High-Temperature Performance of Asphalt Mixtures: Preliminary Analysis for the Standard Technical Index Based on Gray Relational Analysis Method

Table 7

Gray relational coefficients between asphalt indexes and dynamic stability.

Parameters	Unmodified			Modified			Gray relational degree
	PEN20	PEN50	PEN90	SBS I-C	SBS I-D	TPS
	0.52	0.61	0.35	0.72	0.53	0.48	0.53
	0.97	0.63	0.54	0.85	0.59	0.53	0.68
	0.44	0.67	0.89	0.89	0.77	0.41	0.68
	0.31	0.59	0.92	0.70	0.48	0.40	0.57
	0.39	0.73	0.98	0.79	0.60	0.50	0.67
	0.48	0.40	0.17	0.58	0.34	0.28	0.38
	0.51	0.34	0.17	0.47	0.33	0.28	0.35
	0.55	0.85	0.91	0.47	0.90	0.90	0.76
	0.59	0.98	0.78	0.54	1.00	0.70	0.77
	0.41	0.66	0.88	0.34	0.26	0.28	0.47
	0.99	0.75	0.94	0.98	0.73	0.92	0.88
	0.64	1.00	0.95	0.89	0.95	0.63	0.84
	0.28	0.58	0.90	0.69	0.46	0.36	0.55