Research on Fatigue Model of Semi-Rigid Base Asphalt Pavement before and after Polymer Grouting

Figure 2

Accumulation of fatigue damage at each stage of 0.3 g/cm³ polymer at a stress ratio of 0.7. (a) The first stage of fatigue damage of 0.3 g/cm³ polymer under 0.7 stress level. (b) The second stage of fatigue damage of 0.3 g/cm³ polymer under 0.7 stress level. (c) The third stage of fatigue damage of 0.3 g/cm³ polymer under 0.7 stress level.

(a)

(b)

(c)