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R-40 — Gravel

Name: Earth Pressure Coefficients — gravel: phi deg 40 · K0 0.3572 dimensionless · Ka 0.2174 dimensionless · Kp 4.5989 dimensionless · gamma kN m3 21.5 kN/m3
Creator: Engineering Database

Soil Category: Gravel
Phi Deg: 40
K0 (dimensionless): 0.3572
Ka (dimensionless): 0.2174
Kp (dimensionless): 4.5989
Cohesion kPa (kPa): 0
Cohesion Psf (psf): 0
Delta Wall Friction Deg (deg): 27
Description: Gravel, Dense (GW/GP), USCS
Gamma kN M3 (kN/m3): 21.5
Gamma Pcf (pcf): 137

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gravel — phi deg 40 · K0 0.3572 dimensionless · Ka 0.2174 dimensionless · Kp 4.5989 dimensionless · gamma kN m3 21.5 kN/m3 | Earth Pressure Coefficients | Engineering Database