Concrete Technology and Design of Concrete Structures

Which of the following statements is incorrect?

  • A. Minimum cross sectional area of longitudinal reinforcement in a column is 0.8%
  • B. Spacing of longitudinal bars measured along the periphery of column should not exceed 300 mm
  • C. Reinforcing bars in a column should not be less than 12 mm in diameter
  • D. The number of longitudinal bars provided in a circular column should not be less than four
Answer: Option D.

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