Research Article
Road Performance and Microscopic Mechanism Analysis of Modified Straw Fiber Asphalt Binder
Table 5
Changes in four components of straw fiber asphalt binder.
| | Fiber type | Four components (%) | Increase (%) | Decrease (%) | | As | R | Ar | S | As | R | Ar | S |
| | Modified corn straw fiber | 13.65 | 27.08 | 40.94 | 18.33 | 1.85 | 6.48 | 6.96 | 0.27 | | Asphalt | 11.8 | 20.6 | 47.9 | 18.6 |
| | Normal corn straw fiber | 12.4 | 25.28 | 43.83 | 18.49 | 0.6 | 4.68 | 4.07 | 0.06 | | Asphalt | 11.8 | 20.6 | 47.9 | 18.6 |
| | Modified cotton straw fiber | 13.8 | 27.4 | 40.54 | 18.26 | 2 | 6.8 | 7.36 | 0.34 | | Asphalt | 11.8 | 20.6 | 47.9 | 18.6 |
| | Normal cotton straw fiber | 12.56 | 25.34 | 43.56 | 18.54 | 0.76 | 4.74 | 4.34 | 0.11 | | Asphalt | 11.8 | 20.6 | 47.9 | 18.6 |
| | Lignin fiber | 13.68 | 27.01 | 40.78 | 18.53 | 1.88 | 6.41 | 7.12 | 0.07 | | Asphalt | 11.8 | 20.6 | 47.9 | 18.6 |
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As: asphaltenes; R: resins; Ar: aromatics; S: saturates.
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