Adhesive Property and Road Performance Evaluation of Asphalt Overlay Pavement with Geotextile Interlayer

Table 9

Low-temperature fracture energy of different schemes.

Scheme		F (kN)	Wf (J)	Wt (J)	Gf (J/m^2)	Gt (J/mm^2)
Reference groups	1#	9.82	7.55	8.15	2847	3072
	2#	10.32	9.30	9.65	3374	3501
	3#	9.83	7.85	8.65	2960	3262
	Mean value	9.99	—	—	3060	3278
Experimental groups	4#	11.24	11.20	16.90	4064	6132
	5#	10.73	9.75	12.70	3676	4789
	6#	10.09	10.30	15.35	3740	5574
	Mean value	10.69	—	—	3827	5498

Note. F is the peak load; W_f is the work at peak load, J; W_t is the work of damaged, J; G_f is the fracture energy at peak load, J/m²; G_t is the fracture energy of damaged, J/m².