App Description

The formula for calculating the pit of the two sides of the rectangle and the two sides of the retaining plate:

\(V=(A+KH)(B+KH)H- \frac {1}{6} KH2(3A+3B+4KH)\)

or

\(V=A \cdot B \cdot H+ \frac {1}{2}KH2(A+B)+ \frac {1}{3}K2H3\)

A, B——Two-way excavation size of the bottom of the pit including the side width working face (m)

H——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: 56

H-ground pit excavation depth: 7

K—grading slope coefficient: 8

Click "Calculate" to output data

The grading of the adjacent two sides of the rectangle and the volume of the two sides of the retaining plate: 1997.33

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