Research Article

Multiscale Study on the Modification Mechanism of Red Mud Modified Asphalt

Table 3

Asphalt AFM image parameters analysis.

TypeR q (nm)R a (nm)Kurtosis

MA2.101.7125.7
RMMA4.862.4924.2
RMMAFC1.500.9414.9

R q: a root mean square roughness parameter; Ra: an arithmetic mean roughness; kurtosis: peak coefficient.