Structural Steel Design

ContentsPreface iiiCHAPTER 1 Introduction to Structural Steel Design 11.1 Advantages of Steel as a Structural Material 11.2 Disadvantages of Steel as a Structural Material 31.3 Early Uses of Iron and Steel 41.4 Steel Sections 71.5 Metric Units 121.6 Cold-Formed Light-Gage Steel Shapes 121.7 Stress—Strain Relationships in Structural Steel 131.8 Modern Structural Steels 191.9 Uses of High-Strength Steels 221.10 Measurement of Toughness 241.11 Jumbo Sections 261.12 Lamellar Tearing 261.13 Furnishing of Structural Steel 271.14 The Work of the Structural Designer 301.15 Responsibilities of the Structural Designer 311.16 Economical Design of Steel Members 311.17 Failure of Structures 341.18 Handling and Shipping Structural Steel 371.19 Calculation Accuracy 371.20 Computers and Structural Steel Design 371.21 Problems for Solution 38CHAPTER 2 Specifications, Loads, and Methods of Design 392.1 Specifications and Building Codes 392.2 Loads 412.3 Dead Loads 412.4 Live Loads 422.5 Environmental Loads 452.6 Load and Resistance Factor Design (LRFD) and Allowable Strength Design (ASD) 512.7 Nominal Strengths 522.8 Shading 522.9 Computation of Loads for LRFD and ASD 522.10 Computing Combined Loads with LRFD Expressions 532.11 Computing Combined Loads with ASD Expressions 572.12 Two Methods of Obtaining an Acceptable Level of Safety 582.13 Discussion of Sizes of Load Factors and Safety Factors 592.14 Author’s Comment 602.15 Problems for Solution 60CHAPTER 3 Analysis of Tension Members 623.1 Introduction 623.2 Nominal Strengths of Tension Members 653.3 Net Areas 673.4 Effect of Staggered Holes 693.5 Effective Net Areas 743.6 Connecting Elements for Tension Members 843.7 Block Shear 853.8 Problems for Solution 94CHAPTER 4 Design of Tension Members 1034.1 Selection of Sections 1034.2 Built-Up Tension Members 1114.3 Rods and Bars 1154.4 Pin-Connected Members 1204.5 Design for Fatigue Loads 1224.6 Problems for Solution 125CHAPTER 5 Introduction to Axially Loaded Compression Members 1295.1 General 1295.2 Residual Stresses 1325.3 Sections Used for Columns 1335.4 Development of Column Formulas 1375.5 The Euler Formula 1395.6 End Restraint and Effective Lengths of Columns 1415.7 Stiffened and Unstiffened Elements 1445.8 Long, Short, and Intermediate Columns 1455.9 Column Formulas 1485.10 Maximum Slenderness Ratios 150CHAPTER 6 Design of Axially Loaded Compression Members 1636.1 Introduction 1636.2 AISC Design Tables 1666.3 Column Splices 1716.4 Built-Up Columns 1746.5 Built-Up Columns with Componentsin Contact with Each Other 1756.6 Connection Requirements for Built-Up Columns Whose Components Are in Contact with Each Other 1766.7 Built-Up Columns with Components not in Contact with Each Other 1826.8 Single-Angle Compression Members 1876.9 Sections Containing Slender Elements 1896.10 Flexural-Torsional Buckling of Compression Members 1916.11 Problems for Solution 196CHAPTER 7 Design of Axially Loaded Compression Members (Continued) and Column Base Plates 2007.1 Introduction 2007.2 Further Discussion of Effective Lengths 2017.3 Frames Meeting Alignment Chart Assumptions 2057.4 Frames Not Meeting Alignment Chart Assumptions as to Joint Rotations 2087.5 Stiffness-Reduction Factors 2117.6 Columns Leaning on Each Other for In-Plane Design 2157.7 Base Plates for Concentrically Loaded Columns 2187.8 Problems for Solution 232CHAPTER 8 Introduction to Beams 2378.1 Types of Beams 2378.2 Sections Used as Beams 2378.3 Bending Stresses 2388.4 Plastic Hinges 2398.5 Elastic Design 2408.6 The Plastic Mo