For a cohesionless soil, the bearing capacity contribution represented by the term one-half gamma B N-gamma mainly depends on the:
Correct answer: B. Soil unit weight and footing width
- A. Cohesion and footing embedment
- B. Soil unit weight and footing width
- C. Water content and plasticity index
- D. Pile length and shaft roughness
Explanation
The term 0.5 gamma B N-gamma is the soil unit weight contribution in the bearing capacity equation. It varies with unit weight, footing width and the bearing capacity factor associated with the friction angle.
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About Soil Mechanics and Foundations
Soil mechanics examines index properties, phase relationships, classification, permeability, seepage, compaction, consolidation, shear strength and earth pressure. Foundations apply these principles to bearing capacity, settlement and shallow or deep foundation selection, with clear distinction between compaction, which expels air, and consolidation, which expels water over time.
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