Study on the Effect of Waste Gypsum on Hardening Paste Structure and Performances of Lime-Fly Ash

Abstract:

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Based on the experiments, the effect of waste gypsum on the formation of paste structure, the early strength and the stability of lime-fly ash is discussed in the article. As is shown by the results, the early strength of paste was improved by adding waste gypsum into lime-fly ash. The stability of lime-fly ash paste modified by waste gypsum could meet technical requirements when waste gypsum admixture was less than 40%. With the increase of hydration age, the number of ettringite (AFt) and C-S-H gel in paste would increase.

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Periodical:

Edited by:

Zhang Yushu

Pages:

31-34

DOI:

10.4028/www.scientific.net/AMR.213.31

Citation:

J. Y. Sun and Y. D. Xu, "Study on the Effect of Waste Gypsum on Hardening Paste Structure and Performances of Lime-Fly Ash", Advanced Materials Research, Vol. 213, pp. 31-34, 2011

Online since:

February 2011

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Price:

$35.00

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