Column size for 2 storey (G+1) building:- For this general thumb rule, we will assume a structure of G+1 (2 storey) residential building, using standard 5鈥 walls, size of an RCC column should be 9鈥漻 12鈥 (230mm x 300mm) with 6 bars of 12mm Fe500 Steel with m20 grade of concrete and stirrups of T8@6鈥矯/C.

What is the minimum distance between two columns?

The distance between two reinforced columns ranges between 3-4 m for small buildings and 6-9 m for sizable facilities where large columns and free spaces are required. For ordinary structures, a distance of 5 m is appropriate, and the maximum span is 7.5, while the minimum is 2.5 m.

What is the maximum height of column?

The maximum height of a column is 24 m. Columns height from 20 m to 24 m can be manufactured as one piece (uncut), and composite. Fire resistance of precast concrete columns 鈥 R150 (according to the DBN V.

What is the maximum length of a beam?

There is no limitation for the length of a beam unless some factors are presumed. We can have any span for the beam. When the span increases, there will be problems with excessive deflections which leads to large bending moments and shear forces.

What is the minimum distance between beam?

Generally the spacing between two bars in beams depends upon maximum aggregate size used for concrete. Minimum spacing between two bars can be taken as approximately 50鈥75 mm.

How many columns is 1200 square feet?

There are approximately 15 nos of pillars/ column are required for 1200 sq ft house construction. Thus, you will need 12 or 14 even number of pillars as per vastu for 1200 sq ft house.

How much load can a column take?

Load carrying capacity of column will depend upon the percentage of steel reinforcement, grade of concrete and column size for various mixes and steel. Pu =0.4 fck Ac + 0.67 fy Asc as per IS 456-2000. 2. Here in the Table P is Axial Load Carrying capacity of column in KN.

How many columns is 1800 square feet?

Number of pillars required for 1800 sq ft house:- 1800 sqft of house may be of size 60’x30′, for 1800 sq ft house you have to provide atleast 21 pillars /columns.

How many pillars are good as per vastu?

In case an earthquake occurs, there is a chance that the entire building would collapse. However, if there are four pillars on the four corners of a room or house, the entire building would be earthquake resistant.

How many columns is 600 square feet?

There are approximately 10 nos of pillars/ column are required for 600 sq ft house construction. Thus, you will need 10 even number of pillars as per vastu for for 600 sq ft house.

How many columns is 1000 square feet?

There are approximately 12 to 15 nos of pillars/ column are required for 1000 sq ft house construction. Thus, you will need 12 to 15 number of pillars as per vastu for 1000 sq ft house.

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鈥漻 9鈥 (225mm x 225mm) with 4 bars of 12mm Fe500 Steel with m20 grade of concrete and stirrups of T8@6鈥矯/C.

What is the maximum height of RCC column?

In general, Columns can be cast up to 1.2m to 1.3m height in single pour as per the standards. Greater heights of pours are also possible by using side windows at 1.2m height, through which concrete is to be placed to avoid segregation etc.

Why RCC column is important?

Columns carry the load of structure and hence they are critical. It is important to align them for verticality so that load is transmitted properly. The column shuttering should be strong enough to take the pressure of fresh concrete and remain in position during concreting.

What is clear height of column?

The BS defines clear height of a column, as used to calculate the effective height, as clear height between points of restraint. In this case I would think that the point where beam soffit ties into column gives restraint to the column in one direction.