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AASHTO T 121M/T 121-19
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AASHTO T 121M/T 121-19 Standard Method of Test for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete (ASTM Designation: C138/C138M-10a)
standard by American Association of State and Highway Transportation Officials, 2019
Full Description
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.
M00001112
2021-03-02
New product
AASHTO T 121M/T 121-19 Standard Method of Test for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete (ASTM Designation: C138/C138M-10a)
standard by American Association of State and Highway Transportation Officials, 2019