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Pavement Aashto: R 90
AASHTO pavement design material properties including layer coefficients, drainage coefficients, and modulus values for flexible and rigid pavement design
| material id | description | layer coefficient | layer type | material name | standard |
|---|---|---|---|---|---|
| R 90 | ZR=-1.282; for principal arterials (rural) | -1.282 | reliability | Reliability Level 90% | AASHTO Guide for Design of Pavement Structures (1993) |
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