The shuttering area of a column is calculated by the formula
= [perimeter х height]
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Mostly, we use columns of 3 different shapes in the construction field. They are rectangular, square, & circular.
The formula to calculate the perimeter of these 3 shapes differs from one another.
Now, let us look into 3 different shapes & their formula.
1. Square shape:
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Perimeter = [4nos. х sides]
= [4 х S ]
Where, S = sides of square column section.
2. Rectangular shape:
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Perimeter = 2nos. х [length + breadth]
= 2nos. х [ L + B]
Where, L = sectional length of the column
B = sectional breadth of the column.
3. Circular shape:
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Perimeter (circumference) = [ 2πr ]
Where, r = radius of the circle.
Eg:
Find the shuttering area of the below given rectangular column.
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Given data:
Height of the column = 3m.
The breadth of the column = B = 230mm.= 0.23m.
Length of the column = L = 350mm. = 0.35m.
Calculation:
The shuttering area of the column
= [(perimeter ) х height]
= [(2nos. х [ L + B]) х height]
= [(2nos. х [ 0.35m. + 0.23m.]) х 3m.]
= [(2nos. х [ 0.58m.]) х 3m.]
= [1.16m х 3m.]
= 3.48 m²
To go through the articles on Estimation & calculation in civil engineering, click here.
Thank you for going through these calculation steps❤. Have a good day 😄.
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