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

Table 9

The change in the roughness with increasing polishing time.

Polishing time (h)	Number of aggregate samples	Granite			Basalt			Limestone
		Max	Min	Average	Max	Min	Average	Max	Min	Average
0.0	20	13.6	9.7	11.5	15.7	11.0	13.1	18.3	11.1	15.8
0.5	20	13.1	9.5	11.0	15.1	10.5	12.4	16.01	9.63	14.1
1.0	20	12.9	9.2	10.7	14.4	10.2	12.1	14.85	8.77	12.4
1.5	20	12.8	9.1	10.5	13.9	10.0	11.8	14.09	8.08	11.1
2.0	20	12.5	9.2	10.4	13.3	10.0	11.4	13.50	7.11	9.8