AASHTO T 195-18

AASHTO T 195-18 Standard Method of Test for Determining Degree of Particle Coating of Bituminous-Aggregate Mixtures (ASTM Designation: D2489/D2489M-16)

standard by American Association of State and Highway Transportation Officials, 2018

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AASHTO T 195-18 method covers determination of the degree of particle coating in a bituminous-aggregate mix, on the basis of the percentage of coarse aggregate particles that are completely coated. Determination of the percentages of coated particles for varying mixing times may be used to establish the least mixing time required to produce satisfactory coating of the aggregate for a given set of conditions. This test method applies to mixtures containing aggregate of a nominal maximum aggregate size less than 38 mm (1 in).