Steel slags in cement-based composites : an ultimate review on characterization, applications and performance.
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Date
2021
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Abstract
Steel slags are by-products generated in high volumes in the steel industry. Their main constituents are
calcium, silicon, ferric, aluminum, and magnesium oxides. Larnite, alite, brownmillerite, and ferrite are
also found. The presence of expansive compounds cause concern when used in cement-based compos-
ites; however, mitigating routes have been proposed. Activation techniques improve the binding proper-
ties of steel slag powder, potentiating its use as a supplementary cementitious material (SCM). As an
aggregate, steel slag presents good morphological and mechanical properties. Promising mechanical
and durability performances in cement-based composites encourage further research to promote the
use of steel slag.
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Keywords
Basic oxygen furnace slag - BOFS, Electric arc furnace slag - EAFS, Recycled aggregates, Supplementary cementitious material - SCM
Citation
MARTINS, A. C. P. et al. Steel slags in cement-based composites: an ultimate review on characterization, applications and performance. Construction and Building Materials, v. 291, 2021. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0950061821010254>. Acesso em: 29 abr. 2022.