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

Abstract:

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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.

Info:

Periodical:

Advanced Materials Research (Volumes 233-235)

Edited by:

Zhong Cao, Lixian Sun, Xueqiang Cao, Yinghe He

Pages:

2305-2309

DOI:

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

Citation:

Q. J. Ding et al., "Effect of Large Amount of Fly Ash on Hydration Process of Portland Cement at the Early Stage", Advanced Materials Research, Vols. 233-235, pp. 2305-2309, 2011

Online since:

May 2011

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Price:

$35.00

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