Workgroup Contents

Lecture 14.14 : Methods of Analysis of Rigid Jointed Frames


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1. INTRODUCTION

2. EUROCODE 3 APPROACH TO ANALYSIS AND DESIGN

2.1 General Approach

2.2 Second Order Effects

2.3 Imperfections

2.3.1 Common practice

2.3.2 Definitions and Eurocode 3 provisions

3. METHODS OF GLOBAL ELASTIC ANALYSIS

3.1 Premise

3.2 First Order Elastic Global Analysis

3.3. Second Order Elastic Global Analysis

3.3.1 Local second order effects (P-delta)

3.3.2 Global second order effects (P-Delta)

3.3.3 Approximate evaluation of second order effects

3.4 Calculation of Internal Forces and Moments

3.4.1 Effects of deformation

3.4.2 Braced frames

3.4.3 Non-sway frames

3.4.4 Design methods for the elastic analysis of sway frames (direct or indirect allowances)

3.5 Cross-Section Requirements

4. METHODS OF GLOBAL PLASTIC ANALYSIS

4.1 Rigid-Plastic Analysis

4.1.1 Assumptions, limitations and cross-section requirements

4.1.2 Computation of collapse multiplier of loads

4.2 Elastic-Perfectly Plastic Analysis

4.2.1 Cross-section requirements

4.3 Elasto-Plastic Analysis

4.3.1 Cross-section requirements

4.4 Calculation of Internal Forces and Moments

4.4.1 Plastic analysis of sway frames

5. CONCLUDING SUMMARY

6. REFERENCES

7. ADDITIONAL READING