Effects of Paving Technology, Pavement Materials, and Structures on the Fatigue Property of Double-Layer Pavements

Table 4

Results of the bending beam test.

Mixture types		Structure thickness (cm)		Failure load (kN)		Pd/Pt
Surface layer	Bottom layer	Surface layer	Bottom layer	Pd	Pt
AC-13	AC-20	4	6	10.43	9.23	1.13
AC-13	AC-20	3	7	10.03	9.13	1.10
AC-16	AC-20	3	7	9.87	8.53	1.16
AC-16	AC-25	4	6	9.10	8.10	1.13