Research Article
Study on Conventional and Rheological Properties of Corn Stalk Bioasphalt/PPA Composite Modified Asphalt
Table 15
Boiling water test results.
| Types of asphalt | Aggregate surface area | Asphalt spalling area | Spalling rate (%) |
| Neat asphalt | 695842 | 196066 | 20.3 | Corn stalk bioasphalt/PPA composite modified asphalt | 836874 | 197502 | 23.6 | Corn stalk bioasphalt/PPA composite modified asphalt with BHW511 | 978566 | 82120 | 8.4 |
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