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

Figure 13

Influence of 3D morphology of the aggregate on adhesion of the aggregate and asphalt. (a) Correlation between the shape characteristics and the spalling rate of the granite aggregates. (b) Correlation between the angularity characteristics and the spalling rate of the granite aggregate. (c) Correlation between the roughness characteristics and the spalling rate of the granite aggregate. (d). Correlation between the shape characteristics and the spalling rate of the basalt aggregate.(e) Correlation between the angularity characteristics and the spalling rate of the basalt aggregate.(f) Correlation between the roughness characteristics and the spalling rate of the basalt aggregate. (g) Correlation between the shape characteristics and the spalling rate of the limestone aggregate. (h) Correlation between the angularity characteristics and the spalling rate of the limestone aggregate.(i) Correlation between the roughness characteristics and the spalling rate of the limestone aggregate.

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