As per IS 456:2000, The cross-sectional area of longitudinal reinforcement shall be not less than ______ of the gross cross-sectional area of the column and the diameter of these bars shall not be less than ______, respectively.
1
0.8%, 10 mm
2
4.0%, 10 mm
3
0.8%, 12 mm
4
4.0%, 12 mm