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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: Concrete Mix Design- A modification of the Fineness Modulus Method
Author(s): Myron A. Swayze and Ernst Gruenwald
Publication: Journal Proceedings
Appears on pages(s): 829-843
Abstract:A comparison of three maximum size gradings of sand-gravel and sand-crushed stone mixtures in concrete has revealed that for each type and size of coarse aggregate a constant value for fineness modulus will be obtained for any workable mixture from lean to rich, if the cement is included in the modulus figures. While trial batches are still recommended for previously unused aggregates the modification proposed for the old fineness modulus method permits the design of equally workable batches of varied cement contents from data on trial mixes of a single cement factor. This materially reduces the number of test batches where a range of cement contents is to be used with a set of aggregates. The method described for calculation of batches compensates for differences in specific gravity of fine and coarse aggregates.
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