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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: Relation Between Hydration of Slag Sand and Mechanical Properties of Concrete
Author(s): Shigeyoshi Nagataki, Makoto Takada,
and Etsuro Sakai
Publication: Special Publication
Appears on pages(s): 1075-1090
Keywords: blast furnace slag; curing; fine aggregates; hydration;
microcracking;pozzolans; tensile strength.
Abstract:The potential hydraulicity of granulated blast-furnace slag sand in concrete governs the characteristics of concrete. Physical properties of concrete, and particularly, the structure of the hydrated layer formed at the surface of the granulated blast-furnace slag sand, the hydration activity of the granulated blast-furnace slag sand and the decline in the mechanical properties after drying of concrete were followed. The physical properties of concrete are influenced by the hydration reaction layers formed around granulated blast-furnace slag sand particles. The strength reduction due to drying may be due to the embrittlement of the hydration reaction layers or the formation of microcracks.
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