Structural Steel Design ASD Method Book

1. Introduction to Structural Steel Design.

Advantages of Steel as a Structural Material. Disadvantages of Steel as a Structural Material. Early Uses of Iron and Steel. Steel Sections. Cold Formed Lightgage Steel Shapes. Stress Strain Relationships in Structural Steel. Modern Structural Steels. Uses of High Strength Steel.Measurement of Toughness. Jumbo Sections. Lamellar Tearing. Furnishing of Structural Steel. The Structural Designer.Objectives of the Structural Designer. Economical Design of Steel Members. Calculation Accuracy .

2. Specifications, Loads and Methods of Design.

Specifications and Building Codes. Loads. Dead Loads. Live Loads. Selection of Design Loads. Elastic and Plastic Design Methods Defined. Load and Resistance Factor Design. Factor of Safety. Failures of Engineering Structures.

3. Analysis of Tension Members.

Introduction. Allowable Tensile Stresses and Loads. Net Areas. Effect of Staggered Holes. Effective Net Areas. Connecting Elements for Tension Members. Block Shear .

4. Design of Tension Members.

Selection of Sections. Built-up Tension Members. Rods and Bars. Pin Connected Members. Design for Fatigue Loads.

5. Introduction to Axially Loaded Compression Members.

General. Residual Stresses. Sections Used for Columns. Development of Column Formulas. Derivation of the Euler Formula. Obsolete Column Formulas. Long, Short and Intermediate Columns. The ASD and AASHTO Formulas. End Restraint and Effective Length of Columns. Maximum Slenderness Ratios. Example Problems.

6. Design of Axially Loaded Compression Members.

Introduction. Column Design Tables. Column Splices. Columns with Different Unbraced Length. Built-up Columns. Lacing and Tie Plates. Stiffened and Un-stiffened Elements. Base Plates for Axially Loaded Columns.

7. Design of Axially Loaded Columns Continued.

Further Discussion of Effective Length. Stiffness Reduction Factors. Columns Leaning on Each Other for In Plane Design. Introductory Remarks Concerning Flexural Torsional Buckling of. Compression Members.

8. Introduction to Beams.

Types of Beams. Sections Used as Beams. Bending Stresses. Design with the Flexure Formula. Compact Sections. Holes in Beams. Lateral Support of Beams. Laterally Unbraced Beams. Design of Laterally Unbraced Beams. Design of Laterally Unbraced Beams. Design of Continuous Members.

9. Design of Beams (Continued).

Shear Deflections. Webs and Flanges with Concentrated Loads. Unsymmetrical Bending. Design of Purlins. The Shear Center. Beam Bearing Plates.

10. Bending and Axial Stress.

Occurrence. Calculation of Stresses. Specifications for Combined Stresses. Design for Axial Tension and Bending. Moment Amplification and Modification. ASD Equations. Design of Beam Columns. Pipe Columns and Structural Tubes. Limitations of ASD Tables. Combined Axial Tension and Bending.

11. Bolted Connections.

Introduction. Types of Bolts. History of High-Strength Bolts. Advantages of High-Strength Bolts. Snug Tight and Fully-Tensioned Bolts. Methods for Fully-Tensioning High-Strength Bolts. Slip Resistant Connections and Bearing Type Connections. Mixed Joints. Sizes of Holes for Bolts and Rivets. Load Transfer and Types of Joints. Failure of Bolted Joints. Spacing and Edge Distances of Bolts. Bearing Type Connections: Loads Passing Through Center of Gravity of Connections. Slip Critical Connections: Loads Passing Through Center of Gravity of Connections.

12. Bolted Connections Continued and Historical Notes on Rivets.

Bolts Subjected to Eccentric Shear. Bolts Subjected to Shear and Tension. Tension Loads on Bolted Joints. Prying Action. Historical Notes on Rivets. Types of Rivets. Allowable Strength of Riveted Connections: Rivets in Shear .

13. Welded Connections.

General. Advantages of Welding. Types of Welding. Welding Inspection. Classification of Welds. Welding Symbols. Groove Welds. Fillet Welds. Allowable Strength of Welds. ASD Requirements. Design of Simple Fillet Welds. Design of Fillet Welds for Truss Members. Shear and Torsion. Shear and Bending. Design of Moment Resisting Connections.

14. Building Connections Selection of Fastener Type.

Types of Beam Connections. Standard Bolted Beam Connections. ASD Standard Connection Tables. Designs of Standard Bolted Framed Connections. Design of Standard Welded Framed Connections. Single Plate Shear Connections. End Plate Shear Connections. Designs of Welded Seated Beam Connections. Stiffened Seated Beam Connections. Column Web Stiffeners.

15. Design of Steel Buildings.

Introduction to Low Rise Buildings. Types of Steel Frames Used for Buildings. Common Types of Floor Construction. Concrete Slabs on Open Web Steel Joists. One Way and Two Way Reinforced Concrete Slabs. Composite Floors. Concrete Pan Floors. Steel Decking Floors. Flat Slabs. Precast Concrete Floors. Types of Roof Construction. Exterior Walls and Interior Partitions. Fireproofing of Structural Steel. Introduction to High Rise Buildings. Discussion of Lateral Forces. Types of Lateral Bracing. Analysis of Buildings with Diagonal Wind Bracing for Lateral Forces. Moment Resisting Joints. Analysis of Building with Moment Resisting Joints for Lateral Loads. Analysis of Buildings for Gravity Loads. Design of Members.

16. Composite Construction.

Introduction. Advantages of Composite Construction. Discussion of Shoring. Effective Flange Widths. Stress Calculations for Non-encased Composite Sections. Composite Section Properties from ASD Manual. Shear Transfer. Continuous Spans. Deflections. Proportioning Composite Sections. Partially Composite Beams. Composite Beams with Formed Steel Deck. Encased Sections.

17. Cover Plated Beams, Built-up Wide Flange Sections, and Plate Girders.

Introduction. Cover Plated Beams. Built-up Wide Flange Sections. Introduction to Plate Girders. Major Items to be Considered in Plate Girder Design. Proportions of Plate Girders. Stiffeners. Flexure Shear Interaction. Example Plate Girder Design.

18. Plastic Analysis.

Introduction. Theory of Plastic Analysis. The Plastic Hinge. The Plastic Modulus. Factors of Safety and Load Factors. The Collapse Mechanism. The Virtual Work Method. Location of Plastic Hinge for Uniform Loadings.

19. Plastic Analysis and Design.

Introduction to Plastic Design. ASD Requirements for Plastic Design. Continuous Beams. Plastic Analysis of Frames.

20. Tension Members: LRFD.

General. Load and Resistance Factor Design. Load Factors. Resistance Factors. Reliability and the LRFD Specification. Advantages of LRFD. Design Strength of Tension Members. Design of Tension Members. Block Shear .

21. Compression Members: LRFD.

Long, Short, and Intermediate Columns. Column Formulas. Maximum Slenderness Ratios. Example Problems. Design of Axially Loaded Columns. LRFD Design Tables. Built-up Members with Components in Contact with Each Other. Connection Requirements for Built-up Columns whose Components. are in Contact with Each Other. Flexural Torsional Buckling of Compression Members.

22. Design of Beams: LRFD.

Introduction. Plastic Buckling, Zone 1. Design of Beams, Zone 1. Introduction to Inelastic Buckling, Zone 2. Moment Capacities, Zone 2. Elastic Buckling, Zone 3. Analysis of Building with Moment Resisting Joints for Lateral Loads. Non-compact Sections. Design of Continuous Beams. Shear Deflections. Webs and Flanges with Concentrated Loads. Unsymmetrical Bending.

23. Connections: LRFD.

Introduction. High Strength Bolts in Bearing Type Connections: Loads Passing. Through Center of Gravity of Connections. High Strength Bolts in Slip Critical Connections: Loads Passing Through Center of Gravity of Connections. Bolts Subjected to Eccentric Shear. Bolts Subjected to Shear and Tension. Allowable Strength to Riveted Connections: Rivets in Shear. LRFD Requirements for Welds. Design of Simple Fillet Welds. Design of Fillet Welds for Truss Members. Shear and Torsion.

Appendix A1: Slender Compression Elements.

Appendix A2: Flexural Torsional Buckling of Compression Members: ASD Specification.

Appendix A3: Flexural Torsional Buckling of Compression Members: LRFD Specification.

Appendix A4: Ponding.