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Bearing Capacity Factors: Terzaghi
20 to 29
Bearing capacity factors (Nc, Nq, N_gamma) by friction angle for foundation design — Terzaghi, Meyerhof, Hansen, and Vesic methods
| method | phi deg | N gamma (dimensionless) | Nc (dimensionless) | Nq (dimensionless) | Nq Nc ratio (dimensionless) |
|---|---|---|---|---|---|
| Terzaghi | 20 | 5 | 17.690277 | 7.438734 | 0.420498 |
| Terzaghi | 21 | 5.70861 | 18.924544 | 8.264452 | 0.436705 |
| Terzaghi | 22 | 6.517645 | 20.27215 | 9.19048 | 0.453355 |
| Terzaghi | 23 | 7.441338 | 21.746117 | 10.230679 | 0.47046 |
| Terzaghi | 24 | 8.495939 | 23.361274 | 11.401109 | 0.488035 |
| Terzaghi | 25 | 9.7 | 25.13455 | 12.720433 | 0.506094 |
| Terzaghi | 26 | 11 | 27.085322 | 14.210394 | 0.524653 |
| Terzaghi | 27 | 12.498 | 29.235835 | 15.896402 | 0.54373 |
| Terzaghi | 28 | 14.2 | 31.611697 | 17.808238 | 0.563343 |
| Terzaghi | 29 | 16.72543 | 34.242479 | 19.980916 | 0.583513 |
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