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For a beam of cross-section, width = 230 mm and effective depth = 500 mm, the number of rebars of 12 mm diameter required to satisfy minimum tension reinforcement requirement specified by IS: 456-2000 (assuming grade of steel reinforcement as Fe500) is _________.
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- 2
- 3
- 4
- 5
Correct Option: A
| = | ||||
| bd | fy |
| Ast = | × 230 × 500 mm2 | |
| 500 |
| n = | |||||
 | d2 |  | |||
| 4 | |||||
| = | ≈ 2 bars | ||
| (12)2 | |||
| 4 | |||
