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Volume 2, Issue 2 (January 1980)

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ISSN: 0149-6123
Page Count: 4

Formula for Calculating Spacing Factor for Entrained Air Voids
Walker, HN
Materials research petrographer, Virginia Highway & Transportation Research Council, Va.

Abstract

A spacing factor only for small voids is derived from the proportion of small voids to total voids. The formula can be used with any method of air determination in hardened concrete that includes denominating some voids as large and some as small. The formula is not dependent on the size criterion used. A graphic method of estimating the spacing factors is given: ¯L for total voids and ¯Ls for the proportion of small voids.



Keywords:
concretes, air, voids, concrete durability, spacing factor

Paper ID: CCA10183J
DOI: 10.1520/CCA10183J
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Author Title Formula for Calculating Spacing Factor for Entrained Air Voids Symposium , 0000-00-00 Committee C09