Table 5: Parallel test results of circumferential strain of the AC pavement structure model.

d (cm)Circumferential strain (×10−6)Variation coefficient
Model #1Model #2Model #3Model #4Average

15.0−28.5−29.3−28.4−28.9−28.81.4%
18.0−25.3−26.2−24.8−25.8−25.50.4%
21.0−19.5−18.9−20.2−19.9−19.62.3%
24.0−14.2−14.8−13.9−14.6−14.42.7%
27.0−10.3−10.5−9.9−10.5−10.32.1%
28.0−8.4−8.3−8.4−8.5−8.43.0%
32.0−7.4−7.6−7.3−7.6−7.51.9%
34.0−5.7−5.7−5.9−5.8−5.82.0%
38.0−4.2−4.2−4.0−4.2−4.12.7%
Average2.1%