Research Article
Effects of Paving Technology, Pavement Materials, and Structures on the Fatigue Property of Double-Layer Pavements
Table 8
Correlation coefficient of fatigue equation under different failure probabilities.
| | Pavement structure | Paving technologies | Failure probability (%) | Correlation coefficient | | Surface layer | Bottom layer | a | b | R2 |
| | 4-cm AC-13 | 6-cm AC-20 | Traditional paving | 5 | 1.7195 | 3.4958 | 0.9849 | | 50 | 1.9060 | 3.3524 | 0.9949 | | Double-layer paving | 5 | 1.6612 | 3.6470 | 0.9805 | | 50 | 1.8691 | 3.5787 | 0.9930 |
| | 4-cm AC-16 | 6-cm AC-25 | Traditional paving | 5 | 1.4361 | 4.1407 | 0.9891 | | 50 | 1.7022 | 3.6957 | 0.9933 | | Double-layer paving | 5 | 1.7133 | 3.6978 | 0.9845 | | 50 | 1.9305 | 3.3693 | 0.9776 |
| | 3-cm AC-13 | 7-cm AC-20 | Traditional paving | 5 | 1.7114 | 3.7750 | 0.9722 | | 50 | 1.9095 | 3.4819 | 0.9859 | | Double-layer paving | 5 | 1.9969 | 3.3791 | 0.9898 | | 50 | 2.1194 | 3.3394 | 0.9866 |
| | 3-cm AC-16 | 7-cm AC-20 | Traditional paving | 5 | 1.7426 | 3.5895 | 0.9906 | | 50 | 1.8787 | 3.4499 | 0.9875 | | Double-layer paving | 5 | 1.7875 | 3.6363 | 0.9918 | | 50 | 1.9504 | 3.5121 | 0.9977 |
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