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- Subject
- Structural Analysiscivil-engineering-mcqs › structural-analysis
- Published
- 19 Jan 2019
- Last updated
- 28 May 2026
Explanation
For a rigid-jointed plane frame to be stable and statically determinate, the relationship (3m + r) = 3j must hold true, where m represents the number of members, r the number of reaction components, and j the number of joints.
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.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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