SC Concrete Practice Questions - South Carolina Concrete Contractor Examination Exam

Acceptance of specified compressive strength is based primarily on cylinders made and cured under which standards?

ASTM C31 for making/curing and ASTM C39 for compressive testing ASTM C143 for making and ASTM C231 for breaking ASTM C172 only, with no laboratory break ASTM C138 for density used as a strength substitute

Correct Answer:

ASTM C31 for making/curing and ASTM C39 for compressive testing

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