HandBook of Structural SteelWork

Contents
Page No.
FOREWORD iii
ACKNOWLEDGEMENTS iv
CHAPTER 1 GENERAL DESIGN CONSIDERATIONS 1
1.1 Design aims 1
1.2 Methods of design 1
1.3 Loadings 3
1.4 Limit state design 4
1.5 Stability limit state 8
1.6 Design strengths 11

CHAPTER 2 LOCAL RESISTANCE OF CROSS-SECTIONS 13
2.1 Local buckling 13
2.2 Classification 14
2.3 Example – Section classification 20
2.4 General Guidance 22

CHAPTER 3 BEAMS 23
3.1 Design considerations 23
3.2 Moment and shear capacities 25
3.3 Design of beams without full lateral restraint 25
3.4 Equivalent slenderness 27
3.5 Effective length 27
3.6 Equivalent uniform moment factor, mLT 29
3.7 Calculation of bending resistance for beams without full restraint 30
3.8 Calculation of bending resistance – a simpler approach 30
3.9 Example – Beam with full lateral restraint 32
3.10 Example – Unrestrained beams 33
3.11 Web bearing capacity and web buckling resistance 35
3.12 Web stiffeners 39
3.13 Example – Web bearing and buckling 41
3.14 Example – Web stiffeners 43

CHAPTER 4 MEMBERS IN TENSION AND COMPRESSION 46
4.1 Introduction 46
4.2 Ties 46
4.3 Simple tension members 47
4.4 Tension members also subjected to moments 48
4.5 Struts 48
4.6 Columns in simple construction 60
4.7 Compression members with moments 61
4.8 Example – Angle section used as a tie 63
4.9 Example – Axially loaded strut 1 64
4.10 Example – Axially loaded strut 2 65
4.11 Example – Column in simple construction 66
4.12 Example – Column under axial load and moment 68

CHAPTER 5 TRUSSES 72
5.1 Introduction 72
5.2 Typical uses 72
5.3 Design concept 74
GENERAL DESIGN DATA Error! Bookmark not defined.
Bending moment and deflection formulae for beams 80
Moving loads 91
Fixed end moments 94
Trigonometrical formulae 95
Solution of Triangles 96
Properties of geometrical figures 98
Metric conversions 106
EXPLANATORY NOTES 107
General 108
Dimensions of sections 109
Section properties 110
Capacity and resistance tables 121
Bending tables 122
Web bearing and buckling tables 124
Tension tables 128
Compression tables 129
Axial and bending tables 136
Bolts and welds 139
REFERENCES 143
TABLES OF DIMENSIONS AND GROSS SECTION PROPERTIES 147
Universal beams 148
Universal columns 154
Joists 158
Parallel flange channels 162
ASB (Asymmetric Beams) 166
Equal angles 169
Unequal angles 170
Equal angles back to back 172
Unequal angles back to back 173
Tees cut from universal beams 174
Tees cut from universal columns 178
Hot-finished circular hollow sections 180
Hot-finished square hollow sections 182
Hot-finished rectangular hollow sections 184
Cold-formed circular hollow sections 186
Cold-formed square hollow sections 189
Cold-formed rectangular hollow sections 191
Pink Green
Pages Pages
MEMBER CAPACITIES S275 S355
Universal beams subject to bending 196 280
Universal columns subject to bending 199 283
Joists subject to bending 200 284
Parallel flange channels subject to bending 201 285
Universal beams web bearing and buckling 202 286
Universal columns web bearing and buckling 205 289
Joists web bearing and buckling 206 290
Parallel flange channels web bearing and buckling 207 291
Equal angles subject to tension 208 292
Equal angles back to back subject to tension 211 295
Unequal angles subject to tension 214 298
Unequal angels back to back subject to tension 217 301
MEMBER CAPACITIES (continued) S275 S355
Universal beams subject to compression 220 304
Universal columns subject to compression 224 308
Equal angles subject to compression 226 310
Unequal angles subject to compression 227 311
Equal angles back to back subject to compression 228 312
Unequal angles subject to compression 230 314
Universal beams subject to axial load and bending 232 316
Universal columns subject to axial load and bending 258 342
BOLT CAPACITIES
Non-preloaded ordinary bolts 266 350
Non-preloaded countersunk bolts 268 352
Non-preloaded HSFG bolts 270 354
Preloaded HSFG bolts:
Non-slip in service 271 355
Non-slip under factored loads 272 356
Non-slip in service - countersunk 273 357
Non-slip under factored loads - countersunk 274 358
WELDS
Fillet welds 275 359


Total : 355 pages 4 mb


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