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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: Specific Surface of Aggregates Related to
Compressive and Flexural Strength of Concrete
Author(s): B. G. Singh
Publication: Journal Proceedings
Appears on pages(s): 897-907
Keywords: no keywords
Abstract:Concrete strength depends on both W/C and specific surface of aggregate. For constant mix proportions, increased specific surface causes decrease in amount of cement relative to surface of aggregate, leaving more voids around surface of aggregate particles. With other mix proportions held constant, aa specific surface’ increased both compressive strength and modulus of rupture tested lower at any given W/C. When compressive strength is plotted against a factor based on W/C, specific surface of aggregate, and aggregate-cement ratio, a single curve is obtained. A similar factor +, is developed for flexural strength. A further adjustment is required, in part related to the greater ab-sorption of water in the leaner mixes.
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