Design of sheet-pile walls Soil properties: Lateral earth pressure are involved,either the Rankine or Coulomb lateral earth- pressure coefficients may be used. Drained conditions Angle of wall friction 8 Modulus of subgrade reaction,KsDesign of sheet-pile walls ❖ Soil properties: ❖ Lateral earth pressure are involved, either the Rankine or Coulomb lateral earth￾pressure coefficients may be used. ❖ Drained conditions ❖ Angle of wall friction δ ❖ Modulus of subgrade reaction, ks