# Civil Engineering - Theory of Structures - Discussion

Discussion Forum : Theory of Structures - Section 1 (Q.No. 39)

39.

There are two hinged semicircular arches

*A, B*and*C*of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load*W*at their crowns. The horizontal thrust at their supports will be in the ratio ofDiscussion:

15 comments Page 1 of 2.
Ravi Gupta said:
9 months ago

Doesn't depend upon the radius due to the concentrated load applied in a semicircular arch.

B.Singh said:
2 years ago

The Right answer is 1:1:1.

Akansha said:
2 years ago

No @Prachi

The right answer is 1:1:1.

The right answer is 1:1:1.

Pramit Samanta said:
3 years ago

@Prachi.

That is for the parabolic arch, not semicircular.

That is for the parabolic arch, not semicircular.

Akshaya said:
3 years ago

Thank you @Prachi.

(1)

Prachi said:
4 years ago

General equation of horizontal thrust for this condition will be;

H = Wl/4h.

h = l/2.

5/2.5:7.5/3.75:10/5.

= 1:1:2.

H = Wl/4h.

h = l/2.

5/2.5:7.5/3.75:10/5.

= 1:1:2.

Parvat kumar said:
4 years ago

Three hinged arches h is independent of radius hence ratio must be 1:1:1.

Pankaj said:
5 years ago

1:1:1.

H=w/π.

H Not depend on radius.

H=w/π.

H Not depend on radius.

Monika said:
5 years ago

Which is the correct answer? Please explain me.

Apcivilian said:
6 years ago

Agree the given answer is wrong.

It doesn't depend on radius.

So, the answer is D.

It doesn't depend on radius.

So, the answer is D.

(1)

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