Steel reinforcement details in the existing frame includes:

Minimum column size for 3 storey building. The footing width should be. Web basic rules in column sizes minimum column size should be taken as 9”x9” (230mmx230mm). Web the size of column should not be less than 9” x 9” inches;

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. The size of column 9” x 9” inches are to be use in 1 or 2. And for one storey building concrete mix will be m15 [1:2:4].

(a) light confinement reinforcement in the columns; Minimum bar diameter is taken as 12mm. Web minimum size of rectangular column:

Web what is the minimum size of column for 3 storey building? Web we would like to show you a description here but the site won’t allow us. Just because you can fit it,.