Concrete columns – Calculated Industries 8545 User Manual

Page 32

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Concrete Columns

You’re going to pour five columns,
each of which has a diameter of 3 feet
4-1/2 inches and a height of 11 feet 6
inches. How many cubic yards of con-
crete will you need for all five columns?

Steps

Keystrokes

Display

Clear calculator

[On/C] [On/C]

1 — Find Surface Area of Column

Enter diameter

3 [Feet] 4 [Inch]
1 [/] 2 [Circ]

DIA

3- 4 1/2

FEET INCH

Find surface area

[Circ]

8.946176

SQ FEET

2 — Find Volume

Multiply by

[x] 11 [Feet]

height

6 [Inch] [=]

102.881

CU FEET

Convert to yards

[Conv] [Yds] 3.810408

CU YD

Multiply by 5 columns to find total cubic yards
of concrete

[x] 5 [=]

19.05204

CU YD

32 – Pocket Handyman