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A mathematical model to predict the porosity and compressive strength of pervious concrete based on the aggregate size, aggregate-to-cement ratio and compaction effort

A mathematical model to predict the porosity and compressive strength of pervious concrete based... The purpose of this study is to explore how characteristics of pervious concrete, such as porosity and compressive strength, are affected by three factors: aggregate size, aggregate-to-cement ratio and compaction effort. The study used three aggregate sizes (5–12 mm, 12–18 mm and 18–25 mm), five different aggregate-to-cement ratios (3.0, 3.5, 4.0, 4.5 and 5.0) and seven different levels of compaction effort (0, 15, 30, 45, 60, 75 and 90 blows). A total of 15 mix designs were used to cast 630 pervious concrete cubes, which were then tested for porosity and compressive strength. The test data were analysed to establish mathematical relationships between the three factors and the two characteristics of pervious concrete. The models accurately predicted the porosity and compressive strength based on the aggregate size, aggregate-to-cement ratio and compaction effort. These models can be useful for practitioners and researchers in optimizing pervious concrete mix designs for various applications. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Asian Journal of Civil Engineering Springer Journals

A mathematical model to predict the porosity and compressive strength of pervious concrete based on the aggregate size, aggregate-to-cement ratio and compaction effort

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References (48)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
1563-0854
eISSN
2522-011X
DOI
10.1007/s42107-023-00757-4
Publisher site
See Article on Publisher Site

Abstract

The purpose of this study is to explore how characteristics of pervious concrete, such as porosity and compressive strength, are affected by three factors: aggregate size, aggregate-to-cement ratio and compaction effort. The study used three aggregate sizes (5–12 mm, 12–18 mm and 18–25 mm), five different aggregate-to-cement ratios (3.0, 3.5, 4.0, 4.5 and 5.0) and seven different levels of compaction effort (0, 15, 30, 45, 60, 75 and 90 blows). A total of 15 mix designs were used to cast 630 pervious concrete cubes, which were then tested for porosity and compressive strength. The test data were analysed to establish mathematical relationships between the three factors and the two characteristics of pervious concrete. The models accurately predicted the porosity and compressive strength based on the aggregate size, aggregate-to-cement ratio and compaction effort. These models can be useful for practitioners and researchers in optimizing pervious concrete mix designs for various applications.

Journal

Asian Journal of Civil EngineeringSpringer Journals

Published: Jan 1, 2024

Keywords: Pervious concrete; Compaction; Aggregate size; Porosity; Compressive strength

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