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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: Flow Cone Sand Tests
Author(s): Robert E. Tobin
Publication: Journal Proceedings
Appears on pages(s): 1-12
Keywords: aggregate gradation; aggregate shape and texture ; air voids; bulk density; density (mass/volume);air voids; bulk density;fine aggregates; fineness modulus: laboratories: lightweight aggregates: mix proportioning; particle size determination;sands;tests.
Abstract:This development in testing and evaluating sand can be easily and quicky applied to any fine aggregate at minimum cost in equipment and time. Based on time-honored principle of the ancient hourglass, many properties of sand that were previously unmeasured can now be readily obtained. Particle shape and angularity together with net solids (or air voids) are evaluated along with the mean particle sizeshowing the relative fitness of the sample. Far simpler than laborious sieve analysis, this test provides considerably more additional and reliable information on the concrete-making properties of any fine aggregate. These include cement and water requirements, finishing charateristics, pumpablity, and other desireable attributes. The test may also be used as a positive method of determing the dry bulk specific gravity of lightweight fine aggregate without using liquid immersion.
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