Carbonation-Porosity-Strength Model for Fly Ash Concrete
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Volume 16, Issue 1
Abstract
The potential of a concrete for carbonation can be assessed effectively by measuring its carbonation depth using an accelerated carbonation testing. This paper reports the findings of a laboratory study including compressive strength, accelerated carbonation depth, and porosity properties of concrete mixtures made with fly ash and normal portland cement. The study involves two replacement ratios of fly ash, various water-to-cement ratios, use of superplasticizer, two curing conditions, and four concrete ages. Statistical models that relate accelerated carbonation depth to strength and porosity are presented.
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References
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Copyright © 2004 American Society of Civil Engineers.
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Received: Mar 25, 2002
Accepted: Jan 2, 2003
Published online: Jan 16, 2004
Published in print: Feb 2004
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