Preparation of Cementitious Material with High Dosage of Low-Alkalinity Steel Slag

Jiang Zhu; Guo Zhong Li

doi:10.4028/www.scientific.net/AMR.648.100

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 648Preparation of Cementitious Material with High...

Preparation of Cementitious Material with High Dosage of Low-Alkalinity Steel Slag

Abstract:

Low-alkalinity steel slag was mixed with FGD gypsum to make the gypsum based cementing material of low-alkalinity steel slag, by adding some appropriate activators. Mechanism of each component was discussed. Results show that, when steel slag-to-FGD gypsum is 1, the initial setting time is greatly shortened to 6min and the final to 9min. Flexural strengths of 2h, 1d and 7d are followed with 2.21MPa, 2.03MPa and 3.59MPa, while the compressive of 2h, 1d and 7d are 5.06MPa, 4.70MPa and 12.55MPa.

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Periodical:

Advanced Materials Research (Volume 648)

Pages:

100-103

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.648.100

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Online since:

January 2013

Authors:

Jiang Zhu, Guo Zhong Li

Keywords:

Cementitious Material, FGD Gypsum, Industrial Residue, Low-Alkalinity Steel Slag

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