Micro-morphologies of SBS modifier at mortar transition zone in asphalt mixture with thin sections and fluorescence analysis

Journal of Infrastructure Preservation and Resilience

Table 4 Physical meaning of the used microscopic morphological parameters

Microscopic morphological parameters	Physical meaning
SBS area ratio [%]	Volume fraction of SBS modifier in mortar at two-dimensional condition
SBS box dimension (D)	Distribution uniformity of SBS modifier
Area-weighted average axis ratio of SBS	SBS particle shape
Coefficient of variation in axis ratio	SBS particle shape distribution
SBS average particle area [μm²]	SBS particle size
Coefficient of variation in SBS average particle area	SBS particle size distribution