Design of Steel Structures

by Jay Shen, Mahmoud Faytarouni, Bulent Akbas, Onur Seker

Overview

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A straightforward overview of the fundamentals of steel structure design

This hands-on structural engineering guide provides concise, easy-to-understand explanations of the design and behavior of steel columns, beams, members, and connections. Ideal for preparing you for the field, Design of Steel Structures includes real-world examples that demonstrate practical applications of AISC 360 specifications. You will get an introduction to more advanced topics, including connections, composite members, plate girders, and torsion. This textbook also includes access to companion online videos that help connect theory to practice.

Coverage includes:

• Structural systems and elements
• Design considerations
• Tension members
• Design of columns
• AISC design requirements
• Design of beams
• Torsion
• Stress analysis and design considerations
• Beam-columns
• Connections
• Plate girders
• Intermediate transverse and bearing stiffeners
  
  
  

Product Details

ISBN-13:	9781260452334
Publisher:	McGraw Hill LLC
Publication date:	03/26/2021
Pages:	480
Product dimensions:	7.60(w) x 9.60(h) x 1.40(d)

About the Author

Jiehua (Jay), Ph.D., P.E., S.E., has taught design of steel structures at the Illinois Institute of Technology and at Iowa State University, where he serves as the Director of Graduate Study in the Department of Civil, Construction and Environmental Engineering. He has been involved in teaching, researching, and consulting in steel structures for the last 35 years, and has published extensively in performance-based earthquake engineering and innovations in steel structures. Dr. Shen was the 2017 recipient of the Joseph C. and Elizabeth Anderlik Faculty Award for Excellence in Undergraduate Teaching at Iowa State University, and a 1997 University Excellence in Teaching Award. He received his Ph.D. from the University of California at Berkeley in 1992.

Bulent Akbas, Ph.D., has been actively engaged in research, teaching, and consulting in the field of structural engineering for over 30 years. He has been a member of the faculty since 1997 at Gebze Technical University in Turkey, where he serves as the Director of the Earthquake and Structural Engineering Graduate Program and the Chair of the Department of Civil Engineering. Dr. Akbas has performed research on nonlinear analysis and behavior of steel structures as well as on performance-based design of structures, structural health monitoring, soil-structure interaction, silos, and tanks. He received his Ph.D. from the Illinois Institute of Technology in 1997.

Onur Seker, Ph.D., is currently an Assistant Professor at Gebze Technical University in Turkey. He earned his M.Sc. degree in 2011 from Yildiz Technical University, where he completed his undergraduate studies in 2009. He studied structural engineering at Iowa State University and received his Ph.D. in 2016. Dr. Seker’s research includes various projects related to seismic behavior of steel structures and structural components.

Mahmoud Faytarouni, Ph.D., is a Research Structural Engineer in the Steel Research Group at Genex Systems, supporting research work for the Federal Highway Administration (FHWA) at Turner-Fairbank Highway Research Center (TFHRC) in Virginia. He earned a Ph.D. in structural engineering from Iowa State University, an M.Engr. in engineering mechanics from Iowa State University, an M.Sc. in structural engineering from Milwaukee School of Engineering, and a B.S. in civil engineering from Beirut Arab University. Dr. Faytarouni’s research interests include performance-based earthquake engineering, seismic evaluation and retrofit of steel buildings, bridge engineering, and fatigue and fracture of structures.

Table of Contents

Preface ix

Acknowledgments xi

1 Introduction 1

1.1 Introduction to Structural Steel Design 1

1.2 Structural Steel as a Building Material 1

1.3 Material Properties of Steel and Cross-Sectional Shapes 5

1.4 Structural Systems and Elements in Steel Structures 8

1.4.1 Moment Frames 8

1.4.2 Concentrically Braced Frames 8

1.4.3 Eccentrically Braced Frames 11

1.4.4 Primary Internal Forces 12

1.5 Design Specifications and Design Philosophies (LRFD/ASD) 16

1.6 Problems 22

Appendix: Project Description 23

Bibliography 37

2 Design Considerations 39

2.1 Introduction 39

2.2 Design Loads and Design Approaches 40

2.2.1 Vertical Loads 40

2.2.2 Lateral Loads 40

2.3 Design of Structural Framing Systems 42

2.4 Load Paths in Steel Structures 51

2.5 Problems 60

Bibliography 62

3 Tension Members 63

3.1 Introduction 63

3.2 General Strength Requirement for Tension Members 63

3.3 Tension Member Strength 65

3.3.1 Nominal Tension Strength from Yielding of Gross Area, P_n 65

3.3.2 Nominal Strength from the Fracture of Effective Net Area 66

3.3.3 Block Shear Failure 71

3.4 Slenderness Requirement (Stiffness Criteria) 76

3.5 Summary of Design Strength Requirement of Tensile Members 76

3.6 Problems 97

Bibliography 102

4 Design of Columns 103

4.1 Introduction 103

4.1.1 Brief Summary of Column Theory 107

4.2 Column Behavior 109

4.2.1 Global Buckling 111

4.2.2 Local Buckling 118

4.2.3 Effect of Imperfections 119

4.2.4 Effective Length 123

4.2.5 Concluding Remarks 128

4.3 AISC Design Requirements 129

4.3.1 General Remarks 129

4.3.2 Compressive Strength of Nonslender Members 129

4.3.3 Compressive Strength of Slender Members 138

4.3.4 Compressive Strength of Built-up Members 143

4.4 Design Examples 148

4.5 Problems 163

Bibliography 167

5 Design of Beams 169

5.1 Introduction 169

5.2 Behavior of Laterally Supported Beams 172

5.2.1 Limit States (Failure Modes) in Pure Bending 176

5.2.2 Plastic Hinge Formation 180

5.2.3 Local Buckling 180

5.3 Lateral-Torsional Buckling 185

5.4 Shear Strength 195

5.4.1 Nominal Shear Strength (V_n) 196

5.5 Serviceability 199

5.6 Concentrated Forces 200

5.6.1 Flange Local Bending 201

5.6.2 Web Local Yielding 202

5.6.3 Web Local Crippling 204

5.6.4 Web Sidesway Buckling 206

5.6.5 Web Compression Buckling 208

5.6.6 Web Panel Zone Shear 209

5.7 Design of Bearing Stiffeners 211

5.8 Design Summary 213

5.9 Problems 236

Bibliography 241

6 Torsion 243

6.1 Introduction 243

6.2 Accidental Torsion vs. Expected Torsion 243

6.3 Fundamentals in Elastic Torsional Analysis of Steel Members 243

6.3.1 Pure (St. Venant) Torsion, T_s 245

6.3.2 Warping Torsion, T_w 247

6.3.3 Total Torsion, T 248

6.4 Stress Analysis and Design Considerations 253

6.4.1 Pure Torsional Stress: Shear Stress, τ_s 264

6.4.2 Warping Torsion Stresses-Shear Stress, τ_ws and Normal Stress, σ_ws 266

6.5 Behavior and Design 268

6.6 Problems 282

Bibliography 286

7 Beam-Columns 287

7.1 Introduction 287

7.2 Demand and Capacity Evaluation on Beam-Columns 287

7.2.1 Capacity Side 287

7.2.2 Demand Side (P-δ Effect) 287

7.2.3 Demand Side (P-Δ Effect) 289

7.3 Design for Stability 291

7.3.1 Direct Analysis Method 293

7.3.2 Moment Amplification Method 296

7.3.3 First-Order Analysis Method 296

7.4 Approximate Second-Order (Amplified First-Order) Analysis Method (Moment Amplification Method) 296

7.4.1 Moment Amplifiers, B₁ and B₂, and Required Design Moment 296

7.4.2 Beam-Column Members with No Joint Translation (nt)-Braced Frames 296

7.4.3 Beam-Column Members with Lateral Translation (lt): Unbraced Frames 298

7.5 Design of Members in Unbraced (Moment) Frames 300

7.6 Design for Combined Axial Force and Flexure (AISC 360, Section H) 303

7.7 Basic Steps in Beam-Column Design 304

7.8 Application of Design Tables in AISC Manual for Beam-Columns 322

7.8.1 Background of Design Tables 322

7.9 Problems 342

Bibliography 344

8 Introduction to Connections 345

8.1 Introduction 345

8.2 Overview of Common Connection Types in Framed Structures 345

8.3 General Failure Modes 347

8.4 Bolted Connections 348

8.4.1 General Remarks 348

8.4.2 Bolted Joint Types 351

8.4.3 Limit States 353

8.5 Welded Connections 357

8.5.1 General Remarks 367

8.5.2 Weld Types and Symbols 368

8.5.3 Strength of Welded Connections 370

8.6 Design Procedures for Common Beam-to-Column Connections 374

8.6.1 Bolted Flange Plate Connections 375

8.6.2 All-Bolted Double-Angle Connection 390

8.7 Problems 393

Bibliography 397

9 Plate Girders 399

9.1 Introduction 399

9.2 Behavior and Design of Web under Shear 401

9.3 Tension Field Action (Postbuckling Stage) 405

9.4 Behavior and Design of Web under Bending Moment 410

9.4.1 General Discussions 410

9.4.2 Limit States Related to the Flange 413

9.4.3 Limit States Related to the Web 414

9.4.4 Limit State of Lateral-Torsional Buckling (LTB) 416

9.5 Intermediate Transverse Stiffeners (ITS) 417

9.6 Bearing Stiffeners (BS) 420

9.7 Design of Bearing Stiffeners 422

9.8 Summary for Design of Plate Girders 422

9.9 Problems 446

Bibliography 447

Appendix Additional Seismic Design Considerations 449

Index 459