Question
Download Solution PDFWhich type of footing is preferred for closely spaced columns in a row?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
- When columns are closely spaced in a row, a continuous footing is preferred as it can efficiently support multiple columns by distributing the load along a continuous strip of concrete beneath them. Th
- is setup is economical and structurally effective when individual footings would overlap due to close spacing.
Additional InformationCombined footing
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Used when two columns are close, and their isolated footings would overlap.
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Can be rectangular or trapezoidal depending on load and spacing.
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Suitable when one column is near a property line and cannot have a symmetrical footing.
Strap footing
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Consists of two isolated footings connected by a beam (strap).
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Strap helps transfer load from an eccentrically loaded column to a centrally loaded one.
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Used when columns are far apart but one is near a property line.
Isolated footing
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Separate footing under each column.
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Economical when columns are spaced far apart and loads are moderate.
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Not suitable when footings would overlap due to close spacing.
Last updated on Jun 7, 2025
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