Research Article

Influence of the Chemical Composition of Asphalt and the 3D Morphology of the Aggregate on Contact Surface Adhesion

Table 10

Stripping rate of asphalt on the aggregate surface and the adhesion level.

Aggregate typeEvaluation indexAsphalt type
A1A2A3B1B2B3C1C2C3

GraniteAverage stripping rate (%)57.9976.3570.2460.3870.3382.0769.4276.5887.11
Standard deviation13.22235.96943.75774.83765.58746.53203.43757.09642.9095
Adhesion level311211211

BasaltAverage stripping rate (%)21.7346.8230.3419.6859.2261.6923.3435.7157.54
Standard deviation9.44737.02656.88555.86327.97386.99516.81618.02277.8151
Adhesion level645732653

LimestoneAverage stripping rate (%)17.6525.6217.3118.7727.3134.9916.8431.0631.03
Standard deviation6.06365.00295.85976.28776.43617.80597.77158.12868.0201
Adhesion level767765755