Hybrid Modification of Stone Mastic Asphalt with Cellulose and Basalt Fiber

Table 11

Benefit-cost ratio of different fiber combinations for different characteristics.

Cellulose : basalt fiber	Draindown	Permanent deformation	Low-temperature strain	Fatigue	Moisture damage
0 : 4	2.118	1.524	−0.142	3.845	0.387
1 : 3	2.625	1.060	−0.114	6.377	0.496
2 : 2	3.081	0.988	0.106	9.827	0.576
3 : 1	3.786	0.553	0.268	12.492	0.507
4 : 0	4.180	0.435	0.385	14.659	0.364