Effect of Large Amount of Fly Ash on Hydration Process of Portland Cement at the Early Stage

Qing Jun Ding; Ji Yu Han; Xiu Lin Huang

doi:10.4028/www.scientific.net/AMR.233-235.2305

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 233-235Effect of Large Amount of Fly Ash on Hydration...

Effect of Large Amount of Fly Ash on Hydration Process of Portland Cement at the Early Stage

Abstract:

In this article, through the measurements on neat cement paste strength and heat of hydration at the early stage and using several analytical methods including XRD and SEM, effect of large amount of fly ash on the hydration process and cement's hardening mechanism of portland cement was studied when water to binder ratio is 0.35 and fly ash content is between 20% and 50%.The research outcomes find that the pozzolanic activities of fly ash are not good at the early stage.The more the content of fly ash was, the bigger the effect on strength would be.

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Periodical:

Advanced Materials Research (Volumes 233-235)

Pages:

2305-2309

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.233-235.2305

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Online since:

May 2011

Authors:

Qing Jun Ding, Ji Yu Han, Xiu Lin Huang

Keywords:

Cement, Fly Ash (FA), Pozzolanic Activity, Strength

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References

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