Table 1 Basic performance parameters of SBS modified asphalt.

From: Chemical composition-driven performance evaluation model for sbs-modified asphalt using multivariate statistical

Test Item

SBS content

Technical requirement

2%

3%

4%

4.5%

5%

D

37

30

29.1

33

38

≥ 30 cm

SP

56.5

61.5

70

80

87

≥ 55℃

ƞ

0.7

0.95

1.34

1.99

2.4

≤ 3.0 Pa·s

Δm

−0.3

0.01

0.01

−0.05

−0.2

± 1.0%

P/PRTFOT

70

68.4

68.8

75

82

60 ~ 80 mm

DRTFOT

13

13

14

23

23

≥ 20 cm

SPd

0.5

0.3

0.4

1.6

3

≤ 2.5℃

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