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What Is The Standard Size Of Column With Full Details

What Is The Standard Size Of Column With Full Details

Column has not fixed size. The column’s size depends on different aspects such as loads on column, material used in column etc. According to these aspects the size of column should be assumed or accepted as well as after that verification for safety is needed.

There are different types of columns such as R.C.C columns, long column. Short column, timber columns and tied column etc. now a days, R.C.C column are mostly use in structures because it is economical and also bear more load easily.in this article, the size of R.C.C columns will be discussed.

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].

the size of column 9” x 9” inches are to be use in 1 or 2 storey structure. For high strength in 1 or 2 storey building the M20 (1:1.5:3) concrete mix will use. While normally M15 concrete mix (1:2:4) ratio is better to use. the size of column should not be not less than or more than 12” x 9” inches.

 

column size

 

  • 1 Distance between Columns:

  • 2 Size of Column:

  • 3 Alignment of column:

  • 4 Conclusion:

  • 5 Share this:

Distance between Columns:

The center distance between two columns must be same. In all situations, prepare a layout for column on a grid. the center to center distance between two columns with size 9”x 9” inches must not be greater than 4 meter. While in high rise building the center to center distance between two columns should not be more than 7 meter. It should be less than 7 meter.

The size of column must be increase because of these aspects that is given below:

  • If the distance between two columns is increase the dimension of columns will also be increase
  • The height of structure also affects the dimension of column if height is increases the dimension will be more while low in rise building the dimension of columns will be low.
  • The distance between two columns and height of column is directly proportional to the dimension of height.

Learn More 

Bar Bending Schedule For R.C.C Slab

Size of Column:

The size of column can be assumed by the table that is given below:

S.No

Structure

Number of Storey

Column Size (mm)

1 10 storey building 1 to 10 700 x 700
2 20 storey building 1 to 7 750 x 750
8 to 14 600 x 600
15 to 20 450 x 450
3 30 storey building 1 to 10 800 x 800
11 to 20 650 x 650
21 to 30 470 x 470

For the 10 storey building the size of column will be 700 x 700 mm. while for the 20 storey building the size of column for the first seven (1 to 7) storey the dimension of column will be 750 x 750 mm and after seven to fourteen (8 to 14) for 20 storey building the size of column will be 600 x 600 mm while for 15 to 20 storey the dimension of column will be 450 x 450 mm.

Other Post 

  1. Bar Bending Schedule Of Plinth Beam

  2. Bar Bending Schedule Of Lintel Beam With Full Detail

Alignment of column:

The grid is prepared in survey of placing the columns. This grid helps to avoid the errors as well as placing of columns could be implement suitably also the columns can easily be placed in two different manners that that is given below:

  • The straight line can be done by the help of a grid.
  • The circular or curvature is used in circular buildings.

The askew or irregular arrangement of columns instead of straight is fully incorrect structural design. Moreover, it must be considered that at the time columns are raised, beams are set or joining the columns. Moreover, the askew or irregular arrangement of create different problems that is given below:

  • Load is transfer irregularly which results in failure of structure.
  • Problems is caused in construction of walls.
  • Problems is caused in setting of beams.
  • Problem is caused to extend the columns in next slab

Learn More 

Cutting length Determination Of a Spiral Or Helix Bar

Conclusion:

I hope I have discussed all the information about standard size of columns used in Construction in this post.

If you learnt something from it, please be sure to share it with someone who might benefit from it.

If you want to add any information which has missed in this article you can mention it in the comment section.

Finally, Thanks for reading this article.

Other Post 

  1. How To Calculate The weight of Steel With Formula

  2. How to calculate the cutting length of reinforcement bars in circular R.C.C slab

  3. Calculation Of Staircase Concrete And Bar Bending Schedule (BBS) | Staircase Reinforcement Details

 

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About Raja Junaid Iqbal

Hi My name is Raja Junaid Iqbal and i am Land Surveyor by Profession but I've specialized in the field of Q,S and land development. As Professional Surveyor I engaged my self in all over the Gulf since 14 years.

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