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

Table 6

Evaluation of the shape characteristics of typical aggregate samples.

No.	1	2	3	4	5	6	7	8
Aggregate particles
Solid model of aggregate
Sphericity index S	0.68	0.73	0.82	0.89	0.88	0.79	0.76	0.72
Shape factor SF	1.37	1.23	1.10	1.01	0.99	0.84	0.78	0.71