Studying the Properties of SBS/Rice Husk Ash-Modified Asphalt Binder and Mixture

Table 4

Single factor analysis of variance of rutting factor under different temperatures.

Asphalt aged	Item	Sum of squares	df	Mean square	F	Sig.
The unaged	Between groups	298.021	5	59.396	48989.897	0.002
	Within groups	0.013	12	0.001	—	—
	Total	298.034	17	—	—	—
The RTFO-aged	Between groups	23971.324	5	4895.795	109924.857	0
	Within groups	0.42	12	0.039	—	—
	Total	23971.764	17	—	—	—