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Pavement Aashto: esal dir dist
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 | typical modulus MPa (MPa) | typical modulus psi (psi) |
|---|---|---|---|---|---|---|---|
| esal dir dist | Fraction of total truck traffic in design direction | 0.5 | traffic | Directional Distribution Factor | AASHTO Guide for Design of Pavement Structures (1993) | 0.6 | 0.5 |
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