App Description

Rectangular quadrilateral grading pit volume calculation

\(V=(A+KH)(B+K)H+ \frac {1}{3} K^2H^3\)

In the formula:

A, B--- including two-way excavation size (m) of the bottom of the pit;

H---ground pit excavation depth (m);

K---grading slope coefficient

Usage example

Input data:

A—Two-way excavation size of the bottom of the pit including the side width working face: 10

B—Two-way excavation of the bottom of the pit including the side width working face: 8

H-ground pit excavation depth: 9

K—grading slope coefficient: 7

Click "Calculate" to output data

Rectangular quadrilateral grading pit volume: 21762

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