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. 2021 Dec 17;14(24):7839. doi: 10.3390/ma14247839

Table 1.

Correlations between the properties of bitumen from conventional tests and cracking properties of asphalt mixtures from various tests.

Binder Test/Parameter Asphalt Mixtures test/Parameter R2 Interpolation Material Type
Binder Percentage versus Asphalt Mixtures Tests
Binder content (%) ε6
(strain level required for 1 mil cycles fatigue life in FPBB test)
[Testing conditions: 20 °C & 10 Hz]		 0.58 [71]

  • Conventional

  • Warm Mix Asphalt

  • Modifiers: (Advera, Evotherm, and Sasobit: 4.8%, 0.5%, and 1.5% by mass of binder, respectively)
Binder content (%) N100
(Number of cycles (NoC) at a strain level of 100 × 10−6 in FPBB test)
[Testing conditions: 20 °C & 10 Hz]		 0.16
Asphaltenes (%) from SARA analysis Material Fatigue Sensitivity (MFS) from S-VECD test
[Testing conditions: 18 °C & 10 Hz]		 0.50 [72]

  • Conventional

  • RAP 1 (20% & 40% RBR 2)

  • RAS 3 (20% RBR)
Critical strain energy release rate (Jc) from SCB test
[Testing conditions: 25 °C]		 0.38

RAP 1—Reclaimed Asphalt Pavement, RBR 2—Reclaimed Binder Ratio—the percentage of RAP binder by weight with respect to the total binder by weight in the asphalt mix, RAS 3—Reclaimed Asphalt Shingles.