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Pavement Aashto: subgrade fair
AASHTO pavement design material properties including layer coefficients, drainage coefficients, and modulus values for flexible and rigid pavement design
| material id | description | layer type | material name | standard | typical modulus MPa (MPa) | typical modulus psi (psi) |
|---|---|---|---|---|---|---|
| subgrade fair | CBR=5-8; silt or silty clay subgrade | subgrade | Subgrade Support - Fair (A-4 silt) | AASHTO Guide for Design of Pavement Structures (1993) | 34 | 5,000 |
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