In this article I will discuss how to calculate the volume of concrete, shuttering area and bitumen paint area for plain footing (Square footing & Rectangular footing).
A. Square Footing:
Given,
Length of footing = 0.5 m
Breadth of footing = 0.5 m
Depth of footing = 0.25 m
Size of column = 0.2 x 0.1
1. Volume of concrete = Area of sq. footing x Depth of sq footing
Area of sq. footing = L x B = 0.5 x 0.5 = 0.25 m²
Volume of concrete = 0.25 x 0.25 = 0.0625 m³.
2. Shuttering area = 2 (L + B) x D
= 2 (0.5+0.5) x 0.25
= 0.5m²
3. Bitumen paint area = Shuttering area + (Top area of footing – column area)
= 0.5 + [(0.5 x0.5) -(0.2 x 0.1)]
=0.5 + [0.25 – 0.2)]
= 0.73 m².
2. Rectangular Footing:
Given,
Length of footing = 1 m
Breadth of footing = 0.7 m
Depth of footing = 0.25 m
Size of column = 0.4 x 0.3
1. Volume of concrete = Area of sq. footing x Depth of sq footing
Area of sq. footing = L x B = 1 x 0.7 = 0.7 m²
Volume of concrete = 0.7 x 0.25 = 0.175 m³.
2. Shuttering area = 2 (L + B) x D
= 2 (1+0.7) x 0.25
= 0.85m²
3. Bitumen paint area = Shuttering area + (Top area of footing – column area)
= 0.85 + [(1 x0.7) -(0.4 x 0.3)]
=0.85 + [0.7 – 0.12)]
= 1.43 m².