Research on Improving the Durability of Fly Ash Concrete

Abstract:

The purpose of this study was to improve the durability of fly ash concrete. As a result, by making fly ash concrete into non-air-entraining type and using durability improving admixture, the compressive strength of fly ash concrete increases 10%~30%, reducing initial compressive strength defects; drying shrinkage is controlled at 60% compared to when the mixture is not added; carbonation of fly ash concrete can be considered roughly proportional to water-cement ratio regardless of water-binder ratio or fly ash replacementratio; the freeze damage resistance improves for 2 weeks curing in air (drying process). Finally, by making fly ash concrete from non-air entraining type and using durability improving admixture, the difficulty of controlling air content in fly ash concrete is reduced and quality management is simplified.

• Periodical: Advanced Materials Research (Volumes 250-253)
• Pages: 626-629
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.250-253.626
• Online since: May 2011
• Authors: Hong Zhu Quan
• Keywords: Air-Entraining Capability, Durability, Durability Improving Admixture, Fly Ash (FA)

References

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DOI: 10.4028/www.scientific.net/amr.168-170.2195

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