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Foundations

What soil or site conditions would require this foundation type?

A. soil near grade is not appropriate for spread footings, and side friction is desired
B. low soil bearing or heavy load ratio to soil pressures
C. exterior column is too close to property line for footing to extend
D. where grade beam is required to transfer loads to piles

AnswerA mat or raft foundation is used when there is B. low soil bearing or heavy loads ratio to soil pressures.
ARE 4.0 exam prep: SPD

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