Bearing Capacity

Soil Properties

Cohesion c (ton/m²)

t/m²

Friction angle φ (°)

Unit weight γ (ton/m³)

t/m³

Shear modulus G (ton/m²) For rigidity index

t/m²

Volumetric strain Δ (%) Plastic zone

Water table z_w (m from surface)

Moist unit weight above WT γ_m (ton/m³)

t/m³

Factor of safety FS

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Nota: If G = 0, the compressibility correction is omitted and the soil is assumed incompressible (classic Prandtl-Reissner solution). Enter G to activate the Vesic ζ factors.

Bearing Capacity Factors (Vesic)

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N_c

—

N_q

—

N_γ

📐 Shape Factors (ζ)

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ζ_c – Cohesion

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ζ_q – Surcharge

—

ζ_γ – Weight

📏 Depth Factors (ζ_d)

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ζ_cd

—

ζ_qd

—

ζ_γd

🔬 Compressibility Factors (ζ_c) – Vesic

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I_r (rigidity index)

—

I_rr (reduced)

—

ζ_qc

—

ζ_cc

Calculation Development

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q_u – Ultimate capacity (ton/m²)

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q_ad – Allowable capacity (ton/m²)

Unit Converter

Select the target unit to automatically convert the ultimate and allowable capacity.

Ultimate capacity q_u

ton/m² kg/cm² kN/m² kPa MPa lb/ft² tsf (UK)

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ton/m²

Allowable capacity q_ad

ton/m² kg/cm² kN/m² kPa MPa lb/ft² tsf (UK)

—

ton/m²

Parameter Summary Table

Parameter	Symbol	Value	Unit	Equation / Table

Calculation Report

Download a Word document (.docx) with cover page, full development, tables and conclusions — ready for professional printing.

Bearing Capacity of Foundations

Foundation Geometry

Soil Properties

Bearing Capacity Factors (Vesic)

📐 Shape Factors (ζ)

📏 Depth Factors (ζ_d)

🔬 Compressibility Factors (ζ_c) – Vesic

Calculation Development

Bearing Capacity

Unit Converter

Parameter Summary Table

Calculation Report

ℹ️ About This Tool

Bearing Capacity of Foundations

Foundation Geometry

Soil Properties

Bearing Capacity Factors (Vesic)

📐 Shape Factors (ζ)

📏 Depth Factors (ζd)

🔬 Compressibility Factors (ζc) – Vesic

Calculation Development

Bearing Capacity

Unit Converter

Parameter Summary Table

Calculation Report

ℹ️ About This Tool

📏 Depth Factors (ζ_d)

🔬 Compressibility Factors (ζ_c) – Vesic