Simulation of Bending Fracture Process of Asphalt Mixture Semicircular Specimen with Extended Finite Element Method

Table 4

Fracture loads and critical effective SIFs at different loading modes.

Loading mode	Maximum displacement (mm)	Fracture load, Pcr (kN)	Effective SIF, Keff (MPa·m^0.5)
Me = 1	0.286	7.51	1.46
Me = 0.8	0.585	10.59	0.96
Me = 0.5	0.497	13.57	1.15
Me = 0.2	0.801	14.40	1.42
Me = 0	1.025	15.55	1.87