Published: Jan 1956
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This paper comprises a brief review of the role of air-entraining admixtures on the purposeful entrainment of air in concrete and mortars; the optimum air content and factors which influence its development; tests made to determine the presence of entrained air in plastic concrete; and the significance of the standard laboratory tests made to evaluate air-entraining admixtures.
Technical Director, Marquette Cement Manufacturing Company, Chicago, Ill.
Paper ID: STP39449S