Relation of 7-Day to 28-Day Compressive Strength of Mortar and Concrete

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Title: Relation of 7-Day to 28-Day Compressive Strength of Mortar and Concrete

Author(s): W.A. Slater

Publication: Journal Proceedings

Volume: 22

Issue: 2

Appears on pages(s): 437-449

Keywords: none

Date: 2/1/1926

Abstract:
There seems to be a widespread belief that there is little relation between the strength of concrete at an age of 7 days and that at 28 days. This belief stands in the way of using the 7-day strength as a criterion for determining whether concrete on construction work will acquire at a later date the strength required by the design.