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In: Civil Engineering

A three-storey building is to be constructed on a sand beach. Ground water rises to a...

A three-storey building is to be constructed on a sand beach. Ground water rises to a maximum
of 3 m below ground level. The beach sand has the following properties: γd = 17.5 kN/m3
, φ = 32° (Nc = 40,
Nq = 25, Nγ = 30). The maximum column load will be 700 kN. Determine the sizes of footing for depths of 1
m and 2 m using a factor of safety of 3. Settlement are not to be considered. Evaluate the two alternatives
from practical consideration (difficulties of construction and cost).

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Ally Wells answered 2 months ago
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