Development Length of Standard
Hook in Tension
For
180 degree hook
or
hairpin
option
l
dh
= 0.02
Y
e
f
y
/ (
l
sqrt(f
c
’) d
b
as per
ACI 318-11 12.5.2
Y
e
= 1.0
l
= 1.0 and 0.7 reduction factor is
applied as per ACI 318-11 12.5.3 (a)
