What is the minimum size of a column in a building?

The minimum size of a column should not be less than 9”x9” for single story structure with M15 (1:2:4) concrete. If 9”x9” columns are to be used in one and half story building, always use M20 (1:1.5:3) concrete.

What is the size of a column in M15 concrete?

If you use M15 concrete for one and half story structure the column size should not be less than 12”x9”. Try to maintain equal distance between the centers of two columns. Always plan a column layout on a grid. The distance between two columns of size 9”x9” should not be more than 4m centre to centre of column.

What is the size and strength of a column?

As per Load coming on the column, size is increased or decreased. Column length is generally 3 times their least lateral cross-sectional dimension. The Strength of any column mainly depends on its shape and size of cross-section, length, location, and position of the column.

What is the distance between two columns in a plan?

Distance Between Columns: Try to maintain equal distance between the centers of two columns. Always plan a column layout on a grid. The distance between two columns of size 9”x9” should not be more than 4m centre to centre of column. If larger barrier-free distances are required then larger size columns should be used.

What size concrete do I need for a 9×9 column?

If 9”x9” columns are to be used in one and half story building, always use M20 (1:1.5:3) concrete. If you use M15 concrete for one and half story structure the column size should not be less than 12”x9”. Try to maintain equal distance between the centers of two columns. Always plan a column layout on a grid.

What size of RCC column for ground floor residential building?

I will recommended 9″ × 12″ (230mm × 300mm) standard size of RCC column for ground floor residential building. These days the minimum I use in my projects is 9″ x 12″ (225 mm x 300mm) with 6 bars of 12 MM Fe500 steel.