Differences in the accuracy of test methods in the field of testing aggregate and determination of their causes
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The article is based on the authors’ many years of experience in providing laboratory proficiency testing including organization of proficiency testing by interlaboratory comparison. In the introduction are compared the basic tests in the field of aggregates, based on their coefficient of variation. Another part details the influence of each testing stage (sampling, sample preparation and the test itself) on the accuracy of the test results and proposes possible measures to reduce their variance.
Document typePeer reviewed
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SourceIOP Conference Series: Materials Science and Engineering. 2018, vol. 385, issue 1, p. 1-8.