AASHTO TP 139-2020 Standard Method of Test for Determining the Relative Density (Specific Gravity) and Absorption of Lightweight Aggregate for Internally Cured Concrete Mixtures
The American Road & Transportation Builders Association
Latest
AASHTO TP 139-2020
AASHTO TP 139-2020 history
1970AASHTO TP 139-2020 Standard Method of Test for Determining the Relative Density (Specific Gravity) and Absorption of Lightweight Aggregate for Internally Cured Concrete Mixtures