ASTM C918
Full Name
ASTM C918 – Standard Test Method for Measuring Early-Age Compressive Strength and Projecting Later-Age Strength
Scope
This test method covers a procedure for making and curing concrete specimens and for testing them at an early age.
The specimens are stored under standard or accelerated curing conditions and the measured temperature history is used to compute a maturity index that is related to strength gain.
Keywords
compressive strength; early-age strength; maturity; potential strength; projected strength