AS 3583.6:2018 PDF
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Methods of test for supplementary cementitious materials, Method 6: Determination of relative water requirement and strength index
Standards Australia , 05/14/2018
AS 3583.6:2018 PDF
This Standard sets out the reference method for determining the relative water requirement and two methods, one the standard test and the other an accelerated test, for determining the strength index of fly ash and slag only.
This Standard sets out the reference method for determining the relative water requirement and two methods, one the standard test and the other an accelerated test, for determining the strength index of fly ash and slag only. Both properties are determined by comparing results for a test sample mortar with results for a General Purpose cement mortar. The methods do not provide a basis for comparison between different types of supplementary cementitious materials because of the differing total binder volumes used with each. Also, since the performance of these materials is affected by interaction with the cement, the test results for a given sample are dependent upon the properties of the cement used. The results for relative water requirement and strength index should not be used to infer potential concrete performance.
Relative water requirement and strength index for amorphous silica should be performed according to the appropriate method given in ASTM C1240 Standard Specification for Silica Fume Used in Cementitious Mixtures.
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