This test method covers the determination of the relative density (specific gravity) in the field or laboratory of lightweight aggregate for internally cured concrete mixtures.
AASHTO TP 139-20
Original price was: $78.00.$39.00Current price is: $39.00.
Standard Method of Test for Determining the Relative Density (Specific Gravity) and Absorption of Lightweight Aggregate for Internally Cured Concrete Mixtures
American Association of State Highway and Transportation Officials , 2020