A New Method for Designing Dense Skeleton Asphalt Mixture Based on Meso Parameter

Table 9

Meso parameters and rutting test results before and after gradation optimisation.

Gradation types	VCAmix(IMAGE) (%)	Number of contact points		C (%)	Dynamic stability (times·mm^−1)	Rut depth (mm)
Before adjusted	38.31	116	1.51	22	3566	2.756
First adjusted	37.46	125	1.58	20	4565	2.622
Second adjusted	36.47	128	1.69	20	4639	2.354