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R-28 — Clay Low Plasticity
- Soil Category
- Clay Low Plasticity
- Phi Deg
- 28
- K0 (dimensionless)
- 0.5307
- Ka (dimensionless)
- 0.361
- Kp (dimensionless)
- 2.7698
- Cohesion kPa (kPa)
- 20
- Cohesion Note
- Cohesion Psf Is Non-Monotonic vs Phi for Clay Low Plasticity Because the Source Rows Compile Multiple specimens; Cohesion Peaks at PHI=24 in the Das/Bowles compilation. Use Specimen Id to disambiguate.
- Cohesion Psf (psf)
- 418
- Delta Wall Friction Deg (deg)
- 19
- Description
- Lean Clay (CL), stiff, Drained
- Gamma kN M3 (kN/m3)
- 19
- Gamma Pcf (pcf)
- 121
- Specimen Id
- CL-Oc-Very-Stiff