Estimating Later Age Strengths of Concrete

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Title: Estimating Later Age Strengths of Concrete

Author(s): John R. Smith

Publication: Journal Proceedings

Volume: 81

Issue: 6

Appears on pages(s): 609-612

Keywords: accelerated tests; age-strength relation; compressive strength;mix proportioning; predictions; standard deviation; tests.

Date: 11/1/1984

Abstract:
Guidance is provided for predicting later age (28-day) strengths using STM C 918, "Developing Early Age Compression Test Values and rejecting Later Age Strengths", and in interpreting test results through examples. ASTM C 918 provides an early indication a concrete’s probable strength. Additionally, it also suggests how projected controls may be initiated before 28-day data is available.