Question:
The average permissible stress in bond for plain bars in tension is
The average permissible stress in bond for plain bars in tension is
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IS 456 provision:
\[
\boxed{
\tau_{bd,\;compression}
=
1.25\,\tau_{bd,\;tension}
}
\]
Updated On: Jul 24, 2026
- Increased by \(25\%\) for bars in compression zone
- Increased by \(60\%\) for bars in compression zone
- Decreased by \(25\%\) for bars in compression zone
- Decreased by \(60\%\) for bars in compression zone
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The Correct Option is A
Solution and Explanation
Step 1: Recall the IS 456 provision.
According to IS 456:2000, the permissible bond stress for plain bars in compression is higher than that for bars in tension.
Step 2: State the increase. The permissible bond stress is \[ \boxed{25\%} \] higher for bars in compression. Hence, \[ \boxed{(A)} \] is the correct answer.
Step 2: State the increase. The permissible bond stress is \[ \boxed{25\%} \] higher for bars in compression. Hence, \[ \boxed{(A)} \] is the correct answer.
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