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http://dx.doi.org/10.15683/kosdi.2014.10.4.566

A Study on the Concrete Durability by Fly Ash Replacement Ratio  

Kim, Dongbaek (Department of Civil, Safety&Environmental Engineering, Hnakyeong National University)
Lee, Kwangjae (Department of Civil, Safety&Environmental Engineering, Hnakyeong National University)
Publication Information
Journal of the Society of Disaster Information / v.10, no.4, 2014 , pp. 566-571 More about this Journal
Abstract
Recently, with concentrated social and engineering interests on durability, diversified subsequent researches have been progressed. The Chloride-induced corrosion, carbonation, freeze-thaw etc, deterioration factors of concrete act to concrete not privately but complexly, Fly ash is most frequently used admixture which is using a reduction method of deterioration. And the fly ash effects on improvement of durability with enhancement of fluidity, decrease of crack with reduction of hydration heat, promotion of long-age strength and have a economic advantage which replaces cement as a binding material. But, fly ash have different qualities and occasionally reduce the durability and strength by adhesion of AE admixture with unburned carbon powder etc. In this study, the experiments will take about various replacement ratio of fly ash concrete, and will analyze, consider the results, after these will verify applicability and validity as admixture and binding material.
Keywords
durability; deterioration; carbonation; various mixture ratio; binding material;
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