Question:
The maximum area of tension reinforcement in beams shall not exceed ____ of the total area.
The maximum area of tension reinforcement in beams shall not exceed ____ of the total area.
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Always refer to IS 456:2000 for the limits on reinforcement in beams and slabs. Maximum reinforcement ensures ductility and prevents congestion in concrete placement.
Updated On: May 27, 2025
- \( 0.15\% \)
- \( 1.5\% \)
- \( 4\% \)
- \( 1\% \)
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The Correct Option is C
Solution and Explanation
Step 1: Understanding code provisions for reinforcement limits.
As per IS 456:2000 (Clause 26.5.1.1), the maximum area of tension reinforcement in beams shall not exceed:
\[ A_{st,max} = 0.04 \times b \times D \] where \( b \) is the breadth and \( D \) is the overall depth of the beam.
Step 2: Interpreting this in percentage terms.
This value corresponds to: \[ \frac{A_{st,max}}{bD} \times 100 = \frac{0.04bD}{bD} \times 100 = 4% \]
As per IS 456:2000 (Clause 26.5.1.1), the maximum area of tension reinforcement in beams shall not exceed:
\[ A_{st,max} = 0.04 \times b \times D \] where \( b \) is the breadth and \( D \) is the overall depth of the beam.
Step 2: Interpreting this in percentage terms.
This value corresponds to: \[ \frac{A_{st,max}}{bD} \times 100 = \frac{0.04bD}{bD} \times 100 = 4% \]
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