All about civil construction knowledge- PARAM VISIONS

How to calculate the cutting length of a circular stirrup?/ Cutting length of the circular lateral ties.

 If you are looking for a readymade calculator for circular stirrups, then click here.

 For the calculation procedure, go through the following steps.👇


Now, let us calculate the cutting length of the circular stirrup for the below-given drawing.




Given data:

Diameter of circular column D = 450mm.

Clear cover = 40mm.

The diameter of stirrup d = 8mm.


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 calulate 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.


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.


Thank you for going through this calculation. Have a good day😄



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