The purpose of this standard is to identify the presence of harmful clays of the smectite group (poor quality 75-m material) and to provide an indication of the surface activity of the aggregate.
AASHTO TP 57-06
Original price was: $120.00.$60.00Current price is: $60.00.
Standard Method of Test for The Qualitative Detection of Harmful Clays of the Smectite Group in Aggregates Using Methylene Blue
American Association of State Highway and Transportation Officials , 01/01/2006