Browsing by Subject "air voids"
Now showing items 1-2 of 2
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Comparing the variability of sample consolidation methods on low workability concrete
(2020-05)Quality control and assurance testing for concrete provides quantitative information about the quality of the concrete being placed. Yet, improperly consolidating the fresh concrete sample can negatively affect the testing ... -
Measuring Air Void Characteristics of Oklahoma Air- Entrained Concrete using the Air Void Analyzer (AVA) / Analyzing AVA Sources of Error (FHWA-OK-08-03 2128)
(2009-1)The conventional method for measuring the size distribution of air voids in concrete (ASTM C457) requires a technician with highly-specialized training and can only be performed on hardened concrete. Waiting several days ...