The footing width should be.

Minimum column size for 3 storey building. Minimum bar diameter is taken as 12mm. (b) the beam bottom longitudinal reinforcement is. Web the size of column should not be less than 9” x 9” inches;

And for one storey building concrete mix will be m15 [1:2:4]. Just because you can fit it,. Web what is the minimum size of column for 3 storey building?

Web minimum size of rectangular column: Web we would like to show you a description here but the site won’t allow us. Web the footing width and thickness of a foundation is determined by the type of soil, depth of foundation, load requirements and driving cost.

Web basic rules in column sizes minimum column size should be taken as 9”x9” (230mmx230mm). Web as per thumb rule, a 150uc or 6×6 size of steel column is ideal for 1 storey building, a 200uc or 8×8 size used for 2 and 3 storey, 250uc upto 5 storey, 300uc upto 8. (a) light confinement reinforcement in the columns;