Title:
Investigation of a Reaction Involving Nondolomitic Limestone Aggregate in Concrete
Author(s):
Alan D. Buck and W. L. Dolch
Publication:
Journal Proceedings
Volume:
63
Issue:
7
Appears on pages(s):
755-766
Keywords:
aggregate, alkali-carbonate reaction, limestone, chemical reaction, nondolomitic limestone, petrography, research, x-ray analysis.
DOI:
10.14359/7651
Date:
7/1/1966
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.