11. APPROXIMATE FRAME ANALYSIS
Approximate methods of analysis in structural engineering are justified based on assumptions regarding the validity of linear elastic analysis and the inherent ability of structures to redistribute internal forces. The chapter explores vertical and horizontal loads and the assumptions made in the analysis of multi-storey frames, along with techniques for determining reactions and internal forces through free body diagrams.
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What we have learnt
- Approximate analysis methods hinge on the validity of linear elastic assumptions.
- Understanding load redistributions in structures is crucial for accurate analysis.
- The importance of identifying inflection points in structural analysis is emphasized.
Key Concepts
- -- Approximate Methods
- Techniques in structural analysis that use simplified assumptions to evaluate forces and moments in structures.
- -- Inflection Points
- Locations along a structural member where the curvature changes, important for determining moments in beams and frames.
- -- Vertical Loads
- Forces that act downward due to gravity, essential in the analysis of structural elements.
- -- Horizontal Loads
- Forces acting horizontally on structures, often due to wind or seismic activity, requiring specific analysis methods.
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