Civil Engineering - Strength of Materials - Discussion

Discussion Forum : Strength of Materials - Section 5 (Q.No. 15)
15.
The rise of a parabolic arch at quarter points, is equal to
times the rise of the crown
times the rise of the crown
times the rise of the crown
times the rise of the crown
times the rise of the crown.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Nabin said:   4 years ago
Eqh of arch,
Y= -ax^2+c,

Where,
a= 4h/l^2,
C=h,
#whenx=l/4,
Y=3hl4.

Nilraj said:   7 years ago
Yes, Correct, Thanks @Rohit.

Rohit said:   8 years ago
Take x=l/4 in eqn.
Y = 4hx(l-x)/l^2,
Answer is 3h/4.

Ganesh said:   10 years ago
y = 4hx(l-x)/l^2.

x = l/2, get the answer.

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