ISSN: 0149-6123
Page Count: 3

Anisotropy of Concrete Strength
Leshchinsky, AM
Senior scientific associate, Research Institute for Structural Elements,

Abstract

Results obtained by numerous researchers concerning concrete strength anisotropy are analyzed. In some cases, the researchers have found that the compressive strength of specimens loaded at a right angle to a direction of concrete placing, f′c, is greater than for those loaded parallel to the above direction, f″c; in other cases, it is lower. This fact has been elucidated. In the cases where anisotropy is caused by the “internal” mix segregation, we come across f′c/f″c > 1; when the cause is in the “external” mix segregation, the result is f′c/f″c < 1. Given are recommendations for taking into account such anisotropy in core testing.

Keywords:
compressive strength, anisotropy, mix segregation

Paper ID: CCA10280J
DOI: 10.1520/CCA10280J
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