Investigating the Effects of Chopped Basalt Fiber on the Performance of Porous Asphalt Mixture

Table 8

Design parameters of each porous asphalt mix.

Mixture type	No.	Fiber length (mm)	Fiber content (%)	Binder content (%)	Air void (%)
Porous asphalt mixture	01	—	—	4.6	20.3
	02	3	0.3	4.8	20.1
	03	3	0.4	4.8	20.1
	04	6	0.3	4.8	19.9
	05	6	0.4	4.8	19.8
	06	9	0.3	4.8	19.6
	07	9	0.4	4.8	19.5
	08	12	0.3	4.9	19.3
	09	12	0.4	4.9	19.2