A Large-Scale Test Method for Mechanical Response of Pavement Structure

Table 5

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

d (cm)	Circumferential strain (×10^−6)					Variation coefficient
	Model #1	Model #2	Model #3	Model #4	Average
15.0	−28.5	−29.3	−28.4	−28.9	−28.8	1.4%
18.0	−25.3	−26.2	−24.8	−25.8	−25.5	0.4%
21.0	−19.5	−18.9	−20.2	−19.9	−19.6	2.3%
24.0	−14.2	−14.8	−13.9	−14.6	−14.4	2.7%
27.0	−10.3	−10.5	−9.9	−10.5	−10.3	2.1%
28.0	−8.4	−8.3	−8.4	−8.5	−8.4	3.0%
32.0	−7.4	−7.6	−7.3	−7.6	−7.5	1.9%
34.0	−5.7	−5.7	−5.9	−5.8	−5.8	2.0%
38.0	−4.2	−4.2	−4.0	−4.2	−4.1	2.7%
Average						2.1%