Research Article
Equivalent Resilient Modulus Inversion and Calculation of Different Asphalt Pavement Structures
Table 3
The calculation of equivalent resilient modulus of the top surface of the cushion layer when FWD is loaded on the top surface of the base layer.
| | Structural layer | Determined method | Base layer | Cushion layer | Roadbed |
| | S1 | Inversion modulus value (MPa) | 8417 | 309 | 206 | | Equivalent resilient modulus | Theoretical calculation method (MPa) | — | 239 | | Inversion method (MPa) | — | 243 | | Deviation value (%) | — | -2 | | S2 | Inversion modulus value (MPa) | 6330 | 309 | 175 | | Equivalent resilient modulus | Theoretical calculation method (MPa) | — | 216 | | Inversion method (MPa) | — | 206 | | Deviation value (%) | — | 5 | | S3 | Inversion modulus value (MPa) | 4762 | 309 | 139 | | Equivalent resilient modulus | Theoretical calculation method (MPa) | — | 186 | | Inversion method (MPa) | — | 174 | | Deviation value (%) | — | 7 |
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