Investigation on the Feasibility of Different Semicircular Bend Methods for Asphalt Concrete

Table 3

Parameters of mixed fracture modes.

No.	M ^e	S 1 (mm)	S 2 (mm)	b (mm)	α (°)	Y I	Y II		Schematic
1#	1	50	50	—	—	3.66	0	−0.58
2#	0.5	50	16	—	—	0.99	0.99	−1.72
3#	0	50	9	—	—	0	1.79	−3.91
4#	0.5	50	50	38	—	1.45	1.36	−1.47
5#	0	50	50	47	—	0	2.24	−3.92
6#	0.7	50	50	—	40	2.14	1.10	1.8
7#	0.5	50	50	—	70	0.81	0.73	2.72
8#	0.5	33	33	—	40	0.71	0.74	1.99
9#	0.5	50	25	11	—	1.22	1.29	−1.9
10#	0	50	25	22	—	0	2.46	−4.74

S₁ represents the distance from the left support to the mid-span, S₂ represents the distance from the right support to the mid-span, b is the distance from the notch to the mid-span, and represents the tangential stress in the area near the notch tip.