Activity Index of Steel Slag-GGBS Composite Mineral Admixture at Different W/B Ratios

Xin Li; Qiang Wang; Shu Hua Liu

doi:10.4028/www.scientific.net/AMM.584-586.1541

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 584-586Activity Index of Steel Slag-GGBS Composite...

Activity Index of Steel Slag-GGBS Composite Mineral Admixture at Different W/B Ratios

Abstract:

The activity index of steel slag-GGBS composite mineral admixture with different steel slag contents at the W/B of 0.3, 0.4, and 0.5 was investigated. The results show that the activity index of the composite mineral admixture with higher GGBS content is larger, and this phenomenon is more obvious at later ages. At lower W/B, the gap of activity index of different composite mineral admixtures is smaller. The activity index of each composite mineral admixture is higher at lower W/B and at later age. The steel slag-GGBS composite mineral admixture is more suitable to be used in high strength concrete than in low strength concrete. As far as the long-term properties of concrete are concerned, the activity index of the composite mineral admixture at the late age should be adopted.

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Periodical:

Applied Mechanics and Materials (Volumes 584-586)

Pages:

1541-1544

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.584-586.1541

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Online since:

July 2014

Authors:

Xin Li, Qiang Wang*, Shu Hua Liu

Keywords:

Activity Index, Ground Granulated Blast Furnace Slag, Steel Slag, Water to Binder Ratio

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