Method of Measuring Sand Particle Character and Its Application to Proportioning Concrete

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Title: Method of Measuring Sand Particle Character and Its Application to Proportioning Concrete

Author(s): Makoto Kagaya, Hiroshi Tokuda, Makoto Kawakami, and Masami Shoya

Publication: Journal Proceedings

Volume: 80

Issue: 3

Appears on pages(s): 229-234

Keywords: aggregate gradation; aggregate shape and texture; aggregate size; concretes; consistancy tests; mix proportioning; sands; slump tests; water-cement ratio; water content.

Date: 5/1/1983

Abstract:
A simple test method to measure all-inclusive sand particle character such as grading, shape, surface area, and surface texture of particle proposed. The character evaluated quantitatively by parameter a has a great influence on unit water content of concrete. The increase of unit water content with the increase in parameter a was observedfor a given slump and water-cement ratio. The concrete mixtures used different sands that can be proportioned by use of the relation between the parameter a and unit water content.