1 Introduction
1-1 Mechanics Overview
1-2 Applications of Statics
1-3 The Mathematics of Statics
1-4 Calculations and Numerical Accuracy
1-5 SI Units for Statics and Strength of Materials
Summary
Problems
2. Principles of Statics
2-1 Forces and the Effects of Forces
2-2 Characteristics of a Force
2-3 Units of a Force
2-4 Types and Occurrence of Forces
2-5 Scalar and Vector Quantities
2-6 The Principle of Transmissibility
2-7 Types of Force Systems
2-8 Orthogonal Concurrent Forces: Resultants and Components
Summary
Problems
3. Resultants of Coplanar Force Systems
3-1 Resultant of Two Concurrent Forces
3-2 Resultant of Three of More Concurrent Forces
3-3 Moment of a Force
3-4 The Principle of Moments: Varignon’s Theorem
3-5 Resultants of Parallel Force Systems
3-6 Couples
3-7 Resultants of Nonconcurrent Force Systems
Summary
Problems
4. Equilibrium of Coplanar Force Systems
4-1 Introduction
4-2 Conditions of Equilibrium
4-3 The Free-Body Diagram
4-4 Equilibrium of Concurrent Force Systems
4-5 Equilibrium of Parallel Force Systems
4-6 Equilibrium of Nonconcurrent Force Systems
Summary
Problems
5. Analysis of Structures
5-1 Introduction
5-2 Trusses
5-3 Forces in Members of Trusses
5-4 The Method of Joints
5-5 The Method of Sections
5-6 Analysis of Frames
Summary
Problems
6. Friction
6-1 Introduction
6-2 Friction Theory
6-3 Angle of Friction
6-4 Friction Applications
6-5 Wedges
6-6 Belt Friction
6-7 Square-Threaded Screws
Summary
Problems
7. Centroids and Centers of Gravity
7-1 Introduction
7-2 Center of Gravity
7-3 Centroids and Centroidal Axes
7-4 Centroids and Centroidal Axes of Composite Areas
Summary
Problems
8. Area Moments of Inertia
8-1 Introduction and Definitions
8-2 Moment of Inertia
8-3 The Transfer Formula
8-4 Moment of Inertia of Composite Areas
8-5 Radius of Gyration
8-6 Polar Moments of Inertia
Summary
Problems
9. Stresses and Strains
9-1 Introduction
9-2 Tensile and Compressive Stresses
9-3 Shear Stresses
9-4 Tensile and Compressive Strain and Deformation
9-5 Shear Strain
9-6 The Relation between Stress and Strain (Hooke’s Law)
Summary
Problems
10. Properties of Materials
10-1 The Tension Test
10-2 The Stress-Strain Diagram
10-3 Mechanical Properties of Materials
10-4 Engineering Materials: Metals
10-5 Engineering Materials: Nonmetals
10-6 Allowable Stresses and Calculated Stresses
10-7 Factor of Safety
10-8 Elastic-Inelastic Behavior
Summary
Problems
11. Stress Considerations
11-1 Poisson’s Ratio
11-2 Thermal Effects
11-3 Members Composed of Two or more Elements
11-4 Stress Concentration
11-5 Stresses on Inclined Planes
11-6 Shear Stresses on Mutually Perpendicular Planes
11-7 Tension and Compression Caused By Shear
Summary
Problems
12. Torsion in Circular Sections
12-1 Introduction
12-2 Members in Torsion
12-3 Torsional Shear Stress
12-4 Angle of Twist
12-5 Transmission of Power by a Shaft
Summary
Problems
13. Shear and Bending Moment in Beams
13-1 Types of Beams and Supports
13-2 Types of Loads on Beams
13-3 Beam Reactions
13-4 Shear Force and Bending Moment
13-5 Shear Diagrams
13-6 Moment Diagrams
13-7 Sections of Maximum Moment
13-8 Moving Loads
Summary
Problems
14. Stresses in Beams
14-1 Tensile and Compressive Stresses Due to Bending
14-2 The Flexure Formula
14-3 Computation of Bending Stresses
14-4 Shear Stresses
14-5 The General Shear Formula
14-6 Shear Stresses in Structural Members
14-7 Beam Analysis
14-8 Inelastic Bending of Beams
Summary
Problems
15. Deflection of Beams
15-1 Reasons for Calculating Beam Deflection
15-2 Curvature and Bending Moment
15-3 Methods of Calculating Deflections
15-4 The Formula Method
15-5 The Moment-Area Method
15-6 Moment Diagram By Parts
15-7 Applications of the Moment-Area Method
Summary
Problems
16. Design of Beams
16-1 The Design Process
16-2 Design of Steel Beams
16-3 Design of Timber Beams
Summary
Problems
17. Combined Stresses
17-1 Introduction
17-2 Biaxial Bending
17-3 Combined Axial and Bending Stresses
17-4 Eccentrically Loaded Members
17-5 Maximum Eccentricity for Zero Tensile Stress
17-6 Eccentric Load Not on Centroidal Axis
17-7 Combined Normal and Shear Stress
17-8 Mohr’s Circle
17-9 Mohr’s Circle: The General State of Stress
Summary
Problems
18. Columns
18-1 Introduction
18-2 Ideal Columns
18-3 Effective Length
18-4 Real Columns
18-5 Allowable Stresses for Columns
18-6 Axially-Loaded Structural Steel Columns (AISC)
18-7 Axially-Loaded Steel Machine Parts
18-8 Axially-Loaded Timber Columns
Summary
Problems
19. Connections
19-1 Introduction
19-2 Bolts and Bolted Connections (AISC)
19-3 Modes of Failure of a Bolted Connection
19-4 High-Strength Bolted Connections
19-5 Introduction to Welding
19-6 Strength and Behavior of Welded Connections (AISC)
Summary
Problems
20. Pressure Vessels
20-1 Introduction
20-2 Stresses in Thin-Walled Pressure Vessels
20-3 Joints in Thin-Walled Pressure Vessels
20-4 Design and Fabrication Considerations
Summary
Problems
21. Statically Indeterminate Beams
21-1 Introduction
21-2 Restrained Beams
21-3 Propped Cantilever Beams
21-4 Fixed Beams
21-5 Continuous Beams: Superposition
21-6 The Theorem of Three Moments
Summary
Problems
Appendices
Notation
Answers to Selected Problems
Index