Answer / jayavijayan k

Hooks provided for Bond between Concrete and steel. It
prevent slippage of steel from the concrete.
But remember, Hooks are used in Plain Bars only. In case of
Ribbed Bar(Twisted), Hooks are useless. as the Twisted Lug
and Deformations satisfying the bondage, the hooks are
unneceary and not adopted.

Answer / raghavendra

hooks are provided for
a)to resist seismic movement
b)bondage between steel and concrete

Answer / sachin

BOND STRESS

Answer / kumar jitu

Hooks are provided for to resist seismic movement.
And it's Angeles are 135 degree.

Answer / gurmeet singh

hooks provide to hold steel tightly, it should bend in 45
degree and length is 4 dia of steel.It support while
earthquake come,

Answer / rajesh.d.v.s.p.

Hooks are provided for mild steel bars and bends are provided in hysd bars
both Hooks & bends are equivalent development length for replacing of development length.

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