Calculated Industries 4065 v3.0 User Manual
Page 54
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— 53
Concrete Columns
Find the cubic yards of concrete required to pour five columns, if
each has a diameter of 3 feet 4-1/2 inches and a height of 11 feet 6
inches. If the concrete weighs 1.75 tons per cubic yard, what is the
total weight in tons? In pounds? In kilograms?
KEYSTROKE
DISPLAY
1. Enter weight in tons per cubic yards:
1 • 7 5 ß 0
1.75
T
on
P
er
CU YD
2. Enter diameter and find circle area:
o
0.
3 f 4 i 1 / 2
3
FEET
4-1/2
INCH
C C
AREA 8.946176
SQ FEET
3. Enter height and find total volume of concrete:
1 1 f 6 i r
RISE 11
FEET
6
INCH
Ç C
(Column/Cone)
COL 102.881
CU FEET
Ç y
3.810408
CU YD
x 5 =
19.05204
CU YD
4. Convert volume to weight in tons, pounds, and kilograms:
Ç 6
(tons)
33.34107
T
on
Ç 4
(lbs)
66682.14
LB
Ç 1
(kg)
30246.51
k
G
4065UG-E-B 6/9/04 1:49 PM Page 53