Advances in Civil Engineering / 2019 / Article / Tab 2

Research Article

Determination of Parameters of the Discrete Element Bond Model for Asphalt Mixture Based on Splitting Test

Table 2

Discrete bond model parameters of AC-20.

TemperatureContact typeStiffnessBond strength

−10°C2DContact bond model2.2 × 109 N·m−11.8 × 102 N
Parallel bond model1.6 × 1012 Pa·m−15.8 × 107 Pa
3DContact bond model2.8 × 107 N·m−172.0 N
Parallel bond model3.9 × 1012 Pa·m−11.1 × 108 Pa

0°C2DContact bond model1.5 × 109 N·m−12.0 × 102 N
Parallel bond model1.0 × 1012 Pa·m−12.0 × 107 Pa
3DContact bond model9.0 × 106 N·m−152.0 N
Parallel bond model2.7 × 1012 Pa·m−17.5 × 107 Pa

10°C2DContact bond model2.3 × 109 N·m−11.3 × 102N
Parallel bond model1.9 × 1012 Pa·m−11.1 × 107 Pa
3DContact bond model1.3 × 107 N·m−161.0 N
Parallel bond model4.7 × 1012 Pa·m−11.1 × 108 Pa

20°C2DContact bond model1.4 × 109 N·m−1
Parallel bond model9.8 × 1011 Pa·m−1
3DContact bond model1.1 × 107 N·m−110.0 N
Parallel bond model3.4 × 1012 Pa·m−12.0 × 107 Pa

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