Stability of steel beams and columns (KET0012)

Stability of steel beams and columns, Contents:

INTRODUCTION

1.1     Design to the Eurocodes

1.2     Scope of this publication

THEORETICAL BACKGROUND

2.1     Column buckling

2.2     Beam buckling

2.3     Simplified determination of slenderness

2.4     Equivalent uniform moment factors Cj

2.5     Destabilizing loads

2.6     Effect of intermediate lateral restraint

2.7     Compression or tension flange restraints

2.8     Requirements for restraint stiffness and strength

PRACTICAL EXAMPLES OF END & INTERMEDIATE RESTRAINTS TO BEAMS

3.1     End restraint to beams

3.2     Cantilever beams

3.3     Beam supported at bottom flange only at the ends

3.4     Beams notched at the ends

3.5     Beams with intermediate restraint to compression flange

3.6     Beams with discrete intermediate restraints below top flange

3.7     Braced pairs of beams

3.8     Beams supporting cavity walls

3.9     Bracing by means of U-frames

3.10    Beams with tension flange restraint

3.11    Beams supporting timber floors

3.12    Beams supporting steel decking (or roof sheeting)

3.13    Beams supporting concrete slabs

3.14    Beams supporting precast concrete slabs

3.15    Beams with continuous restraint below top flange

3.16    Asymmetric Slimflor Beams (ASBs)

3.17    Composite beams in negative (hogging) bending

STABILIZING & DESTABILIZING LOADS

4.1     Stabilizing loads

4.2     Beams supporting a masonry wall

4.3     Destabilizing loads; beams supporting awheel of an electrical overhead crane

LATERAL STABILITY IN PLASTIC DESIGN

5.1     Requirements for plastic design

5.2     Portal frame rafters

COLUMNS

6.1     Columns in multi-storey buildings

6.2     Columns in single storey buildings

6.3     Built-up columns

REFERENCES

CREDITS

APPENDIX A

Stability of steel beams and columns

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