// multi-utility computation suite · offline · instant · precise
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eng.soil-bearing-capacity-terzaghi Calculator
Calculates bearing capacity using Terzaghi's original equation for strip footings and Terzaghi's shape factors for rectangular and circular footings. Terzaghi's bearing capacity factors are conservative compared to later methods (Hansen, Vesic) — still widely used for preliminary design.
Inputs
Cohesion Kpa
Reference formula or conversion factor shown for context.
Phi Deg
Reference formula or conversion factor shown for context.
Foundation Depth M
Vertical extent downward, or thickness of a layer. For tanks: affects pressure at the base (P = ρgh).
Foundation Width M
Horizontal extent perpendicular to the length.
Soil Density Kn M3
Body or object weight. For health calculators, usually in kg or lbs.
Results
ultimate bearing capacity qu (kPa)
The value at the specified point or condition.
allowable capacity (FS=3) (kPa)
Reference formula or conversion factor shown for context.