Earth Pressure Coefficients: cohesive_undrained_hard
Earth pressure coefficients (Ka, K0, Kp) by soil category and friction angle for retaining wall and excavation design
| soil category | phi deg | K0 (dimensionless) | Ka (dimensionless) | Kp (dimensionless) | cohesion kPa (kPa) | cohesion psf (psf) | delta wall friction deg (deg) | description | gamma kN m3 (kN/m3) | gamma pcf (pcf) |
|---|---|---|---|---|---|---|---|---|---|---|
| cohesive_undrained_hard | 0 | 1 | 1 | 1 | 200 | 4,178 | 0 | Hard clay, undrained (phi=0, Su=200 kPa) | 20.5 | 130 |
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