitious paste volume (CPV), water to cementitious materials () ratio on PLC concrete mixes with or without incorporation of the blended aggregate optimization (BAO) technique. The prelimary results indicated that CPV and aggregate gradation affected the workability, and ratio mainly influenced strength in PLC concrete. Using a lower CPV can improve the electronic resistance and durability of PLC concrete. The findings of this research can help design the proper PLC concrete mix with low cost and environmental impact.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
Hung-Wen Chung carried out the experiment, analyzed the data, and wrote the manuscript. Mang Tia is Hung-Wen’s thesis advisor and advises Hung-Wen on his research. Both Hung-Wen Chung and Mang Tia contributed to the final version of the manuscript. A compilation of this nature could not have been completed without the help and support of others. FDOT is gratefully acknowledged for providing financial support for this study. FDOT State Materials Office provided the additional testing equipment, materials, and personnel needed for this investigation.
Disclaimer
Any findings, opinions, and conclusions or recommendations expressed in this report are those of the author(s) and do not necessarily reflect the views of the Florida Department of Transportation.
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© 2021 American Society of Civil Engineers.
History
Received: Jun 22, 2020
Accepted: Oct 7, 2020
Published online: Feb 26, 2021
Published in print: May 1, 2021
Discussion open until: Jul 26, 2021
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