In a symmetrical two-hinged parabolic arch, what happens to the horizontal thrust if one of the supports undergoes horizontal settlement?

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Subject: Structural Analysiscivil-engineering-mcqs › structural-analysis
Published: 19 Jan 2019
Last updated: 28 May 2026

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Explanation

When one support of a symmetrical two-hinged parabolic arch settles horizontally, the horizontal thrust decreases because the arch's geometry and support conditions are altered, reducing the horizontal reaction force.

Practice related questions from the same subject.

1.Consider the following statements regarding the applicability of displacement and force methods in structural analysis. Which pair of statements is accurate?
2.For a stable structure, which statements correctly describe the characteristics of the diagonal elements in the flexibility and stiffness matrices?
3.How is the j-th column of the flexibility matrix obtained?
4.According to the slope deflection method, which of the following forces are responsible for causing deformations?
5.How many independent equations must be fulfilled to achieve static equilibrium in a planar structure?
6.For a pin-jointed planar frame with m unknown member forces, r unknown reaction components, and j joints, how is the degree of static indeterminacy calculated?
7.What is the degree of static indeterminacy for a rigidly connected planar frame consisting of 15 members, 14 joints, and 3 reaction forces?
8.What are the independent displacement components at every joint in a rigid-jointed planar frame?

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In a symmetrical two-hinged parabolic arch, what happens to the horizontal thrust if one of the supports undergoes horizontal settlement?

Explanation

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