// multi-utility computation suite · offline · instant · precise
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eng.bearing-capacity-Terzaghi Calculator
Calculates bearing capacity for strip, square, and circular footings using Terzaghi's method with general shear failure assumption. Terzaghi's equations for bearing capacity are the foundational method — general shear failure assumption is valid for dense sand and stiff clay.
Inputs
C Kpa
Reference formula or conversion factor shown for context.
Phi Deg
Reference formula or conversion factor shown for context.
B M
Horizontal extent perpendicular to the length.
Df M
Vertical extent downward, or thickness of a layer. For tanks: affects pressure at the base (P = ρgh).
Gamma 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 bearing capacity qa (kPa)
Sample size or count used in the calculation.
bearing capacity factors
A dimensionless multiplier applied in the calculation.
qu = cNc + γDfNq + 0.5γBNγ
Sample size or count used in the calculation.
allowable load on footing (kN)
Sample size or count used in the calculation.
FS=3 applied
Reference formula or conversion factor shown for context.