# How do you calculate volume using end area?

## How do you calculate volume using end area?

The Average End Area method calculates volumes by adding the area of a material type at one station to the area of the material type at the next station and dividing the sum by two, then multiplying the result by the distance between the sections (L).

**What is the Prismoidal formula?**

1) Prismoidal Formula: From mensuration, volume of a prism having end faces is in parallel planes: V=L/6*(A1+A2+4Am) This is known as prismoidal formula.

**How do you calculate the mean area?**

It is easy to calculate: add up all the numbers, then divide by how many numbers there are.

### What is end area method in surveying?

The Average End Area method calculates the volume between two cross sections; the cross-sectional areas are averaged and multiplied by the distance between cross sections to determine the volume.

**How do you calculate volume of earthwork?**

Volume = Sum * 100 (Area of Each block) = 4.6225 * 100 = 462.25 (Filling).

**What is average end area?**

#### How do you calculate backfill and excavation?

Backfill for Figure 3.1:

- Backfill volume = excavation volume – footing volume – wall volume.
- (Note that only the portion of the wall that is in the trench is deducted, so the height of wall in the trench is the average trench depth minus 2′-0” for the footing: 6′-0” – 2′-0” is 4′-0”)
- Backfill volume = 207.4 cubic yards.

**What is the average end area method?**

**Where is Prismoidal formula used?**

A formula used in the calculation of earthwork quantities. It states that the volume of any prismoid is equal to one-sixth its length multiplied by the sum of the two end-areas plus four times the mid-area.

## How do you calculate excavation area?

So, the formula is: Ab = Wb * Lb, where Wb and Lb are the width and length of the bottom of the excavation. At = Wt * Lt, where Wt and Lt are the width and length of the top of the excavation.

**How is earthwork volume calculated?**

The volume between each pair of sections is estimated by multiplying the average cut or fill area of the two sections by the distance between them. Once these volumes have been calculated for each pair of sections the total cut and fill volumes are obtained by adding them all together.

**What is Prismoidal?**

noun Geometry. a solid having sides that are trapezoids and bases or ends that are parallel and similar but not congruent polygons.

### How do you calculate land plot area?

First of all, divide the land area into minimum possible no. of triangle. Then measure all the required distance (like AB, AC, AE etc) by using a tape or chain.