Early Age Temperature Effects on Concrete Strength Prediction by the Maturity Method

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Title: Early Age Temperature Effects on Concrete Strength Prediction by the Maturity Method

Author(s): Nicholas J. Carino, H. S. Lew, and Charles K. Volz

Publication: Journal Proceedings

Volume: 80

Issue: 2

Appears on pages(s): 93-101

Keywords: age-strength relation; compressive strength; concretes; curing; cylin-ders; temperature; tests.

Date: 3/1/1983

Abstract:
A comparison was made between the strength-maturity relations of concrete cylinders cured outdoors and cylinders cured in a laboratory. It was found that when early age (assumed as 48 hr) temperatures of the outdoor-cured and laboratory-cured cylinders were similar, the strength-maturity relations were similar despite temperature fluctua-tions experienced by the outdoor-cured specimens. The relations were dissimilar when their early age temperatures differed. Another series of testsfurther investigated and confirmed the importance of early age temperature on the strength-maturity relation.