Relationship between DN and G class for sealed roads | |||||||
Material classification | Soaked CBR/DN | Approximate field DN—sealed road | |||||
Subgrade | Base, subbase and selected layers | ||||||
Wet | Dry | Very dry 25% OMC | Dry 50% OMC | Moderate 75% OMC | Damp OMC | ||
G4 | 3.62 | 2.90 | 2.80 | 1.22 | 1.59 | 2.06 | 2.68 |
G5 | 5.70 | 3.62 | 3.45 | 1.50 | 1.95 | 2.53 | 3.30 |
G6 | 9.05 | 4.60 | 4.26 | 1.86 | 2.41 | 3.14 | 4.07 |
G7 | 13.53 | 5.70 | 5.24 | 2.24 | 2.90 | 3.77 | 4.93 |
G8 | 18.62 | 6.51 | 5.90 | 2.60 | 3.36 | 4.37 | 5.70 |
G9 | 24.65 | 7.27 | 6.65 | 2.97 | 3.81 | 4.93 | 6.51 |
G10 | 48.04 | 10.79 | 9.34 | 4.02 | 5.16 | 6.79 | 8.77 |