Laboratory Evaluation of Asphalt Binder Modified with Crumb Rubber and Basalt Fiber

Table 6

BBR results.

BF content(%)	−6°C		−12°C		−18°C
	S (MPa)	m	S (MPa)	m	S (MPa)	m
0	72.6	0.505	161	0.398	498	0.275
0.2	92.1	0.488	174	0.343	553	0.259
0.3	97	0.428	223	0.340	547	0.264
0.4	98.5	0.429	284	0.336	552	0.287
Specification	S ≤ 300 MPa, m ≥ 0.3