Soil Bearing Capacity Calculator

Calculate ultimate and allowable soil bearing capacity using Terzaghi's bearing capacity equation

Soil Properties

Cohesion (c) - kN/m²

Friction Angle (φ) - degrees

Unit Weight (γ) - kN/m³

Foundation Parameters

Foundation Width (B) - meters

Foundation Depth (Df) - meters

Factor of Safety

Results

Bearing Capacity Factors

Nc

30.14

Nq

18.40

Nγ

22.40

Ultimate Bearing Capacity (qu)

1653.57 kN/m²

Allowable Bearing Capacity (qa)

551.19 kN/m²

Formula Used

qu = c·Nc + γ·Df·Nq + 0.5·γ·B·Nγ (Terzaghi's Equation)