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Lateral earth pressure

Rankine active and passive earth pressure for a vertical wall with horizontal backfill: Ka, Kp, K0, tension crack depth, resultant and location.

Inputs

φ°

ckPa

γkN/m³

Surcharge qkPa

Ka / Kp / K0—

Tension crack zc [m]—

σa base [kPa]—

Active Pa [kN/m] @ ȳ [m]—

Passive Pp [kN/m]—

RANKKa=(1−sinφ)/(1+sinφ); σa=Ka·γz−2c√Ka; Rankine (1857).

VERIFYKa(30°)=1/3 exact; Pa(c=0,H=5,g=18)=75 kN/m; zc hand-verified.

Engine: earth-pressure.js v0.1.0 ·

Preliminary calculation tool.