Powder Characteristics and Cementitious Properties of Steel Slag Used as Supplementary Cementitious Materials

Zai Bo Li; Tu Sheng He; Xu Guang Zhao; San Yin Zhao

doi:10.4028/www.scientific.net/MSF.893.384

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HomeMaterials Science ForumMaterials Science Forum Vol. 893Powder Characteristics and Cementitious Properties...

Powder Characteristics and Cementitious Properties of Steel Slag Used as Supplementary Cementitious Materials

Abstract:

Powder characteristics and granule morphology of steel slag cooled by water-quenching and air splashing were observed with SEM and their rest angle, compressed density and mechanical characteristics were measured. The result shows that particle sphericity of air splashing steel slag is lower than that of water-quenching steel slag. A compressive stress has a more effective on the deaggregation of water-quenching steel slag powder. Both of the two steel slag powders are typical Coulomb powder. Compared with the water-quenching steel slag powder, air splashing steel slag powder has a higher internal friction angle and cohesiveness. The cementitious activity of BOFS Powder can only meets the standard of the second grade powder according to the Chinese National Standards.

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Periodical:

Materials Science Forum (Volume 893)

Pages:

384-388

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.893.384

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Online since:

March 2017

Authors:

Zai Bo Li, Tu Sheng He*, Xu Guang Zhao, San Yin Zhao

Keywords:

Building Materials, Cementitious Properties, Powder Characteristics, Steel Slag, Supplementary Cementitious Materials

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