Prediction Model for Connected Voids Ratio of the Porous Asphalt Mixture

Table 1

The performance of coarse aggregate.

Material name	Experiment items	Quality requirement	Results
Coarse aggregate	Crashed stone value (%)	≤26	18.25
	Los Angeles abrasion test value (%)	≤28	17.3
	Elongated and flaky particle content (%)	<15	10.5
	Water absorption (%)	≯2.0	Qualified
Fine aggregate	Bulk volume relative density (g/cm^3)	—	2.569
	Apparent relative density (g/cm^3)	≥2.6	2.655
	Apparent relative density (g/cm^3)	≥2.5	2.643
	Sand equivalent (%)	≥60	65