Answer / sjtbehera

it is 3.142 x D ( diameter of ring )+ hook length

Answer / partha mitra

Thanks for your reply.But Is there any deduction?for
exemple a rectangular ring there is a deduction (2d) for
each bend.please clarify.

Answer / neelam saroj

= 2 X pi x r + Hook Length
= 3.142 X Dia of Steel + Hook Length.

Answer / prabin chandra

(3.142 * (D+Dia of ring ))+ 2 hook lengths (75mm *2)

Answer / deepak gangwar

2xpixr+2x10d-2x2d

Answer / petchimuthu

formula is 2*3.14*radius... eg (size of column 600mm) cover 40mm dia 10mm

so CL=2*3.14*260=1.63+(HOOK LENGTH 50+50)=1.73-4d=1.69m

Answer / deoghar

3.142 *D +2hook length - 2D

Answer / biswaranjan jena

Q:-Circular column size 800mm diameter 1 meter height?
ANS:- ccover is 50mm
800-4*50=600mm
cutting length of stirrup is = pi*d =3.14* 0.6=1.88 meter

Answer / nasir

4X3.14 X d d=diameter of bar

Answer / alok shahi

(3.142 x D) + (2 x hook length)
D > dia of ring

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