Influence of Diatomite and Mineral Powder on Thermal Oxidative Ageing Properties of Asphalt

Table 7

Results of unified optimal content of diatomite.

Property	Original		After optimization		Error (%)
	Optimal content (%)	Value	Optimal content (%)	Value
(°C)	14.3	4.00	12.8	4.01	0.29
PRP (%)	10.3	72.53	12.8	71.76	1.05
JAI (%)	13.5	3.66	12.8	3.75	2.53
VAI (%)	18.2	1.65	12.8	1.73	4.58
EAI (%)	11.6	6.49	12.8	6.58	1.38
SAI (%)	—	14.82	12.8	15.16	2.29