BS 5950-5:1987

Foreword
Committees responsible
Code of practice
Section one. General
1.0 Introduction
1.1 Scope
1.2 Definitions
1.3 Major symbols
Section two. Limit state design
2.1 General principles and design methods
2.2 Loading
2.3 Ultimate limit states
2.4 Serviceability limits
2.5 Durability
Section three. Properties of materials and section
                properties
3.1 Range of thicknesses
3.2 Design thickness
3.3 Properties of materials
3.4 Effects of cold forming
3.5 Calculation of section properties
Section four. Local buckling
4.1 General
4.2 Maximum width to thickness ratio
4.3 Basic effective width
4.4 Effective widths of plates with both edges
      supported (stiffened elements)
4.5 Effective widths of plates with one edge
      supported (unstiffened elements)
4.6 Edge stiffeners
4.7 Intermediate stiffeners
Section five. Design of members subject to bending
5.1 General
5.2 Laterally stable beams
5.3 Web crushing
5.4 Shear in webs
5.5 Combined effects
5.6 Lateral buckling
5.7 Deflections
5.8 Flange curling
5.9 Effects of torsion
Section six. Members in compression
6.1 General
6.2 Flexural buckling
6.3 Torsional flexural buckling
6.4 Combined bending and compression
Section seven. Members in tension
7.1 General
7.2 Tensile capacity
7.3 Combined bending and tension
Section eight. Connections
8.1 General recommendations
8.2 Bolted connections
8.3 Friction grip bolts
8.4 Weld detail and design
8.5 Resistance spot welds
8.6 Maximum pitch for connections in sections
8.7 Screws, blind rivets and powder actuated fasteners
8.8 Holding-down bolts
Section nine. Simplified rules for commonly used
                members
9.1 General
9.2 Z purlins with lips
9.3 Z sheeting rails with lips
9.4 Lattice joists
Section ten. Testing
10.1 General
10.2 Tensile tests of material
10.3 Testing of members in bending
10.4 Testing of members in compression
10.5 Testing of connections
10.6 Test procedure
Appendices
A Screws, blind rivets and powder actuated fasteners
B K factors for some bending and compression
      elements
C Alpha factors for members in compression
D Warping constants for some common sections
E Information on standard deviations
Tables
1 Limit states relevant to steel structures
2 Load factors and combinations
3 Deflection limits
4 Yield, ultimate and design strengths
5 Effective widths for stiffened elements
6 Effective widths for unstiffened elements
7 Shapes having single thickness webs
8 I-beams and beam with restraint against web
      rotation
9 Effective lengths for compression members
10 Compressive strength, pc (in N/mm2)
11 Strength of bolts in clearance holes
12 Design expressions for Z sheeting rails
13 Alpha factors for members in compression
14 Warping constants, Cw
Figures
1 Nomenclature for staggered holes with example
2 Simple lip edge stiffener
3 Single and double curvature bending
4 Restraint conditions for lateral buckling
5 Compression of single symmetrical section
6 End connection
7 Symmetrical fillet welds
8 V weld
9 Circular plug weld
10 Elongated plug weld
11 Z purlins and sheeting rails
12 Supports for self weight of sheeting
13 K factors for uniformly compressed members
14 K factors for stiffened compression elements of
      beams
15 K factors for unstiffened elements of beams

Gives recommendations for the design of structural steelwork with cold formed sections in buildings and allied structures and is primarily intended for sections up to 8 mm thick.