What is the standard size of a column for building?

Standard size of an RCC column should not be less than 9”x 9” (225mm x 225mm) with 4 bars of 12mm Fe500 Steel with m20 grade of concrete and stirrups of T8@6″C/C. I will recommended 9″ × 12″ (230mm × 300mm) standard size of RCC column for ground floor residential building.

What should be size of column?

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. If you use M15 concrete for one and half story structure the column size should not be less than 12”x9”.

What should be the size of column for 2 storey house?

Minimum size of an RCC column should not be less than 9” x 12” (225mm x 300mm) with 4 bars of 12 MM Fe415 Steel. 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. You can never go wrong with strong columns.

What is the maximum span between columns?

The maximum spacing among two columns is 7.5 meter or 24 feet. (Since 1 meter is similar to 3.28084 feet). The minimum spacing among two columns is 2 to 3 meter or 5 to 7 feet.

How thick are columns in a building?

Round concrete columns should be 9 inch diameter, minimum, and square concrete columns should be 8 inches by 8 inches, minimum. Multistory houses or large concentrated loads require larger columns. Columns may buckle if they are too slender.

What is column size and beam size in G 2 building?

Column and beam size for G+2/ three floor/ 3 storey building:- For this general thumb rule, normal residential building, span upto 3 to 5m, we will assume a structure of G+2/ 3 storey/ third floor building, using standard 5″ walls, size of a RCC column and beam for G+2 building should be minimum 12”x 12” (300mm x 300mm …

How do you build column size for a building?

According to column design and Thumb Rule, minimum column size for 5m span is 230mm×230mm (9″×9″) for 1 storey/single floor/ground floor/(G+0) residential building using M20 grade of concrete ratio (1:1.5:3) with Fe500 grade of steel when axial load 310kN is applied on each column.

What is the beam size for 2 3 and 4 storey building?

Usually width of the beam is kept as 9″ or 225mm because, the width of wall is 9″ in India. So that the appearance of the structure will be good.

Can you use 12mm and 10mm rod in column and beam in a two story house?

Iron rod size for 2 storey (G+1) building:– According to general thumb rule, we will assume a structure of G+1 (2 storey) residential building,using standard 9″ thick walls,we should use iron rod size of 10mm as mesh bar for footing, 6nos of 12mm size used for column, 4nos of 12mm size used for beam and 10mm & 8mm iron …

How do you calculate column size and span?

What is the column size for 15 feet span?

Minimum size of RCC column:-for span 15 feet for residential building minimum size of an RCC column should not be less than 9”x 9” (225mm x 225mm) with 4 bars of 12mm Fe500 Steel with m20 grade of concrete and stirrups of T8@6″C/C.

How thick should a column be?

Square solid wood columns should be 6 inches by 6 inches minimum. Hollow masonry columns should be at least 12 by 12 inches or 10 by 16 inches. Round concrete columns should be 9 inch diameter, minimum, and square concrete columns should be 8 inches by 8 inches, minimum.

What is the column size for a g+1 story building?

Although,For most of the cases,It is high probability that for 4.5m Span,it will pass in 300×300 Column size for G+1 story for M20 and Fe500/550 Grade for Zone-2 and 350×350 for Zone-3 but this is based on very raw data.

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 the columns in a single storey?

The size of the columns depends on the total load on the columns. Minimum size of the column should not be less than 9”x9”. 9”x9” columns are to be used for a single storey structure with M15 (1:2:4) (cement : sand : aggregate ) grade of concrete.

What is the minimum size of foundation for a single storey building?

Minimum size of foundationfor a single storey of G+1 building, where soil safe bearing capacity is 30 tonnes per square meter, and the oncoming load on the column does not exceed 30 tonnes, a size of 1m x 1m should be used. Minimum depth of footing should be atleast 4′ below ground level. It is recommended to go to depths up to had strata.