Laboratory Evaluation of   SBS  Modified Asphalt Binder Containing GTR, SIS, and PE

Table 8

Statistical analysis results of the m value as a function of addition of SIS, PE, and GTR content (α = 0.05).

m value		PG76 + GTR			PG76 + SIS5% + GTR			PG76 + SIS5% + PE3% + GTR
		0%	5%	10%	0%	5%	10%	0%	5%	10%
PG76 + GTR	0%	−	N	N	S	S	N	S	N	N
	5%		−	N	N	N	N	N	N	N
	10%			−	S	S	N	S	N	N
PG76 + GTR + SIS5%	0%				−	N	N	N	S	N
	5%					−	N	N	N	N
	10%						−	N	N	N
PG76 + GTR + SIS5%+PE3%	0%							−	N	N
	5%								−	N
	10%									−

N: nonsignificant; S: significant.