Early Concrete Strength Determination by Maturity


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Title: Early Concrete Strength Determination by Maturity

Author(s): T. J. Parson

Publication: Special Publication

Volume: 112


Appears on pages(s): 181-192

Keywords: age-strength relation; compressive strength; concretes; concrete slabs; cylinders; models; nondestructive tests; temperature; Materials Research

Date: 1/1/1989

Reports results of an investigation into the use of maturity for predicting early-age concrete strengths. Prediction models were developed from cylinder-test results obtained from twelve concrete mixtures cured under three constant curing conditions. A datum temperature of 25 F (-4 C) was used as it appeared to produce the best results. A prediction model based on estimated ultimate concrete strength was used and found to be independent of curing temperature. However, the estimated ultimate concrete strength value appeared to be dependent on curing temperature. The model was verified by using it to predict concrete strengths obtained from cylinders and slabs cured outdoors.