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Soil bearing capacity is the maximum load soil can support without excessive settlement or failure. It's critical for foundation design.
Guide étape par étape
- 1Use Terzaghi's formula with soil strength parameters (c, φ)
- 2Account for depth, shape, and inclination factors
- 3Results show allowable bearing pressure
Exemples résolus
Entrée
Sandy soil φ=35°, c=0, square footing, 1 m depth
Résultat
q_all ≈ 250-300 kPa
Typical sandy soil
Erreurs courantes à éviter
- ✕Using generic values without site investigation
- ✕Neglecting water table effects
Questions fréquentes
What reduces bearing capacity?
High water table, soft clay, and shallow foundations all reduce capacity significantly.
How is bearing capacity measured?
Plate load tests, boring logs with SPT, or laboratory testing provide site-specific values.
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