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Q. Is density a good indicator of air content? A. Yes. Density tests on freshly mixed concrete provide information on the level of air content (ASTM C138). Because air content has a large effect on the properties of concrete, density tests provide additional useful information to the air meter measurements. References: SP-1(02); ASTM C138 Topics in Concrete: Cold Weather; Concrete Fundamentals; Testing of Concrete
Q. Is density a good indicator of air content?
A. Yes. Density tests on freshly mixed concrete provide information on the level of air content (ASTM C138). Because air content has a large effect on the properties of concrete, density tests provide additional useful information to the air meter measurements.
References: SP-1(02); ASTM C138
Topics in Concrete: Cold Weather; Concrete Fundamentals; Testing of Concrete