Question
Download Solution PDFThe minimum number of bars required in a rectangular column for an earthquake resistant design, is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
The Indian Standard, IS 13920-1993 prescribes following details for earthquake-resistant columns:
1. At least three bars should be there on each face i.e. minimum 8 bars required in rectangular column for an earthquake resistant design.
2. Closely spaced ties must be provided at the two ends of the column over a length not less than larger dimension of the column, one-sixth the column height or 450 mm.
3. The length of tie beyond the 135° bends must be at least 10 times diameter of steel bar used to make the closed tie; this extension beyond the bend should not be less than 75 mm.Last updated on Jul 2, 2025
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