Research Article
Study on Conventional and Rheological Properties of Corn Stalk Bioasphalt/PPA Composite Modified Asphalt
Table 13
Visual analysis of BBR results.
| Index | Factor | PPA | Bioasphalt | Shear time | Shear rate |
| Creep rate | Average value 1 | 0.48 | 0.375 | 0.402 | 0.395 | Average value 2 | 0.402 | 0.385 | 0.367 | 0.395 | Average value 3 | 0.348 | 0.395 | 0.392 | 0.385 | Average value 4 | 0.338 | 0.412 | 0.405 | 0.393 | Range | 0.142 | 0.038 | 0.037 | 0.01 |
| Stiffness modulus | Average value 1 | 34.025 | 58.35 | 41.925 | 42.575 | Average value 2 | 37.9 | 46.075 | 41.225 | 48.425 | Average value 3 | 48.725 | 39.25 | 46.525 | 42.95 | Average value 4 | 59.55 | 36.525 | 50.525 | 46.25 | Range | 25.525 | 21.825 | 9.3 | 5.85 |
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