Design of Joints in Steel and Composite Structures

FOREWORD XIII

PREFACE XV

LIST OF SYMBOLS AND ABBREVIATIONS XIX

Chapter 1 INTRODUCTION 1

1.1 General 1

1.2 Definitions 12

1.3 Material Choice 26

1.4 Fabrication and erection 28

1.5 Costs 29

1.6 Design approaches 29

1.7 Design tools 39

1.8 Worked examples 44

Chapter 2 STRUCTURAL ANALYSIS AND DESIGN 47

2.1 Introduction 47

2.2 Joint modelling 51

2.3 Joint idealisation 60

2.4 Joint classification 63

2.5 Ductility classes 66

Chapter 3 CONNECTIONS WITH MECHANICAL FASTENERS 71

3.1 Mechanical fasteners 71

3.2 Categories of connections 73

3.3 Positioning of bolt holes 76

3.4 Design of the basic components 78

3.5 Design of connections 100

Chapter 4 WELDED CONNECTIONS 123

4.1 Type ofwelds 123

4.2 Constructive constraints 127

4.3 Design of welds 135

4.4 Distribution of forces in a welded joint 145

Chapter 5 SIMPLE JOINTS 153

5.1 Introduction 153

5.2 Steel joints 155

5.3 Composite joints 187

5.4 Column bases 189

Chapter 6 MOMENT RESISTANT JOINTS 205

6.1 Introduction 205

6.2 Component characterisation 206

6.3 Assembly for resistance 235

6.4 Assembly for rotational stiffness 257

6.5 Assembly for ductility 268

6.6 Application to steel beam-to-column joint configurations 272

6.7 Application to steel column splices 300

6.8 Application to column bases 303

6.9 Application to composite joints 314

Chapter 7 LATTICE GIRDER JOINTS 329

7.1 General 329

7.2 Scope and field of application 330

7.3 Design models 333

Chapter 8 JOINTS UNDER VARIOUS LOADING SITUATIONS 341

8.1 Introduction 341

8.2 Composite joints under sagging moment 342

8.3 Joints in fire 343

8.4 Joints under cyclic loading 344

8.5 Joints under exceptional events 346

Chapter 9 DESIGN STRATEGIES 349

9.1 Design opportunities for optimisation of joints and frames 349

9.2 Application procedures 364

BIBLIOGRAPHIC REFERENCES 375

Annex A Practical values for required rotation capacity 385

Annex B Values for lateral torsional buckling strength of a fin plate 387