What is the standard size of a column for building?
The size of the columns depends on the total load on the columns.
The 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.
In case, 9”x9” column size is to be used for 1 and half storey structure, then it is advised to use M20 (1:1.5:3) (cement : sand : aggregate ) grade concrete.
A safe and structurally sound column size for a 1 and half storey structure should not be less than 12”x9” using M15 grade concrete. This should be in your most preferred and practical options list.
:black_small_square:Distance between the columns
Try to maintain equal distance between the centres 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 going for larger column size is to be used.
The size of the columns increase because of two factors:
1 . Increase in the distance between two columns (This increases the dimensions of the columns as well the depth of the beam.)
2 . Height of the building (Increase in the number of floors is directly proportional to the dimensions of the columns.
:black_small_square:Alignment of Columns
A rectangular grid is to be made for placing the columns. This helps in avoiding mistakes and placing in columns can be done in the right way.
The columns can preferably be arranged in two different fashions:
1 . In a straight line with the help of a grid.
2 . In a circular fashion for circular buildings.
Zigzag arrangement of columns is an absolutely wrong way of working out Structural design. It should be remembered that when columns are erected, beams are laid connecting the columns.
The Zigzag column placement causes three major issues:
1 . Unbalanced load transfer
2 . Problems in wall construction
3 . Problems in laying beams.
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The size of the columns depends on the total load on the columns.
The 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.
In case, 9”x9” column size is to be used for 1 and half storey structure, then it is advised to use M20 (1:1.5:3) (cement : sand : aggregate ) grade concrete.
A safe and structurally sound column size for a 1 and half storey structure should not be less than 12”x9” using M15 grade concrete. This should be in your most preferred and practical options list.
:black_small_square:Distance between the columns
Try to maintain equal distance between the centres 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 going for larger column size is to be used.
The size of the columns increase because of two factors:
1 . Increase in the distance between two columns (This increases the dimensions of the columns as well the depth of the beam.)
2 . Height of the building (Increase in the number of floors is directly proportional to the dimensions of the columns.
:black_small_square:Alignment of Columns
A rectangular grid is to be made for placing the columns. This helps in avoiding mistakes and placing in columns can be done in the right way.
The columns can preferably be arranged in two different fashions:
1 . In a straight line with the help of a grid.
2 . In a circular fashion for circular buildings.
Zigzag arrangement of columns is an absolutely wrong way of working out Structural design. It should be remembered that when columns are erected, beams are laid connecting the columns.
The Zigzag column placement causes three major issues:
1 . Unbalanced load transfer
2 . Problems in wall construction
3 . Problems in laying beams.
https://www.youtube.com/channel/UC4_D50vMu1wbQrPaLFYo6Eg https://www.youtube.com/channel/UC4_D50vMu1wbQrPaLFYo6Eg RRB JE, SSC AE/JE UPSSSC JE, SSC JE, CIVIL ENGINEERING MCQs, ELECTICAL ENGINEERING MCQs, preavious year quesion papers, dmrc, lmrc, drdo,rrb ntpc, ntpc, pgcil, dsssb, states board, GATE IES EE, ESE, ECE, ME, CE, IT & CS EXAM MATERIALS & OLD PAPERS Electrical Engineering https://t.me/pravendrarajpoot Daily news & current affairs in hindi & english fully updated Daily current affairs https://t.me/newsdailypkr Engineering Discussion group for your upcoming exams, you can ask your any query regarding your problem,๐๐๐ https://t.me/joinchat/JObxeA7n6S4qvnegrGhTgA PKR ELECTRICAL ENGINEERING I am sure this is the best place for you guys subscribe and get success IF YOU WANT TO JOIN ME ON TELEGRAM FOR PDF @newsdailypkr AE/JE EE, ESE, ECE, ME, CE, IT & CS EXAM MATERIALS & OLD PAPERS Electrical Engineering https://t.me/pravendrarajpoot facebook page:- Pravendra Kumar Rajpoot https://t.me/newsdailypkr https://chat.whatsapp.com/5AS7dNFTP4H4vVsiWsqHrT https://t.me/srk50 https://t.me/pravendrarajpoot https://t.me/joinchat/JObxeA7n6S4qvnegrGhTgA https://t.me/pravendrarajpoot Daily news & current affairs in hindi & english fully updated Daily current affairs https://t.me/newsdailypkr Engineering Discussion group for your upcoming exams, you can ask your any query regarding your problem,๐๐๐ https://t.me/joinchat/JObxeA7n6S4qvnegrGhTgA PKR ELECTRICAL ENGINEERING I am sure this is the best place for you guys subscribe and get success IF YOU WANT TO JOIN ME ON TELEGRAM FOR PDF @newsdailypkr AE/JE EE, ESE, ECE, ME, CE, IT & CS EXAM MATERIALS & OLD PAPERS Electrical Engineering https://t.me/pravendrarajpoot facebook page:- Pravendra Kumar Rajpoot https://t.me/newsdailypkr https://chat.whatsapp.com/5AS7dNFTP4H4vVsiWsqHrT https://t.me/srk50 https://t.me/pravendrarajpoot https://t.me/joinchat/JObxeA7n6S4qvnegrGhTgA
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