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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: Aggregate Particle Shape Considerations
Author(s): Gary R. Mass
Publication: Concrete International
Appears on pages(s): 23-29
Keywords: aggregates; aggregate shape and texture; coarse aggregates; crushed stone; fine aggregates; quality control; specifications.
Abstract:Aggregate particle shape was a major consideration for the Bath County Pumped Storage Project under construction in Virginia. An extensive design stage investigation was made of the potential quarry source and of various types of aggregate manufacturing equipment. Particle shape of manufactured fine aggregate and 3/4 in. to No. 4 size range coarse aggregate was evaluated by methods based on loose voids as an indication of shape characteristics. From these design studies, specification and quality control requirements were selected and guidance was provided in selection of aggregate plant equipment. During construction particle shape was monitored. A statistical analysis of the test results to date shows that particle shape has been maintained within the specification requirements. It also indicates the variation in particle shape test results which might be expected during normal production. The considerations given to particle shape have contributed to the highquality concrete that has been achieved on this pro- . ject .
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