The American Road & Transportation Builders Association
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AASHTO T 325-2004
Scope
This standard provides procedures for estimating concrete strength in roads, bridges, and other
transportation structures through the use of a maturity index.
AASHTO T 325-2004 history
2004AASHTO T 325-2004 Standard Method of Test for Estimating the Strength of Concrete in Transportation Construction by Maturity Tests