Learn How to Calculate Volume of Trapezoidal Footing in 7 Minutes

Learn How to Calculate Volume of Trapezoidal Footing in 7 Minutes


Trapezoidal Footing includes = Truncated Pyramid + Cuboid Assume a Trapezoidal Footing with dimensions 2 m by 1.5 m [length = 2 m and breadth = 1.5 m] and height is equal to 300 mm. 
Volume of Rectangular Cuboid = Length x Breadth x Height Volume of Truncated pyramid = 1/3(A1 + A2 + √A1A2)h 
Here, A1 = Top Base Area 
A2 = Bottom Base Area 
A1 = 0.5 x 0.4 = 0.2 m2 
A2 = 2 x 1.5 = 3 m2 
h = height = 0.3 m 
Putting the quantities in the formula, we get 
Trapezoidal Footing Volume = Truncated Footing Volume + Cuboid Volume 
= (Length x Breadth X Height) + 1/3(A1 + A2 + √A1A2)h 
= (2 x 1.5 x 3) + 1/3(0.2 + 3 + √(0.2 x 3)) x 0.3 = 0.9 + 0.397 
= 1.297 m3 
For more information, go through the following tutorial.
Source: constructioncivilengineering.com

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