Structural Engineering - Vol 1 | 11. APPROXIMATE FRAME ANALYSIS by Abraham | Learn Smarter
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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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Sections

  • 11

    Approximate Frame Analysis

    The section discusses the principles behind approximate frame analysis, emphasizing the assumptions and methods used to simplify structural analysis.

  • 11.1

    Vertical Loads

    This section discusses vertical loads in structural analysis and the methods to approximate the effects of these loads on structures.

  • 11.1.1

    Identifying Inflexion Points

    This section discusses the significance of identifying inflection points in structural analysis, particularly when using approximate methods.

  • 11.1.2

    Conventional Forces And Moments

    This section covers approximate methods for analyzing structural forces and moments, focusing on vertical loads and how these are treated distinctively.

  • 11.1.3

    Multi-Bay/multi-Storey Frame Analysis

    This section explores the principles and methods used to analyze multi-bay and multi-storey frame structures under vertical loads.

  • 11.2

    Horizontal Loads

    This section discusses the analysis of horizontal loads acting on structures and the calculation of internal forces and moments.

  • 11.2.1

    Column Shears

    This section discusses the process of calculating shear forces within columns subjected to horizontal loads, using the portal method.

  • 11.2.2

    Top Column Moments

    This section explores the calculation and significance of top column moments in structural engineering, specifically focusing on the implications of horizontal loads and moments in frames.

  • 11.2.3

    Bottom Column Moments

    This section discusses the significance of bottom column moments in structural engineering, focusing on calculating moments and shear forces through approximate methods.

  • 11.2.4

    Top Girder Moments

    This section discusses the calculation of moments for top girders in structural frames under various load conditions.

  • 11.2.5

    Bottom Girder Shear

    This section discusses the analysis of bottom girder shear in structural engineering, primarily focusing on the effects of vertical loads and the distribution of internal forces.

  • 11.2.6

    Top Column Axial Forces

    This section covers the determination of axial forces in columns due to the vertical loads and shear forces acting in a structure.

  • 11.2.7

    Bottom Column Axial Forces

    This section discusses the calculation of axial forces in columns within structural frames subjected to vertical loads.

  • 11.2.8

    Design Parameters

    This section addresses the design parameters used for the frame-structures under vertical and horizontal loading conditions.

References

11.pdf

Class Notes

Memorization

What we have learnt

  • Approximate analysis method...
  • Understanding load redistri...
  • The importance of identifyi...

Final Test

Revision Tests