Answer :
Final answer:
The ASTM standard for obtaining a sample of concrete in this test method is ASTM C172, which provides guidelines for sampling freshly mixed concrete for testing purposes.
Explanation:
This standard provides detailed guidance on the correct procedure for obtaining a representative sample of freshly mixed concrete for testing purposes. It covers aspects such as equipment, sampling locations, and the number of samples needed.
Following ASTM C172 ensures that the sample obtained is of high quality and accurately represents the batch of concrete being tested.
Learn more about ASTM C172 here:
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