Reflection Crack Analysis of Asphalt Overlay on Cement Concrete Pavement Based on XFEM

Table 5

Comparison between average values of the indoor test and the XFEM simulation results.

Measures	Crack propagation	Test value	2D simulation results		3D simulation results
			Cycle index	Error (%)	Cycle index	Error (%)
Crack pouring	Initial	3979	3538	11.1	3790	4.7
	Final	8429	8163	3.2	8570	1.7
Crack paste	Initial	6554	5524	15.7	6040	7.8
	Final	15599	15204	2.5	16488	5.7