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R-24 — Clay Low Plasticity

Soil Category
Clay Low Plasticity
Phi Deg
24
K0 (dimensionless)
0.5934
Ka (dimensionless)
0.4217
Kp (dimensionless)
2.371
Cohesion kPa (kPa)
30
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)
627
Delta Wall Friction Deg (deg)
16
Description
Lean Clay (CL), USCS, Drained
Gamma kN M3 (kN/m3)
18.5
Gamma Pcf (pcf)
118
Specimen Id
CL-Nc-Stiff
clay_low_plasticity — phi deg 24 · specimen id CL-NC-stiff · K0 0.5934 dimensionless · Ka 0.4217 dimensionless · Kp 2.371 dimensionless | Earth Pressure Coefficients | Engineering Database