Basic Rule For Design Of Concrete Column

Basic Rule For Design Of Concrete Column

First of all the size of the columns depends on the total load on the columns.
1: Minimum size of an RCC column should not be less than 9”x 9” (225mm x 225mm) with 4 bars of 12mm Fe500 Steel.
2: Use Minimum M20 Grade concrete in RCC column (ratio 1 part Cement: 1.5 parts sand : 3 parts Aggregate with 0.5 parts water by volume)
3: With the thumb rule, a column span of up to 5 meters is quite safe.
4: Column longitudinal bars should not be less than 12mm and also it should be no more than 50mm by thumb rule.
5: For using steel in a column the cross-sectional area of longitudinal steel in a column shall not be less than 0.8 and also it should be not more than 6% of the cross-sectional area of the column.
6: I recommend the use of 8mm stirrups at a distance of 150mm center to center throughout the length of the column.

Learn More 

1. Calculation Method For Find Out The Overlapping Length Of Beam, Column And Slab

2. Bar Bending Schedule For Slab And Estimation Of Steel Reinforcement In Slab

3. How To Calculate The weight of Steel With Formula

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

 

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