Aluminium structural analysis: recent European advances

✍ Scribed by P S Bulson

• Tongue: English
• Leaves: 385
• Category: Library

✦ Table of Contents

Cover......Page 1
ALUMINIUM STRUCTURAL ANALYSIS......Page 4
Preface......Page 6
Contents......Page 10
List of Contributors......Page 12
1 INTRODUCTION......Page 14
2 SAFETY AND SERVICEABILITY......Page 18
3 HEAT-AFFECTED ZONES......Page 20
4 TENSION MEMBERS......Page 22
5 COMPRESSION MEMBERS......Page 23
6 FATIGUE......Page 26
7 FRACTURE MECHANICS (M.S.G.Cullimore)......Page 30
8 WELDED JOINTS......Page 37
9 TESTING AND QUALITY ASSURANCE......Page 38
10 CONCLUSIONS......Page 41
BIBLIOGRAPHY......Page 42
1.1 General......Page 48
1.2.1 Piecewise idealization......Page 49
1.2.3 Continuous models of the form ε=ε(σ): Ramberg-Osgood law......Page 51
1.3.1 Out-of-straightness......Page 56
1.3.2 Variation of the dimensions of the cross-section......Page 57
1.4.1.1 Extruded profiles.......Page 60
1.4.1.2 Welded profiles.......Page 63
1.4.2.2 Welded profiles.......Page 68
2.1 General......Page 75
2.2 Strength of elements......Page 77
2.3 Ductility of connections......Page 80
2.4 Codification......Page 82
3.1 General......Page 83
3.2.1 Conventional elastic moment......Page 88
3.2.2 Plastic adaptation moment......Page 91
3.2.3 Fully plastic moment......Page 94
3.3.1 Extruded members......Page 105
3.3.2 Welded members......Page 116
3.4.1 Physical behaviour......Page 122
3.4.2 Experimental and theoretical results......Page 123
3.4.3 Simulation results......Page 128
3.5.1 Plastic design......Page 140
3.5.2 Buckling check......Page 142
4.1 General......Page 144
4.2.1 Conventional reduced elastic moment......Page 146
4.2.2 Reduced plastic moment......Page 147
4.3.1 Physical behaviour......Page 156
4.3.3 Theoretical analysis......Page 158
4.3.4 Experimental results......Page 163
4.3.5 Column buckling curve evaluation......Page 165
4.3.6 Simulation results......Page 174
4.4.1 Physical behaviour......Page 182
4.4.2 Interaction domains......Page 183
4.4.3 Experimental results......Page 185
4.4.4 Simulation results......Page 186
4.5.1 Columns......Page 189
4.5.2 Beam columns......Page 192
4.5.3 Comparison between ERAAS and national codes......Page 193
REFERENCES......Page 202
NOTATION......Page 206
1 INTRODUCTION......Page 208
2 BASIS OF UK DESIGN PROCEDURE......Page 213
3 COMPARISON OF BS DESIGN CURVE AND THEORETICAL RESULTS......Page 215
4 EFFECT OF NON-UNIFORM MOMENT......Page 218
5 UNEQUAL FLANGED BEAMS......Page 222
6 TREATMENT OF SLENDER CROSS-SECTIONS......Page 224
7 CONCLUSIONS......Page 227
REFERENCES......Page 228
1 INTRODUCTION......Page 232
2 GENERAL OBSERVATIONS ON THE NEW CODE......Page 234
3.1 Webs free from HAZ softening......Page 236
3.2 Unstiffened webs with HAZ softening......Page 238
4.1 Webs—free from HAZ softening......Page 239
4.2 Transversely stiffened webs with HAZ softening......Page 247
5 LONGITUDINALLY STIFFENED WEBS IN SHEAR (CLAUSE 5.6.4)......Page 249
6.1 Transverse stiffeners......Page 252
6.3 End bearing stiffeners......Page 254
6.4 Longitudinal stiffeners......Page 255
7 LARGE OPENINGS IN WEBS (CLAUSE 5.6.6)......Page 256
8 GIRDERS UNDER COMBINED SHEAR AND BENDING (CLAUSE 5.6.7)......Page 257
9 COMPARISON OF BS 8118 AND CP 118 VALUES......Page 259
10 COMPARISON OF BS 8118 AND EXPERIMENTAL VALUES......Page 261
11 CONCLUSION......Page 264
REFERENCES......Page 265
1 INTRODUCTION......Page 266
2 RESEARCH PROGRAMME FOR WELDED CONNECTIONS......Page 267
3.1 Aluminium alloys and welding technology......Page 268
3.2 Mechanical properties of weld metal and heat-affected zone......Page 269
3.3.2 Fillet welds......Page 270
3.4 Design of welded connections......Page 274
4.1 Choice of parameters......Page 277
4.2 Welding test specimens......Page 278
4.3 Test results......Page 281
4.4 Evaluation of results......Page 286
4.5 Conclusions relating to mechanical properties......Page 290
5.1 Choice of parameters......Page 292
5.2 Welding test specimens......Page 294
5.3 Testing......Page 300
5.4 Test results for fillet welds......Page 302
5.5.1 Weld areas......Page 303
5.5.2 Ultimate strengths......Page 304
5.5.3 Design of fillet welds......Page 306
5.6 Conclusions relating to fillet welds......Page 311
6.1 General......Page 313
6.2 Choice of parameters......Page 314
6.3 Welding of hollow sections......Page 315
6.6 Experimental and theoretical results......Page 317
6.7 Evaluation of results and conclusions......Page 319
REFERENCES......Page 323
NOTATION......Page 326
1 INTRODUCTION......Page 328
2 SINGLE FASTENER JOINTS WITH IN-PLANE LOADING......Page 329
2.1.3 Transverse shear......Page 330
2.1.6 Resistance of the connected ply......Page 331
2.1.7 Lap joints......Page 332
3.1.1 Elastic distribution of fastener resistance......Page 334
3.1.2 Fastener flexibility......Page 337
3.1.3 Ultimate strength......Page 338
3.1.4 Resistance of the plies......Page 339
3.2.1 Elastic analysis......Page 341
3.2.2 Ultimate load analysis......Page 343
3.3.1 Bolted joints without pre-tension......Page 345
3.3.2 Riveted joints......Page 347
4 PINNED JOINTS......Page 348
4.1.1 Stress distribution......Page 349
4.1.2 Simple design......Page 351
4.2 Fatigue loading......Page 352
4.2.1 Fatigue resistance of lugs under constant amplitude loading......Page 353
4.2.3 Fatigue crack propagation in lugs: damage-tolerant design......Page 354
4.2.4 Experimental study of fatigue crack propagation in lugs under constant and variable amplitude loading......Page 356
5.1 The transfer of static load by interface friction......Page 358
5.1.1 Slip factors for aluminium alloy joints......Page 362
5.1.2 Attainment and stability of the bolt pre-load......Page 363
5.2 HSFG bolted joints between aluminium and steel plates......Page 365
5.2.1 Estimation of the stresses induced by changes in temperature......Page 366
5.2.2 Application to an actual design for static loading......Page 368
5.3 Fatigue resistance......Page 369
5.3.1 Fretting in HSFG joints......Page 371
5.3.2 The estimation of fretting displacements in HSFG bolted joints......Page 372
5.3.3 Fatigue tests on two-bolt aluminium/steel HSFG bolted joints......Page 375
5.3.5 Fatigue testing of full-size joints......Page 376
REFERENCES......Page 377
Index......Page 380