This European Standard specifies the method for determining the polished stone value (PSV) of a coarse aggregate used in road surfacings. An optional method for the determination of the aggregate abrasion value (AAV) which gives a measure of the resistance of aggregate to surface wear by abrasion under traffic is specified in annex A.
NOTE The AAV method should be used when particular types of skid resistant aggregates (typically those with a PSV of 60 or greater) which can be susceptible to abrasion under traffic, are required.