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- Subject
- Structural Analysiscivil-engineering-mcqs › structural-analysis
- Published
- 19 Jan 2019
- Last updated
- 28 May 2026
Explanation
The degree of static indeterminacy for a pin-jointed plane frame is found by adding the unknown member forces (m) and unknown reactions (r), then subtracting twice the number of joints (2j). This formula accounts for the equilibrium equations available at each joint.
More Structural Analysis MCQs
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.What is the degree of static indeterminacy for a rigidly connected planar frame consisting of 15 members, 14 joints, and 3 reaction forces?
- 7.What are the independent displacement components at every joint in a rigid-jointed planar frame?
- 8.Under which condition is a pin-jointed planar frame considered unstable?
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