Civil Engineering - RCC Structures Design - Discussion
Discussion Forum : RCC Structures Design - Section 2 (Q.No. 9)
9.
The radius of a bar bend to form a hook, should not be less than
Discussion:
29 comments Page 1 of 3.
Deepak said:
4 years ago
Dia 6d for bend hence;.
And 3d radius.
And 3d radius.
AMANDEEP said:
4 years ago
R=K$, R=radius of hook,$=diameter of bar.
K=2,for mild steel(fe250),
K=4,for hysd (fe415,500),
{R=2$,mild steel and d(dia)=4$}..
{R=4$,hysd and d(dia)=8$}.
So the minimum is R=2$.
K=2,for mild steel(fe250),
K=4,for hysd (fe415,500),
{R=2$,mild steel and d(dia)=4$}..
{R=4$,hysd and d(dia)=8$}.
So the minimum is R=2$.
(1)
MJM Gcek said:
4 years ago
Thrice the diameter is correct.
Nabin said:
4 years ago
The radius of bar bend to form a hook=2d.
The length of straight portion of a bar beyond the end of hook should be least=4d.
The length of straight portion of a bar beyond the end of hook should be least=4d.
Ram said:
4 years ago
2*dia is right one.
(1)
BIJAY KUMAR said:
5 years ago
For mild 2 times.
Deformed 4 times.
.
According to question, we require a minimum hook. So the Answer will be A.
Deformed 4 times.
.
According to question, we require a minimum hook. So the Answer will be A.
(1)
Shubham said:
5 years ago
Hook means 180-degree bent.
Since 1d = 45 degree.
Thus 4d = 180 degree.
Since 1d = 45 degree.
Thus 4d = 180 degree.
CHANDANA said:
5 years ago
I think option B is correct.
Nimish gupta said:
5 years ago
(A).Internal r of the hook is 2*dia of bar.
(B).External r of the hook is 3*dia of bar.
Here, it is asked about the minimum r, so(A) is correct.
(B).External r of the hook is 3*dia of bar.
Here, it is asked about the minimum r, so(A) is correct.
Krishna said:
6 years ago
HOOK is not provided for HYSD, only for mild steel, it is provided. Therefore it's 2.
(1)
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