1.

The diameter of longitudinal bars of a column should never be less than?(a) 12 mm(b) 6 mm(c) 10 mm(d) 8 mmThe question was asked in an interview for internship.The query is from Structural Designing and Thumb Rules in division Valuation, Reports Technical and Design Data of Civil Engineering Drawing

Answer»

Correct answer is (a) 12 mm

Easiest explanation: Minimum diameter of LONGITUDINAL bar in RCC column shall not be less than 12mm (IS456:2000, cl 26.5.3.1 d). Indian standards SPECIFY 12mm as the least diameter of a vertical bar and 5mm as the least diameter of lateral bar or STIRRUP.



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