Standard subgrade condition for the ACR-PCR method
| Subgrade strength category | Subgrade support E (elastic modulus): MPa | Represents E (elastic modulus): MPa | Code designation |
|---|---|---|---|
| High | 200 | E ≥150 | A |
| Medium | 120 | 100 ≤ E < 150 | B |
| Low | 80 | 60 ≤ E < 100 | C |
| Ultra Low | 50 | E < 60 | D |
| Subgrade strength category | Subgrade support | Represents | Code designation |
|---|---|---|---|
| High | 200 | E ≥150 | A |
| Medium | 120 | 100 ≤ E < 150 | B |
| Low | 80 | 60 ≤ E < 100 | C |
| Ultra Low | 50 | E < 60 | D |
Sharing content requires targeting cookies to be enabled. Please update your cookie preferences to use this feature.