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Coil Formed Rebar Center Line Length Equation and Calculator

Coil Formed Rebar Center Line Length Equation and Calculator

 

L = π [ A - d ] C

If B > A / 5
L = [ ( π [ A - d ])2 + B2 ]0.5 C

Where:

L = Center line length (in, mm)
A = Leg length (in, mm)
B = Leg length (in, mm)
C = Number of coil turns
d = Rebar Diameter (in, mm)
r = Rebar radius (in, mm)

Note: Keep all units consistant, typical units shown.