Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 10 (Q.No. 18)
18.
A three-hinged parabolic arch rib with hinges at abutments and at crown is under the action of uniformly distributed load 'W' per unit length over its entire span 'l' through its crown. The bending moment at quarter span is
zero
Wl2/8
Wl2/12
Wl2/24
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Umesh said:   7 years ago
Three hinged parabolic subjected to uniformly distributed load. Forms a shape of Funicular polygon.

In which the shear force and Bending moment at everysection will be zero.

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