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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Alkali-aggregate Reactivity of Ferronickel-Slag Aggregate Concrete
Author(s): F. Tomosawa, S. Nagataki, T. Kajiwara
and M. Yokoyama
Publication: Special Publication
Appears on pages(s): 1591-1602
Keywords: Alkali-aggregate reactions; blast furnace slag; fine aggregates; fly ash;
Abstract:Ferronickel slag is a by-product produced when refining ferronickel from nickel ores. Investigations were conducted for a long time to use this hard slag as aggregate in concrete, and it was standardized in October 1992 as JIS A 5011 (Slag aggregate for concrete). However, one of the types produced in Japan was excluded from the standard, as it was alkali-aggregate reactive. The authors applied various measures specified in other standards to suppress reactivity of this type of ferronickel-slag aggregate, and experimentally confirmed that the following measures are effective: (i) the use of low-alkali cement, (ii) addition of fly ash, and (iii) addition of ground granulated blast-furnace slag.
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