ASTM C33 Method for Standard Specification for Concrete Aggregates
ASTM C33 Method determines fine and coarse aggregate use in concrete. Fine aggregate consists of natural sand, manufactured sand, or a combination of both, and it is also free of dangerous amounts of organic impurities. Coarse aggregate consists of gravel, crushed gravel, crushed stone, air-cooled blast furnace slag, crushed hydraulic-cement concrete, or a combination thereof, conforming to the requirements of this specification.
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