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Table 5 Influence of shearing rate on the micro-morphologies of SBS in the mix

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

SBS adding ratio [wt%] 2% 7%
Shear rate [rpm] 2000 3500 5000 2000 3500 5000
Area ratio [%] 0.373 2.412 2.47 3.959 5.126 5.971
Box dimension 1.355 1.639 1.415 1.659 1.660 1.619
Area-weighted average axis ratio 1.608 1.732 1.851 2.171 1.823 2.124
Coefficient of variation in area-weighted average axis ratio 0.508 0.336 0.385 0.306 0.316 0.335
Average particle area [μm2] 6.408 11.648 6.096 15.452 15.191 27.685
Coefficient of variation in average particle area 1.470 2.264 1.576 3.034 1.666 2.500