How to find a number of bars in column | column'ல் எத்தனை கம்பி போடுவது என்று கண்டுபிடிப்பது எப்படி?

As per Indian standard (ISCODE 456:2000)
There are limitations and regulations for column design.

Limitations
1. A column must have 4 numbers of bars.
2. Minimum 12mm bars should be used in column
3. stirrups should follow the rules below
a. Least lateral length of the column
b. 16 times dia of smallest longitudinal bar
c. 300mm
4. stirrups dia should be 1/4 of the longitudinal bar.
5. Minimum 5mm bar should be used as a stirrup.



In this video we deal with column reinforcements

To find number of bars in column, we need to know how much load acting on the column and dimension of the column.

Source:
   • How to decide the number of bars in a colu...  
https://www.iitk.ac.in/ce/test/IS-cod...
https://civilsite.in/reinforcement-de...

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chapters
00:00 - starting
00:35 - purpose of the column
00:48 - Load and its types
02:29- Area of steel
03:49 - Example
04:29- Axial load
04:59- Gross area
06:09- Main reinforcement equations
08:33- Limitations
09:11- How to find area of one bar
10:32- Number of bars
12:36 - Distribution bars
13:06 - Spacing of stirrups
14:26 - Contact details