ASTM C138/C138M-16a
- Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
- standard by ASTM International, 08/01/2016
- Category: ASTM
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1.1 This test method covers determination of the density (see Note 1) of freshly mixed concrete and gives formulas for calculating the yield, cement content, and air content of the concrete. Yield is defined as the volume of concrete produced from a mixture of known quantities of the component materials.
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