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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 Applied to Mix Proportioning
Author(s): B. G. Singh
Publication: Journal Proceedings
Appears on pages(s): 893-901
Keywords: no keywords
Abstract:Suggested Proportioning Method, applicable to both continuous and gap-graded aggregates, uses specific surface of aggregate as an index of grading. Two charts are offered for use with this method. After selecting the W/C ratio to give a required strength, the first chart is used to choose an aggregate-cement ratio that will give desired consistency at the selected W/C. Froin the second chart a specific surface corresponding to the aggregate-cement ratio is chosen to allow for slightly higher or lower sand content . The Fine and coarse aggregate are combined (as illustrated) to give the required specific surface. Charts are for irregular, 3/4 in. maximum size aggregate, but charts for proportioning with other types and sizes of aggregate may be similarly developed.
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