Square Footing Width from Load
Easyfooting sizing
A square footing carries a service load of 900 kN. If the allowable bearing pressure is 150 kPa, the minimum footing width is most nearly:
- A1.73 m
- B2.45 m
- C2.00 m
- D6.00 m
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Answer: B. 2.45 m
The required area is 900/150 = 6.0 m², so B = √6.0 = 2.45 m. Reporting the area as the width gives 6.00.
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