Steel design

772 Pages·2013·8.505 MB·English

by  William T Segui

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Steel Design
Fifth Edition
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Steel Design
Fifth Edition
William T. Segui
The University of Memphis
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Steel Design, Fifth Edition © 2013, 2007Cengage Learning
William T. Segui
ALL RIGHTS RESERVED. No part of this work covered by the copyright
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About the Author
William T. Segui is a Professor Emeritus of Civil Engineering at The University of
Memphis, where he has been a member of the faculty since 1968. He holds a B.S.C.E,
M.S., and Ph.D. from the University of South Carolina. After obtaining his B.S.C.E.,
he served as a commissioned officer in the U.S. Air Force from 1960-1963. In 1963,
he joined Wilbur Smith Associates, where he was a highway bridge designer. In
1964, he enrolled in graduate school and was the recipient of an NSF Graduate
Traineeship.
Since joining the Department of Civil Engineering at The University of
Memphis, he has received two NASA/ASEE Summer Faculty Fellowships at the
Marshall Space Flight Center in Huntsville, Alabama. He has worked several
summers for various consulting firms and for the U.S. Army Corps of Engineers. He
was a recipient of the University of Memphis Distinguished Teaching Award in 2000.
Professor Segui is a member of the American Institute of Steel Construction and
is a member of the Committee on Manuals. He received the 2011 AISC Special
Achievement Award for his contributions to steel design education. He is a Life
Member of the American Society of Civil Engineers and a member of the Tennessee
Structural Engineers Association. He is a licensed professional engineer in Tennessee.
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Contents
About the Author v 3
Tension Members 41
Preface xi
1 3.1 Introduction 41
Introduction 3
3.2 Tensile Strength 42
3.3 Effective Area 50
1.1 Structural Design 3
3.4 Staggered Fasteners 57
1.2 Loads 6
3.5 Block Shear 64
1.3 Building Codes 7
3.6 Design of Tension Members 67
1.4 Design Specifications 7
3.7 Threaded Rods and Cables 76
1.5 Structural Steel 8
3.8 Tension Members in Roof Trusses 79
1.6 Standard Cross-Sectional Shapes 12
3.9 Pin-Connected Members 88
Problems 17
Problems 90
2
Concepts in Structural
4
Compression Members 109
Steel Design 21
4.1 Introduction 109
2.1 Design Philosophies 21
4.2 Column Theory 110
2.2 American Institute of Steel Construction
4.3 AISC Requirements 117
Specification 23
4.4 Local Stability 121
2.3 Load Factors, Resistance Factors, and Load
4.5 Tables for Compression
Combinations for LRFD 24
2.4 Safety Factors and Load Combinations Members 130
for ASD 26 4.6 Design 132
2.5 Probabilistic Basis of Load and Resistance 4.7 More on Effective Length 138
Factors 30 4.8 Torsional and Flexural-Torsional
2.6 Steel Construction Manual 34 Buckling 155
2.7 Design Computations and Precision 36 4.9 Built-Up Members 162
Problems 38 Problems 171
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viii Contents
5 7.3 Bearing Strength, Spacing, and Edge-Distance
Beams 189
Requirements 382
7.4 Shear Strength 388
5.1 Introduction 189
7.5 Installation of High-Strength Bolts 394
5.2 Bending Stress and the Plastic
7.6 Slip-Critical and Bearing-Type
Moment 190
Connections 396
5.3 Stability 196
7.7 Design Examples 402
5.4 Classification of Shapes 198
7.8 High-Strength Bolts in Tension 416
5.5 Bending Strength of Compact Shapes 199
7.9 Combined Shear and Tension in Fasteners 428
5.6 Bending Strength of Noncompact
7.10 Welded Connections 441
Shapes 211
7.11 Fillet Welds 443
5.7 Summary of Moment Strength 215
Problems 461
5.8 Shear Strength 216
5.9 Deflection 224
8
5.10 Design 226 Eccentric Connections 477
5.11 Floor and Roof Framing Systems 239
5.12 Holes in Beams 245
8.1 Examples of Eccentric Connections 477
5.13 Open-Web Steel Joists 248
8.2 Eccentric Bolted Connections: Shear Only 478
5.14 Beam Bearing Plates and Column
8.3 Eccentric Bolted Connections: Shear Plus
Base Plates 251
Tension 491
5.15 Biaxial Bending 265
8.4 Eccentric Welded Connections: Shear
5.16 Bending Strength of Various
Only 496
Shapes 276
8.5 Eccentric Welded Connections: Shear Plus
Problems 281
Tension 511
8.6 Moment-Resisting Connections 519
6
Beam–Columns 299 8.7 Column Stiffeners and Other
Reinforcement 536
6.1 Definition 299 8.8 End Plate Connections 558
6.2 Interaction Formulas 300 8.9 Concluding Remarks 572
6.3 Methods of Analysis for Required Problems 572
Strength 305
6.4 The Moment Amplification Method 307 9
Composite Construction 593
6.5 Braced versus Unbraced Frames 310
6.6 Members in Braced Frames 311
9.1 Introduction 593
6.7 Members in Unbraced Frames 327
9.2 Shored versus Unshored Construction 604
6.8 Design of Beam–Columns 339
9.3 Effective Flange Width 606
6.9 Trusses with Top-Chord Loads Between
9.4 Steel Headed Stud Anchors 610
Joints 358
9.5 Design 613
Problems 363
9.6 Deflections 620
9.7 Composite Beams with Formed Steel Deck 624
7
Simple Connections 377 9.8 Tables for Composite Beam Analysis and
Design 636
7.1 Introduction 377 9.9 Continuous Beams 644
7.2 Bolted Shear Connections: Failure 9.10 Composite Columns 645
Modes 380 Problems 655