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

Table 2

Summary of material damage parameters a and for different pavement structures.

Pavement structure materials	a
SMA-13	2.81e − 3	4
AC-20	2.81e − 3	4
AC-25	2.81e − 3	4
Cement-stabilized macadam	1.36e + 4	2.02
Cement-stabilized gravel	9.52e + 7	2.02