Research Article

Parameter Optimization of Graded Macadam Transitional Layer for Inverted Asphalt Pavement Based on the Mechanical Response and Strength Standard

Table 3

The representative value of compressive strength coefficient in the Hebei cold region.

Traffic levelHighway grade coefficientCumulative equivalent single axle loadsCompressive strength coefficient Ku

Light traffic1.12 × 106∼15 × 1061.92
Medium traffic1.115 × 106∼30 × 1062.14
Heavy traffic1.030 × 106∼50 × 1062.37