Research Article

Effects of Organic Nano Calcium Carbonate on Aging Resistance of Bio-Asphalt

Table 4

Code abbreviation of test asphalts.

Test asphalt material compositionTest asphalt no.

Matrix asphaltMA
15%Bio-oil + matrix asphaltBM
2%CaCO3 + 15% bio-oil + matrix asphalt2CBM
4%CaCO3 + 15% bio-oil + matrix asphalt4CBM
6% CaCO3 + 15% bio-oil + matrix asphalt6CBM