# How To Calculate Concrete Volume For Retaining Wall

|## How To Calculate Concrete Volume For Retaining Wall:

Retaining wall is a masonry wall constructed to resist the pressure of liquid, earth filling, sand or other granular material filled behind it.

In this article, I will discuss how to calculate the concrete volume for retaining wall. Let’s get started.

## Example 1:

To calculate the volume of retaining wall we need to calculate the volume of retaining wall.

Here I have divided the retaining wall into two parts, part A is the base slab and part B is the stem of retaining wall.

So Volume of retaining wall = Volume of base slab + Volume of stem.

Volume of base slab = l x b x h = 10 x 3 x 0.2 = 6 m³

The stem is a trapezoid.

So Volume of stem = [{(a + b)/2} x h] x l

= [{(0.5 + 0.2)/2} x 3] x 10

= 21 m³

The total volume of retaining wall = 6 + 21 = 27 m³

So the volume of concrete for the retaining wall = 27 m³

Let’s take another example:

## Example 2:

Here I have divided the retaining wall into three parts, part A is the base slab, part B is the stem and part C is the counterfort of the retaining wall.

The volume of retaining wall = Volume of base slab + Volume of stem + Volume of counterfort

= Volume of A + Volume of B + Volume of C

Volume of A = l x b x h = 12 x 2.5 x 0.2 = 6 m³

Part B is a trapezooid.

So Volume of B = [{(a + b)/2} x h] x l = [{(0.2 + 0.3)/2} x 3] x 12

= 9 m³

As part C is also a trapezoid

So

Volume of C = [{(a + b)/2} x h] x l = [{(0.5 + 2)/2} x 3] x 0.2 = 0.75 m³

In the above retaining wall there is 2 counterfort so

Volume of C = 0.75 x 2 = 1.5 m³

The total volume of retaining wall = 6 + 9 + 1.5 = 16.5 m³.

##### Also Read – HOW TO CALCULATE QUANTITY OF BINDING WIRES FOR STEEL BARS

### More Posts:

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- How To Calculate Volume Of Concrete For Staircase
- How To Calculate Number Of Concrete Blocks In A Wall
- Calculation Of Bricks In A Wall
- Retaining Wall Design

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