How To Calculate The Cutting Length Of Circular Stirrup
Now, let us calculate the cutting length of the circular stirrup for the belowgiven drawing.
Given data
Diameter of circular column D = 450mm
Clear cover = 40mm.
The diameter of stirrup d = 8mm.
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The cutting length of the circular stirrup
= [2πr + ( 2nos. × hook length ) – ( 2nos. × hook bend. ) ]
= [ 2πr +( 2nos. × 10d ) – ( 2nos. × 2d )
Here,
d = diameter of the stirrup.
r = radius of the centerline of the circular stirrup ( as shown in the drawing).
First, we will calculate the value of r from the given data.
r = [ (1/2 × diameter of column ) – clear cover – ( 1/2 × diameter of stirrup bar )]
r = [ (1/2 × 450mm ) – 40mm – ( 1/2 × 8mm ) ]
r = [ 225mm – 40mm – 4mm ]
r = 181mm.
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The cutting length of the circular stirrup
= [ ( 2 × π × 181mm ) + ( 2nos × 10d ) – ( 2nos. × 2d ) ]
= [ ( 2 × 3.142 × 181mm ) + ( 2nos. × 10 × 8mm ) – ( 2nos. × 2 × 8mm. )]
= [ 1137.4 mm + 160mm – 32mm ]
= 1265.404mm
= 1.265m.
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Thank you for going through this calculation❤. Have a good day