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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: Investigation of a Reaction Involving Nondolomitic Limestone Aggregate in Concrete
Author(s): Alan D. Buck and W. L. Dolch
Publication: Journal Proceedings
Appears on pages(s): 755-766
Keywords: aggregate, alkali-carbonate reaction, limestone, chemical reaction, nondolomitic limestone, petrography, research, x-ray analysis.
Abstract:A laboratory investigation was made of a chemical reaction observed as rims on nondolomitic limestone coarse aggregate particles in field concrete. The rims were characterized by a color variation and an increased solubility in acid. Seventeen limestones from 11 sources were used. The reaction was developed in three of the rocks in laboratory test specimens; x-ray diffraction analysis led to a tentative explanation. It was concluded that this reaction could occur with all carbonate rocks in concrete and could contributed to aggregate-paste bond.
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