Development Length of Standard
Hook in Tension
For
180 degree hook
or
hairpin
option
l
dh
=
Y
e
f
y
/ (
50
l
sqrt(f
c
’) d
b
as per
ACI 318-14 25.4.3.1
Y
e
=1.0
l
=1.0 and
Y
c
=0.7 reduction factor
is applied as per ACI 318-14 25.4.3.2
