Provisional standard AASHTO TP 81 has been adopted as a full standard test, AASHTO T 381.
AASHTO TP 81-12 (2017)
Original price was: $285.00.$142.00Current price is: $142.00.
Standard Method of Test for Determining Aggregate Shape Properties by Means of Digital Image Analysis
American Association of State Highway and Transportation Officials , 2012