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eng.gravity-retaining-wall-stability Calculator
Calculates stability of a gravity retaining wall against overturning, sliding, and bearing capacity failure. Gravity walls rely on their own weight for stability — the eccentricity of the resultant force must stay within the middle third of the base to avoid tension.
Inputs
H M
Vertical measurement. For health calculators, typically standing height without shoes.
B M
Horizontal extent perpendicular to the length.
Gamma Wall Kn M3
Body or object weight. For health calculators, usually in kg or lbs.
Gamma Soil Kn M3
Body or object weight. For health calculators, usually in kg or lbs.
Phi Deg
Reference formula or conversion factor shown for context.
Results
factor of safety sliding
Strength / applied load. A safety factor of 2.0 means the structure can handle twice the design load before failure. Buildings: 1.5–3. Lifting equipment: 4–6.
factor of safety overturning
Strength / applied load. A safety factor of 2.0 means the structure can handle twice the design load before failure. Buildings: 1.5–3. Lifting equipment: 4–6.
active thrust Pa (kN/m)
Forward propulsive force generated by the engine or motor. Net thrust = gross thrust minus inlet momentum drag.
wall self-weight W (kN/m)
The computed weight (gravitational force) or mass.