Research Article

Study on Conventional and Rheological Properties of Corn Stalk Bioasphalt/PPA Composite Modified Asphalt

Table 15

Boiling water test results.

Types of asphaltAggregate surface areaAsphalt spalling areaSpalling rate (%)

Neat asphalt69584219606620.3
Corn stalk bioasphalt/PPA composite modified asphalt83687419750223.6
Corn stalk bioasphalt/PPA composite modified asphalt with BHW511978566821208.4