What standards must Portland cement conform to?

Portland cement must conform to ASTM C150, which outlines the specifications for Portland cement, including requirements for chemical composition, physical properties, and testing methods. This standard ensures that the cement produced meets quality and performance expectations for construction applications.

ASTM C33 specifies the requirements for fine and coarse aggregate used in concrete, which is essential for ensuring the overall strength and durability of the concrete mix but does not specifically pertain to Portland cement itself.

By conforming to both ASTM C150 and ASTM C33, a structure can ensure that not only the cement is of appropriate quality but also that the aggregates used alongside it meet the necessary standards for effective concrete construction. This combination is critical for achieving reliable and durable concrete performance in a variety of structural applications.