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AASHTO T 121M/T 121 PDF download
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Standard Method of Test for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete (ASTM Designation: C138/C138M-10a)
| Published by | Publication Date | Number of Pages |
| AASHTO | 2019 | 8 |
AASHTO T 121M/T 121 – Standard Method of Test for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete (ASTM Designation: C138/C138M-10a)
AASHTO T 121M/T 121-19 covers determination of the density of freshly mixed concrete and gives formulas for calculating the yield, cement content, and the air content of the concrete. “Yield” is defined as the volume of concrete produced from a mixture of known quantities of the component materials.
Nonplastic concrete, such as is commonly used in the manufacture of pipe and unit masonry, is not covered by this test method.
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