Table 7: Replicate test results of circumferential strain of the AC pavement structure model.

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

15.0−28.5−28.9−27.9−28.41.7%
18.0−25.3−27.3−24.8−25.81.8%
21.0−19.5−18.2−20.0−19.25.1%
24.0−14.2−15.2−13.5−14.33.1%
27.0−10.3−10.4−9.7−10.13.0%
28.0−8.4−8.0−8.5−8.34.8%
32.0−7.4−7.8−7.1−7.41.1%
34.0−5.7−5.4−5.7−5.63.6%
38.0−4.2−4.4−4.1−4.25.8%
Average3.3%