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Q: As per IS 456 : 2000, the limiting value for neutral axis depth measured from extreme fibre of a singly reinforced RCC beam with rectangular cross section is___. Consider the grade of steel as Fe-500 and ‘d’ is effective depth of beam section.
  • A. 0.46 d
  • B. 0.53 d
  • C. 0.48 d
  • D. 0.44 d
Correct Answer: Option A - As per IS 456 : 2000, the limiting value for neutral axis depth measured from extreme fibre of a singly reinforced RCC beam with rectangular cross section for different types of steel grade. 1. Fe250 → 0.53 d 2. Fe415 → 0.48 d 3. Fe500 → 0.46 d where, d is effective depth of beam.
A. As per IS 456 : 2000, the limiting value for neutral axis depth measured from extreme fibre of a singly reinforced RCC beam with rectangular cross section for different types of steel grade. 1. Fe250 → 0.53 d 2. Fe415 → 0.48 d 3. Fe500 → 0.46 d where, d is effective depth of beam.

Explanations:

As per IS 456 : 2000, the limiting value for neutral axis depth measured from extreme fibre of a singly reinforced RCC beam with rectangular cross section for different types of steel grade. 1. Fe250 → 0.53 d 2. Fe415 → 0.48 d 3. Fe500 → 0.46 d where, d is effective depth of beam.