Research Article

Calibration on MEPDG Low Temperature Cracking Model and Recommendation on Asphalt Pavement Structures in Seasonal Frozen Region of China

Figure 8

Thermal cracking development of asphalt pavements with different asphalt layers. Note: the terms “a,” “b,” “c,” “d,” “e,” and “f” were defined in Table 2.
(a) 5 cm HMA16
(b) 5 cm HMA16 + 5 cm HMA25
(c) 5 cm HMA16 + 5 cm HMA20 + 5 cm HMA25
(d) 4 cm HMA16 + 5 cm HMA20 + 6 cm HMA25
(e) 6 cm HMA16 + 5 cm HMA20 + 4 cm HMA25
(f) 4 cm HMA16 + 7 cm HMA20 + 4 cm HMA25