Effects of Sasobit® content on the rheological characteristics of unaged and aged asphalt binders at high and intermediate temperatures

Summary of analysis of variance (ANOVA) for AI. Source Sum of squares df Mean square F p-Value Significant Corrected model 22.41 a 45 .498 16.01 <0.001 YesIntercept 407.07 1 407.07 13090.28 <0.001 YesM 8.05 1 8.05 259.07 <0.001 YesB 0.78 2 0.39 12.53 <0.001 YesS 2.44 2 1.22 39.25 <0.001 YesT 1.79 2 0.89 28.77 <0.001 YesM * S 1.87 2 0.94 30.10 <0.001 YesM* T 1.19 2 0.596 19.17 <0.001 YesB * S 0.43 4 0.11 3.50 <0.001 YesB * T 0.63 4 0.16 5.09 <0.001 YesS* T 1.28 4 0.32 10.31 <0.001 YesM * B * S 0.48 4 0.12 3.82 <0.001 YesM* B * T 1.21 4 0.30 9.78 <0.001 YesM* S * T 0.89 4 0.22 7.20 <0.001 YesB* S * T 0.49 8 0.06 1.99 <0.001 YesError 5.28 170 0.03Total 482.25 216Corrected total 27.69 215 a R Squared =0.81 (Adjusted R Squared 0.76), M: Method or type of rheological property; T: Temperature, B: Binder type; S: Sasobit ® content; *: Interaction. Figure 13. Relationship between the high failure temperatures of unaged (FT U ) and short-term-aged (FT

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