HOW TO FIND WEIGHT OF STEEL BARS
After designing of Rcc elements we know only diameter of
bars and numbers of bars
But we don’t know weight of steel bars
Now we are discussed to how find weight of steel bars
Weight of steel bars are required to preparation of
estimation
Example 1
Formula , weight = d2/162
D=diameter of bar in mm
We know the length of bars from the bar bending schedule
For example, assume length of steel bar = 40
feet (12m)
Diameter of bar =8 mm f
W =82/162
=0.395
kg/m
Weight of 8 mm 1 meter length
bar =0.395 kg
So
,
=12 x 0.395
=4.75
kg
Weight of 8mm f
diameter 1 meter length bar =4.95 kg
The above process same for all diameters
of bars
Below I am provide many diameter bars unit weight
Keep in mind -------length of bar L in meter
------- diameter of bar D in mm
Diameter of bar f in mm
|
Weight of bar per meter length in kg
|
6 mm f
|
0.222 kg
|
8 mm f
|
0.395 kg
|
10 mm f
|
0.617 kg
|
12 mm f
|
0.888 kg
|
16 mm f
|
1.580 kg
|
20 mm f
|
2.469 kg
|
22 mm f
|
2.987 kg
|
Example 2
How to calculate weight of 20mm f , 10 meter length bar
For using above table
Weight of 20 mm diameter bar for 1 meter length =2.467
kg
So
=10
x 2.467
= 24.67 kg
Example 3
If the length is in foot then how to calculate weight of
steel bar
Formula , weight =D2 L/533
10mm f bar =0.188
kg/ft
12 mm f bar=0.270
kg/ft
16 mm f bar=0.480 kg/ft
20 mm f bar=0.750
kg/ft
22 mm f bar=1.175
kg/ft
ALSO READ----APPROXIMATELY CALCULATE QUANTITY OF STEEL BARS IN BEAM,SLAB,COLUMN WITH OUT BAR BENDING SCHEDULE
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