4. Shear Force and Bending Moment Diagrams - part b
The chapter outlines the procedures for analyzing statically determinate frames, detailing steps from checking static determinacy to constructing shear and bending moment diagrams. It emphasizes the importance of equilibrium equations and provides guidance on drawing qualitative deflected shapes of frames. The process is illustrated through examples and concluded with practical problems for application.
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Sections
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What we have learnt
- The process of analyzing statically determinate frames involves checking for static determinacy and calculating support reactions.
- Member end forces and internal moments must be accurately represented in free-body diagrams to ensure correct application of equilibrium equations.
- Constructing shear, bending moment, and axial force diagrams is essential for understanding how loads affect frame members.
Key Concepts
- -- Static Determinacy
- A condition where a frame's support and member configurations allow for unique equilibrium without the need for internal forces.
- -- Equilibrium Equations
- Mathematical expressions deriving from the balance of forces and moments acting on a structure, essential for analyzing external reactions.
- -- Shear Force Diagram
- A graphical representation showing how shear forces vary along the length of a member, aiding in structural analysis.
- -- Bending Moment Diagram
- A visual representation of bending moments along the length of a structural element, indicating points of maximum stress.
- -- Axial Force Diagram
- A diagram that illustrates the variation of axial force along a member, crucial for understanding tension and compression effects.
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