Concrete columns – Calculated Industries 3088 User Manual
Page 30

Step 4 — Find Total Area
Recall Memory
[Rcl] [Rcl]
Answer: 1038.917 SQ FT
Multiply by depth
[x] 4 [Inch] 1 [/] 2 [=]
Answer: 389.5938 CU FT
Convert to yards
[Conv] [Yds]
Answer: 14.4294 CU YDS
Concrete Columns
You’re going to pour five columns, each of
which has the following dimensions: Diameter 3
feet 4-1/2 inches, height 11 feet 6 inches. How
many cubic yards of concrete will you need for all
five columns?
COMMENTS
KEYSTROKES
Clear calculator
[On/C] [On/C]
Step 1 — Find Surface Area of Column
Enter diameter
3 [Feet]
4 [Inch] 1 [/] 2
Find surface area
[Circ] [Circ]
Answer: 8.946177 SQ FT
Step 2 — Find Volume
Multiply by height
[x] 11 [Feet]
6 [Inch] [=]
Answer: 102.881 CU FT
Convert to yards
[Conv] [Yds]
Answer: 3.810409 CU YDS
Multiply by 5 columns
[x] 5 [=]
Answer: 19.05204 CU YDS
30 — Construction Master III
®