Civil Engineering - UPSC Civil Service Exam Questions - Discussion

5. 

A symmetrical three-hinged parabolic arch of span L and rise h is hinged at springings and crown. It is subjected to a. U.d.l. W throughout the span. Which the banding moment at a section L/4 from the left support.

[A]. WL2/8
[B]. WL2/16
[C]. WL2/8 h
[D]. zero

Answer: Option A

Explanation:

No answer description available for this question.

Mrinmoy Nath said: (Apr 14, 2017)  
Well in 3-hinge parabolic arch the bending moment should be 0.

Mainak said: (May 30, 2017)  
3 hinged parabolic arch subjctd to udl of full length, BM at any section is zero.

Chhaya said: (Jun 8, 2017)  
Yes, it should be ZERO.

Dolly said: (Apr 8, 2018)  
Yeah, it must be D.

A Ali said: (Nov 11, 2020)  
D is the correct answer.

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